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Dr. Ferdinando Salata
DIAEE - University of Rome “Sapienza”

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0 Acoustics
0 Energy
0 Heat Transfer
0 Lighting
0 Thermal Comfort

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Journal article
Published: 08 May 2021 in Applied Acoustics
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Noise limits for aeronautical traffic near airport infrastructure refer to energy contributions of sound and flight distribution among runways essentially depends on weather conditions. Therefore, the acoustic impact of air traffic on the surrounding area can be predicted in real time as a function of the runways use thanks to dynamic control. The problem can be solved thanks to the development of a predictive calculation model (based on machine learning and, specifically, neural networks) implemented from historical data obtained from monitoring systems and correlated with the monitored acoustic parameters. This approach borrows from other sectors new possibilities for optimizing and managing airport traffic in order to contain the noise generated by aircraft in transit, a possibility that until a few years ago was unexplored in these terms. As a first approach, an IT tool has been created for the identification in real time of a configuration of the runways use that guarantees the maximum airport operation and noise levels within the regulations. In this preliminary phase, the number of variables analyzed and the historical database used for learning the neural network are limited and an approximation of less than 1.3 dB is established with respect to the data recorded at the noise control units.

ACS Style

Ferdinando Salata; Serena Falasca; Olga Palusci; Virgilio Ciancio; Anna Tarsitano; Vincenzo Battistini; Andrea Venditti; Lorenzo Cavina; Massimo Coppi. A first approach to the optimization of landing and take-off operations through intelligent algorithms for compliance with the acoustic standards in multi-runway airports. Applied Acoustics 2021, 181, 108138 .

AMA Style

Ferdinando Salata, Serena Falasca, Olga Palusci, Virgilio Ciancio, Anna Tarsitano, Vincenzo Battistini, Andrea Venditti, Lorenzo Cavina, Massimo Coppi. A first approach to the optimization of landing and take-off operations through intelligent algorithms for compliance with the acoustic standards in multi-runway airports. Applied Acoustics. 2021; 181 ():108138.

Chicago/Turabian Style

Ferdinando Salata; Serena Falasca; Olga Palusci; Virgilio Ciancio; Anna Tarsitano; Vincenzo Battistini; Andrea Venditti; Lorenzo Cavina; Massimo Coppi. 2021. "A first approach to the optimization of landing and take-off operations through intelligent algorithms for compliance with the acoustic standards in multi-runway airports." Applied Acoustics 181, no. : 108138.

Journal article
Published: 24 December 2020 in Sustainability
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The importance of accurate lighting has been proven to be essential for good performance in all kinds of buildings, where most of the professional activities are carried out. National regulations and international standards dealing with indoor lighting establish the technical requirements of lighting installations to ensure the performance of their users. These requirements deal with illuminance on the working plane, uniformity, glare, color temperature of light and some other parameters. However, regulations and technical documents on indoor lighting are mainly referred to standard conditions that are sometimes far away from the reality. Hence, some installations can fulfill the technical requirements, whilst being uncomfortable for task development, impairing user’s performance and are oversized in terms of energy consumption. This work departs from a field study in highlighting the regulatory limitations in the matter of reflectance, to propose a quasi-Lambertian approach to real conditions in indoor workplaces with a special aim in educative environments. It consists of the introduction of “effective reflectance” coefficients for some key visual tasks and furniture carried out by users in certain typical positions and working planes. Based on this coefficient, it is proposed to implement a simple measurement and luminary programming methodology adapted to each particular workplace, especially in educational centers. The final target is to improve visual performance and save energy.

ACS Style

Antonio Peña-García; Ferdinando Salata. Indoor Lighting Customization Based on Effective Reflectance Coefficients: A Methodology to Optimize Visual Performance and Decrease Consumption in Educative Workplaces. Sustainability 2020, 13, 119 .

AMA Style

Antonio Peña-García, Ferdinando Salata. Indoor Lighting Customization Based on Effective Reflectance Coefficients: A Methodology to Optimize Visual Performance and Decrease Consumption in Educative Workplaces. Sustainability. 2020; 13 (1):119.

Chicago/Turabian Style

Antonio Peña-García; Ferdinando Salata. 2020. "Indoor Lighting Customization Based on Effective Reflectance Coefficients: A Methodology to Optimize Visual Performance and Decrease Consumption in Educative Workplaces." Sustainability 13, no. 1: 119.

Journal article
Published: 05 November 2020 in JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT
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The construction industry is considered one of the highest risk production sectors, even more so in developing countries such as Guatemala. A characterization has been carried out on the perception of Guatemalan construction company managers regarding, the risk of accidents exist for the different activities they perform. The characterization has been carried out on a representative sample of the business population via a questionnaire. A preliminary data analysis was performed followed by a Descriptive and a Multiple Correspondence Analysis. Companies are characterized as “mediumsize” companies, with an average of 81.1 construction workers per year and average annual turnover of 1.29 million euros. 4 clusters of construction activities occur with similar accident weightings. Companies in Cluster 1 are associated to the variables grouped with a Low risk weighting, with a medium to high number of on-site workers and with a turnover of more than 100,000 euros. In contrast, those in Cluster 2 are associated with the variables grouped as having a Medium risk weighting, with a low number of on-site workers and a turnover of less than 100,000 euros. The companies in Cluster 3 are only associated with High risk weighted. And those of Cluster 4 with Not applicable risk-weighting variables.

ACS Style

Francisco Arturo Hernández-Arriaza; José Pérez-Alonso; Marta Gómez-Galán; Ferdinando Salata; Ángel Jesús Callejón-Ferre. THE GUATEMALAN CONSTRUCTION CHARACTERIZATON OF THE PERCEIVED RISK BY MANAGERS OF SUFFERING WORK ACCIDENTS. JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 2020, 26, 705 -716.

AMA Style

Francisco Arturo Hernández-Arriaza, José Pérez-Alonso, Marta Gómez-Galán, Ferdinando Salata, Ángel Jesús Callejón-Ferre. THE GUATEMALAN CONSTRUCTION CHARACTERIZATON OF THE PERCEIVED RISK BY MANAGERS OF SUFFERING WORK ACCIDENTS. JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT. 2020; 26 (8):705-716.

Chicago/Turabian Style

Francisco Arturo Hernández-Arriaza; José Pérez-Alonso; Marta Gómez-Galán; Ferdinando Salata; Ángel Jesús Callejón-Ferre. 2020. "THE GUATEMALAN CONSTRUCTION CHARACTERIZATON OF THE PERCEIVED RISK BY MANAGERS OF SUFFERING WORK ACCIDENTS." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 26, no. 8: 705-716.

Journal article
Published: 21 October 2020 in Environmental Research
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According to the European Environment Agency, the year 2015 was the warmest on record to that point, with a series of heat waves from May to September resulted in high levels of tropospheric ozone. The implications of such a year on the human well-being and health are therefore of multiple nature and can be quantified referring to the exceedances of the corresponding thresholds. This work focused on the analysis of the May–September period of 2015 in the city of Milan (Italy) in terms of Mediterranean Outdoor Comfort Index (MOCI) and ozone concentrations, recorded by monitoring stations and modeled through the Weather Research and Forecasting model. Main findings show that thermo-hygrometric stress events (periods of at least six consecutive days characterized by daily maximum values of the MOCI higher than 0.5) are characterized by daily ozone higher than the guideline level of the World Health Organization (equal to 100 μgm−3). This means that thermo-hygrometric stress conditions are added up to poor air quality conditions, with severe risks for human health. Moreover, a daily MOCI-daily ozone correlation coefficient equal to 0.6 was found for the whole period. The degree of correspondence between ozone events (defined according to the European Air Quality Directive) and MOCI events was also investigated pointing out that 86% and 95% of days during ozone events are correctly predicted by events of recorded and modeled MOCI respectively, with a corresponding false alarm rate of 3% and 9%.

ACS Style

Serena Falasca; Gabriele Curci; Ferdinando Salata. On the association between high outdoor thermo-hygrometric comfort index and severe ground-level ozone: A first investigation. Environmental Research 2020, 195, 110306 .

AMA Style

Serena Falasca, Gabriele Curci, Ferdinando Salata. On the association between high outdoor thermo-hygrometric comfort index and severe ground-level ozone: A first investigation. Environmental Research. 2020; 195 ():110306.

Chicago/Turabian Style

Serena Falasca; Gabriele Curci; Ferdinando Salata. 2020. "On the association between high outdoor thermo-hygrometric comfort index and severe ground-level ozone: A first investigation." Environmental Research 195, no. : 110306.

Journal article
Published: 18 June 2020 in Science of The Total Environment
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This study presents an analysis of the thermo-hygrometric conditions in the city of Konya (Turkey). A one-year transversal field survey was carried out in the Selçuk University campus and 2295 valid questionnaires were collected. In each questionnaire, randomly selected interviewees provided personal information and judged their perception and thermal preference according to the ASHRAE 7-point and McIntyre scales, respectively. For each interviewee, a value of the Physiological Equivalent Temperature (PET) was calculated based on the values of operational variables obtained from the questionnaires and the environmental variables measured during the survey. This allowed to calculate the seasonal preferred and neutral PETs and the annual PET comfort range. Also, the scale of the PET thermal perception was determined for the Konya population and, more generally, for the inhabitants of the BSk Köppen-Geiger climate zone. Statistical analyzes carried out in terms of Variance Inflationary Factor, multicollinearity assessment and Best Subsets Analysis led to the identification of the Turkish Outdoor Comfort Index, an empirical index able to predict the average value of the thermal perception of a large group of individuals living in the aforementioned climate zone. Moreover, the equations of the Predicted Percentage of Dissatisfied (PPD) were obtained for each season.

ACS Style

Fatih Canan; Iacopo Golasi; Serena Falasca; Ferdinando Salata. Outdoor thermal perception and comfort conditions in the Köppen-Geiger climate category BSk. One-year field survey and measurement campaign in Konya, Turkey. Science of The Total Environment 2020, 738, 140295 .

AMA Style

Fatih Canan, Iacopo Golasi, Serena Falasca, Ferdinando Salata. Outdoor thermal perception and comfort conditions in the Köppen-Geiger climate category BSk. One-year field survey and measurement campaign in Konya, Turkey. Science of The Total Environment. 2020; 738 ():140295.

Chicago/Turabian Style

Fatih Canan; Iacopo Golasi; Serena Falasca; Ferdinando Salata. 2020. "Outdoor thermal perception and comfort conditions in the Köppen-Geiger climate category BSk. One-year field survey and measurement campaign in Konya, Turkey." Science of The Total Environment 738, no. : 140295.

Editorial
Published: 04 June 2020 in Processes
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Industry, construction and transport are the three sectors that traditionally lead to the highest energy requirements

ACS Style

Ferdinando Salata; Iacopo Golasi. Advances in Theoretical and Computational Energy Optimization Processes. Processes 2020, 8, 669 .

AMA Style

Ferdinando Salata, Iacopo Golasi. Advances in Theoretical and Computational Energy Optimization Processes. Processes. 2020; 8 (6):669.

Chicago/Turabian Style

Ferdinando Salata; Iacopo Golasi. 2020. "Advances in Theoretical and Computational Energy Optimization Processes." Processes 8, no. 6: 669.

Journal article
Published: 05 May 2020 in Sustainable Cities and Society
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Climate change is considered an important global threat, with a significant impact on the energy performance, since buildings will be subjected to higher average outdoor temperatures. This article explores the relative impact of global warming across the different regional climates of Europe comparing present and estimated future energy needs of a hypothetical residential house located in 19 cities characterized by different latitude and Köppen-Geiger class. Building performance simulations with EnergyPlus are performed in order to simulate the heating and cooling needs of the building and the associated CO2 emissions in the present and in the future. The progressive increase in average temperatures in 2050 and 2080 leads to a general decrease of thermal energy request for heating and to an increase in the demand for electricity for cooling especially in the southern Europe, where high carbon intensity coefficients cause large CO2 emissions. The resulting vicious circle can be interrupted by increasing the energy efficiency of buildings and properly converting thermoelectric power plants. Results also show that in the future the Mediterranean basin will suffer more than other European areas for phenomena linked to global warming.

ACS Style

Virgilio Ciancio; Ferdinando Salata; Serena Falasca; Gabriele Curci; Iacopo Golasi; Pieter de Wilde. Energy demands of buildings in the framework of climate change: An investigation across Europe. Sustainable Cities and Society 2020, 60, 102213 .

AMA Style

Virgilio Ciancio, Ferdinando Salata, Serena Falasca, Gabriele Curci, Iacopo Golasi, Pieter de Wilde. Energy demands of buildings in the framework of climate change: An investigation across Europe. Sustainable Cities and Society. 2020; 60 ():102213.

Chicago/Turabian Style

Virgilio Ciancio; Ferdinando Salata; Serena Falasca; Gabriele Curci; Iacopo Golasi; Pieter de Wilde. 2020. "Energy demands of buildings in the framework of climate change: An investigation across Europe." Sustainable Cities and Society 60, no. : 102213.

Journal article
Published: 01 April 2020 in Sustainability
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In the last decades, lighting has evolved from a branch of engineering ensuring safety and performance in indoor and outdoor installations, to a key discipline interacting with a wide spectrum of fields and having a deep impact on our daily lives. Although this evolution also applies to other areas of knowledge, the special features of lighting make its potential and also its limitations different. It is not the typical field where a well-established mathematical framework allows a departure from well-defined input and identifying clear effects and conclusions. The reason is that lighting is a field dealing with the interaction between a physical phenomenon and a physiological and psychological system, the human being. In addition to the complexity of its basis, the relationship between lighting and sustainability has become stronger in recent years. This relationship is bi-directional in some cases: on one hand, advanced societies require more and more complex lighting installations, which means high energy consumption, use of raw materials, financial costs, manufacturing and maintenance processes, waste and emissions to the atmosphere. On the other hand, good lighting has an impact on issues like productivity, well-being, happiness, disease avoidance, safety, and many other qualitative aspects whose direct or indirect impact on sustainability is remarkable. This work will analyze how lighting can give answers to questions related to sustainability, not only from the classic topics of energy consumption and waste management, but from a wider and global perspective. The results of these works are analyzed, and the basis of the new framework of total lighting, discussed.

ACS Style

Antonio Peña-García; Ferdinando Salata. The Perspective of Total Lighting as a Key Factor to Increase the Sustainability of Strategic Activities. Sustainability 2020, 12, 2751 .

AMA Style

Antonio Peña-García, Ferdinando Salata. The Perspective of Total Lighting as a Key Factor to Increase the Sustainability of Strategic Activities. Sustainability. 2020; 12 (7):2751.

Chicago/Turabian Style

Antonio Peña-García; Ferdinando Salata. 2020. "The Perspective of Total Lighting as a Key Factor to Increase the Sustainability of Strategic Activities." Sustainability 12, no. 7: 2751.

Journal article
Published: 13 March 2020 in Energy and Buildings
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Nowadays, as the role of energy retrofit on the existing building stock is recognized towards energy savings and emissions’ reductions, the actions to be undertaken towards this aim require complex decisions, in terms of the choice among active and passive strategies and among often conflicting objectives of the retrofit. Depending on the actor of the retrofit (e.g., private, public), the main objective could be minimizing the investment, minimizing the energy demand or cost, or minimizing emissions. To facilitate the selection of the optimal retrofit actions, here the application of active archive non-dominated sorting genetic algorithm (aNSGA-II) towards multi-objective optimization is illustrated. The results of the algorithm implementation are analyzed with respect to a residential building located in Rome, Italy. The genes (i.e., the implemented strategies) are described and the optimal solution in the R4 space is discussed, alongside with considerations about the solutions pertaining to the Pareto frontier. The applied method allowed to considerably lower the computational time and identifying the multi-objective optimal solution, which was able to reduce by 49.2% annual energy demand, by 48.8% annual energy costs, by 45.2% CO2 emissions while still maintaining almost 60% lower investment cost with respect to other criterion-optimal solutions.

ACS Style

Federica Rosso; Virgilio Ciancio; Jacopo Dell'Olmo; Ferdinando Salata. Multi-objective optimization of building retrofit in the Mediterranean climate by means of genetic algorithm application. Energy and Buildings 2020, 216, 109945 .

AMA Style

Federica Rosso, Virgilio Ciancio, Jacopo Dell'Olmo, Ferdinando Salata. Multi-objective optimization of building retrofit in the Mediterranean climate by means of genetic algorithm application. Energy and Buildings. 2020; 216 ():109945.

Chicago/Turabian Style

Federica Rosso; Virgilio Ciancio; Jacopo Dell'Olmo; Ferdinando Salata. 2020. "Multi-objective optimization of building retrofit in the Mediterranean climate by means of genetic algorithm application." Energy and Buildings 216, no. : 109945.

Journal article
Published: 09 December 2019 in Applied Energy
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The energy requalification of existing buildings entails the fulfillment of different, often conflicting, criteria, such as the reduction of the specific annual energy demand, the containment of the construction costs, the decrease in the annual energy operating cost and the reduction of climate-change gas emissions. Therefore, optimization methods based on the application of computational algorithms are essential to determine solutions that meet multi-objective criteria and so highly optimized to be on the Pareto frontier. In this work, a procedure for the optimization of existing buildings using genetic algorithms is presented. Building energy simulations conducted in the dynamic regime using EnergyPlus are coupled with an Active Archive Non-dominated Sorting Genetic Algorithm (aNSGA-II type). Using a residential building as a benchmark, this procedure is employed to evaluate the best retrofitting interventions for 19 European cities with different climates. The criteria taken into account in the optimization procedure are: the reduction in the annual specific energy demand, the decrease in the construction and installation costs, the reduction in the annual energy operating costs and the reduction in the greenhouse gas emissions. The results show the most advantageous energy retrofitting interventions fulfilling the criteria for the different geographical sites.

ACS Style

Ferdinando Salata; Virgilio Ciancio; Jacopo Dell'Olmo; Iacopo Golasi; Olga Palusci; Massimo Coppi. Effects of local conditions on the multi-variable and multi-objective energy optimization of residential buildings using genetic algorithms. Applied Energy 2019, 260, 114289 .

AMA Style

Ferdinando Salata, Virgilio Ciancio, Jacopo Dell'Olmo, Iacopo Golasi, Olga Palusci, Massimo Coppi. Effects of local conditions on the multi-variable and multi-objective energy optimization of residential buildings using genetic algorithms. Applied Energy. 2019; 260 ():114289.

Chicago/Turabian Style

Ferdinando Salata; Virgilio Ciancio; Jacopo Dell'Olmo; Iacopo Golasi; Olga Palusci; Massimo Coppi. 2019. "Effects of local conditions on the multi-variable and multi-objective energy optimization of residential buildings using genetic algorithms." Applied Energy 260, no. : 114289.

Journal article
Published: 01 December 2019 in Journal of Daylighting
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In this study, the conditions of visual comfort were assessed in an indoor environment intended for students. For this reason, a transversal field survey was carried out in two libraries, one at the Sapienza University of Rome (Italy) and another at the University of Granada (Spain). During the analysis, measurement of lighting engineering variables such as horizontal illuminance, corneal illuminance, and luminance was carried out at the same time. The randomly selected individuals were asked to compile the structured questionnaires voluntarily at both sites. The first part of the questionnaire covered personal information, such as gender, age, eye color, etc. While the latter part evaluated the perception and visual preference of interviewees. In particular, we analyzed the visual perception on the basis of a five-point scale (-2÷+2), where positive and negative values identified visual comfort and discomfort, respectively. Each point was related to both related measured values of the lighting project variables and values of the personal data derived from the questionnaires. The subsequent statistical analysis (carried out through parameters and methodologies such as evaluation of the Variance Inflation Factor, Multicollinearity and Best Subsets Analysis) allowed the development of a new empirical index that is easy to apply, i.e., the Predictive Visual Comfort Index (PVCI). Some of the independent variables included horizontal illuminance, corneal illuminance, and age. In the design phase, once the other variables had been set, it was useful to determine the necessity of corneal illuminance to ensure visual comfort. The influence of each variable on the index and visual comfort was also quantified. Header of solarlits.com

ACS Style

Ferdinando Salata; Iacopo Golasi; Antonio Peña-García; Virgilio Ciancio; Zahra Yousefi. A First Approach to a New Index on Indoor Lighting Comfort Based on Corneal Illuminance. Journal of Daylighting 2019, 6, 124 -130.

AMA Style

Ferdinando Salata, Iacopo Golasi, Antonio Peña-García, Virgilio Ciancio, Zahra Yousefi. A First Approach to a New Index on Indoor Lighting Comfort Based on Corneal Illuminance. Journal of Daylighting. 2019; 6 (2):124-130.

Chicago/Turabian Style

Ferdinando Salata; Iacopo Golasi; Antonio Peña-García; Virgilio Ciancio; Zahra Yousefi. 2019. "A First Approach to a New Index on Indoor Lighting Comfort Based on Corneal Illuminance." Journal of Daylighting 6, no. 2: 124-130.

Journal article
Published: 27 November 2019 in Energies
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Building energy need simulations are usually performed using input files that contain information about the averaged weather data based on historical patterns. Therefore, the simulations performed are not able to provide information about possible future scenarios due to climate change. In this work, future trends of building energy demands due to the climate change across Europe were studied by comparing three time steps (present, 2050, and -2080) in three different European cities, characterized by different Köppen-Geiger climatic classes. A residential building with modern architectural features was taken into consideration for the simulations. Future climate conditions were reached by applying the effects of climate changes to current hourly meteorological data though the climate change tool world weather file generator (CCWorldWeatherGen) tool, according to the guidelines established by the Intergovernmental Panel on Climate Change. In order to examine the resilience of the building, the simulations carried out were compared with respect to: peak power, median values of the power, and energy consumed by heating and cooling system. The observed trend shows a general reduction in the energy needs for heating (–46% for Aberdeen, –80% for Palermo, –36% for Prague in 2080 compared to the present) and increase (occurrence for Aberdeen) in cooling requirements. These results imply a revaluation of system size.

ACS Style

Virgilio Ciancio; Serena Falasca; Iacopo Golasi; Pieter De Wilde; Massimo Coppi; Livio De Santoli; Ferdinando Salata. Resilience of a Building to Future Climate Conditions in Three European Cities. Energies 2019, 12, 4506 .

AMA Style

Virgilio Ciancio, Serena Falasca, Iacopo Golasi, Pieter De Wilde, Massimo Coppi, Livio De Santoli, Ferdinando Salata. Resilience of a Building to Future Climate Conditions in Three European Cities. Energies. 2019; 12 (23):4506.

Chicago/Turabian Style

Virgilio Ciancio; Serena Falasca; Iacopo Golasi; Pieter De Wilde; Massimo Coppi; Livio De Santoli; Ferdinando Salata. 2019. "Resilience of a Building to Future Climate Conditions in Three European Cities." Energies 12, no. 23: 4506.

Journal article
Published: 02 July 2019 in Building and Environment
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Climatological data show that the frequency of Heat Waves (HWs) has increased since the 1950s and that it will continue to increase. These phenomena exasperate the urban heat island (UHI) phenomenon. In this study, we investigated the impact of a HW on the UHI in Milan (Italy); we also analyzed the effects of the application of high albedo materials on the vertical and horizontal urban built surfaces. We performed numerical experiments with the Weather Research and Forecasting model, whose output were used as input for the EnergyPlus software and the computation of the Mediterranean Outdoor Comfort Index (MOCI). Our results showed that the HW induces a maximum increase of about 4 °C in the temperature at 2 m height and that the use of high albedo materials covering all urban surfaces only partially counteracts this increase. The wind speed decreases due to the HW and the introduction of high albedo materials leads to its further decrease. The cooling energy consumption for a building located in the city doubles in the presence of HW and high albedo materials have a negligible positive effect when applied to the surrounding urban environment. The HW brings an increase up to about 0.7 of the MOCI and the use of high albedo materials further worsens thermal sensation. Therefore, this mitigation strategy leads to considerable benefits in terms of temperature and energy, while it determines a penalization of the well-being of the pedestrian. Its application requires a careful evaluation of benefits and side effects.

ACS Style

Serena Falasca; Virgilio Ciancio; Ferdinando Salata; Iacopo Golasi; Federica Rosso; Gabriele Curci. High albedo materials to counteract heat waves in cities: An assessment of meteorology, buildings energy needs and pedestrian thermal comfort. Building and Environment 2019, 163, 106242 .

AMA Style

Serena Falasca, Virgilio Ciancio, Ferdinando Salata, Iacopo Golasi, Federica Rosso, Gabriele Curci. High albedo materials to counteract heat waves in cities: An assessment of meteorology, buildings energy needs and pedestrian thermal comfort. Building and Environment. 2019; 163 ():106242.

Chicago/Turabian Style

Serena Falasca; Virgilio Ciancio; Ferdinando Salata; Iacopo Golasi; Federica Rosso; Gabriele Curci. 2019. "High albedo materials to counteract heat waves in cities: An assessment of meteorology, buildings energy needs and pedestrian thermal comfort." Building and Environment 163, no. : 106242.

Journal article
Published: 10 April 2019 in Fire
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During a fire in enclosed spaces, having structures with a good level of resistance is very important. The post flashover fire time interval, during which rescue squads operate, is important to verify if the structure can still resist fire for an acceptable time interval. This can be determined through the REI value. Hence, the way the fire develops must be examined together with the trend of the temperature that might guarantee that the structure will resist the heat flux released during the combustion. This article examines and compares, through a case study, the most important methods for analysis of the fire risk: the prescriptive approach and the simplified performance-based approach. The performance-based method (more suitable for the actual planning demand with respect to the more cautious prescriptive approach) is affected by the parameters influencing its development. The goal of this article is to provide a graph (based on parameters like the type of building, opening factor “O” and fire load “q”) that might be used by designers and architects to carry out the planning phase and adopt fire prevention systems before dealing with the assessments required by the engineering field for the fire risk analysis.

ACS Style

Luciano Santarpia; Simone Bologna; Virgilio Ciancio; Iacopo Golasi; Ferdinando Salata. Fire Temperature Based on the Time and Resistance of Buildings—Predicting the Adoption of Fire Safety Measures. Fire 2019, 2, 19 .

AMA Style

Luciano Santarpia, Simone Bologna, Virgilio Ciancio, Iacopo Golasi, Ferdinando Salata. Fire Temperature Based on the Time and Resistance of Buildings—Predicting the Adoption of Fire Safety Measures. Fire. 2019; 2 (2):19.

Chicago/Turabian Style

Luciano Santarpia; Simone Bologna; Virgilio Ciancio; Iacopo Golasi; Ferdinando Salata. 2019. "Fire Temperature Based on the Time and Resistance of Buildings—Predicting the Adoption of Fire Safety Measures." Fire 2, no. 2: 19.

Journal article
Published: 20 February 2019 in Energies
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The high energy consumption of the lighting installations in highway tunnels has become a hot topic in the last few years due to the high figures in terms of money, consumed energy, use of raw materials, emissions of greenhouse gases due to the remarkable number of manufactured elements, and maintenance, among others. In spite of the different strategies proposed up to date and their savings, the potential benefits of decreasing the maximum speed allowed in tunnels have not been considered in depth as a complementary measure yet. In this work, the impact of such a decrease in terms of energy consumption, number projectors, carbon dioxide (CO2) emissions, and yearly costs in energy is analyzed and discussed. The results strongly suggest the convenience of introducing maximum speed reduction in traffic regulations which, in addition, could create positive synergies with traffic safety.

ACS Style

Antonio Peña-García; Ferdinando Salata; Iacopo Golasi. Decrease of the Maximum Speed in Highway Tunnels as a Measure to Foster Energy Savings and Sustainability. Energies 2019, 12, 685 .

AMA Style

Antonio Peña-García, Ferdinando Salata, Iacopo Golasi. Decrease of the Maximum Speed in Highway Tunnels as a Measure to Foster Energy Savings and Sustainability. Energies. 2019; 12 (4):685.

Chicago/Turabian Style

Antonio Peña-García; Ferdinando Salata; Iacopo Golasi. 2019. "Decrease of the Maximum Speed in Highway Tunnels as a Measure to Foster Energy Savings and Sustainability." Energies 12, no. 4: 685.

Journal article
Published: 04 January 2019 in Energy and Buildings
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This paper examines how the lighting colour temperature affects indoor thermal comfort. A test room with three separate environments was set and, in each one of them, a lamp with a different colour temperature was positioned to evaluate the influence of a cold, neutral and warm light. The colour temperatures of the used lamps were 11,530 K, 4,000 K and 1,772 K respectively. During each test, while complying with the EN 12464-1, a lighting level of 500 lux and an uniformity coefficient higher than or equal to 0.7 were maintained. With an air temperature of about 22°C, 42 people were interviewed and filled a questionnaire structured according to the ISO 10551 to judge the resulting thermal comfort. The study reported a certain influence of the lighting colour temperature on people's thermal perception which was only lower than the one related to the gender. With respect to the ASHRAE 7-point scale, being exposed to the different types of light led to a decrease (0.44 units under cold light) in the mean value of the votes given by the interviewees to judge their thermal perception. Such condition gives the possibility to increase, without varying the thermal perception of the subjects, the air temperature of 1.25°C, 0.46°C and 0.23°C with cold, neutral and warm light respectively. Finally a cross tabulation analysis was performed to compare the votes of the participants before and after they were exposed to the different lights with those predicted by the Predicted Mean Vote (PMV).

ACS Style

Iacopo Golasi; Ferdinando Salata; Emanuele De Lieto Vollaro; Antonio Peña-García. Influence of lighting colour temperature on indoor thermal perception: A strategy to save energy from the HVAC installations. Energy and Buildings 2019, 185, 112 -122.

AMA Style

Iacopo Golasi, Ferdinando Salata, Emanuele De Lieto Vollaro, Antonio Peña-García. Influence of lighting colour temperature on indoor thermal perception: A strategy to save energy from the HVAC installations. Energy and Buildings. 2019; 185 ():112-122.

Chicago/Turabian Style

Iacopo Golasi; Ferdinando Salata; Emanuele De Lieto Vollaro; Antonio Peña-García. 2019. "Influence of lighting colour temperature on indoor thermal perception: A strategy to save energy from the HVAC installations." Energy and Buildings 185, no. : 112-122.

Journal article
Published: 13 November 2018 in Building and Environment
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In the present study the outdoor thermal comfort conditions in Konya (Central Anatolia, Turkey) were examined during summer. This is why a transversal field survey was carried out and over 300 questionnaires were filled by randomly chosen participants. Moreover, environmental variables as air temperature, wind speed, relative humidity and globe temperature were constantly measured. This allowed to relate the thermal perception and preference votes given by the interviewees to the morphological and furniture characteristics of the surveyed sites. Then, taking into account at the same time all the obtained data, a regression line between the thermal perception votes and the corresponding PET (Physiological Equivalent Temperature) values was obtained and a neutral PET value of 26.8 °C was calculated. Based on a logistic curve model with the probit function, a preferred PET value of 19.2 °C was determined. On the other hand, the PET comfort range of (21.6)–(32.0) °C was obtained by considering, as thermal comfort interval, the range (−0.5)-(+0.5) of the ASHRAE 7-point scale. Finally, two outdoor thermal comfort indexes were introduced. The first one, called Turkish Outdoor Comfort Index (TOCI), is able to predict the thermal perception of the considered population in hot conditions. In the second case, the Predicted Percentage of Dissatisfied (PPD) relation was modified based on the surveyed data and outdoor sites.

ACS Style

Fatih Canan; Iacopo Golasi; Virgilio Ciancio; Massimo Coppi; Ferdinando Salata. Outdoor thermal comfort conditions during summer in a cold semi-arid climate. A transversal field survey in Central Anatolia (Turkey). Building and Environment 2018, 148, 212 -224.

AMA Style

Fatih Canan, Iacopo Golasi, Virgilio Ciancio, Massimo Coppi, Ferdinando Salata. Outdoor thermal comfort conditions during summer in a cold semi-arid climate. A transversal field survey in Central Anatolia (Turkey). Building and Environment. 2018; 148 ():212-224.

Chicago/Turabian Style

Fatih Canan; Iacopo Golasi; Virgilio Ciancio; Massimo Coppi; Ferdinando Salata. 2018. "Outdoor thermal comfort conditions during summer in a cold semi-arid climate. A transversal field survey in Central Anatolia (Turkey)." Building and Environment 148, no. : 212-224.

Journal article
Published: 20 October 2018 in Energies
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The simulation of the energy consumptions in an hourly regime is necessary in order to perform calculations on residential buildings of particular relevance for volume or for architectural features. In such cases, the simplified methodology provided by the regulations may be inadequate, and the use of software like EnergyPlus is needed. To obtain reliable results, usually, significant time is spent on the meticulous insertion of the geometrical inputs of the building, together with the properties of the envelope materials and systems. Less attention is paid to the climate database. The databases available on the EnergyPlus website refer to airports located in rural areas near major cities. If the building to be simulated is located in a metropolitan area, it may be affected by the local heat island, and the database used as input to the software should take this phenomenon into account. To this end, it is useful to use a meteorological model such as the Weather Research and Forecasting (WRF) model to construct an appropriate input climate file. A case study based on a building located in the city center of Rome (Italy) shows that, if the climatic forcing linked to the heat island is not considered, the estimated consumption due to the cooling is underestimated by 35–50%. In particular, the analysis and the seasonal comparison between the energy needs of the building simulated by EnergyPlus, with the climatic inputs related to two airports in the rural area of Rome and with the inputs provided by the WRF model related to the center of Rome, show discrepancies of about (i) WRF vs. Fiumicino (FCO): Δ = −3.48% for heating, Δ = 49.25% for cooling; (ii) WRF vs. Ciampino (CIA): Δ = −7.38% for heating, Δ = +35.52% for cooling.

ACS Style

Virgilio Ciancio; Serena Falasca; Iacopo Golasi; Gabriele Curci; Massimo Coppi; Ferdinando Salata. Influence of Input Climatic Data on Simulations of Annual Energy Needs of a Building: EnergyPlus and WRF Modeling for a Case Study in Rome (Italy). Energies 2018, 11, 2835 .

AMA Style

Virgilio Ciancio, Serena Falasca, Iacopo Golasi, Gabriele Curci, Massimo Coppi, Ferdinando Salata. Influence of Input Climatic Data on Simulations of Annual Energy Needs of a Building: EnergyPlus and WRF Modeling for a Case Study in Rome (Italy). Energies. 2018; 11 (10):2835.

Chicago/Turabian Style

Virgilio Ciancio; Serena Falasca; Iacopo Golasi; Gabriele Curci; Massimo Coppi; Ferdinando Salata. 2018. "Influence of Input Climatic Data on Simulations of Annual Energy Needs of a Building: EnergyPlus and WRF Modeling for a Case Study in Rome (Italy)." Energies 11, no. 10: 2835.

Journal article
Published: 15 October 2018 in International Journal of Environmental Research and Public Health
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In the present work, the results are presented for the characterization of work risk prevention in the Guatemalan construction industry. This characterization has been carried out using a simple random sampling technique, employing a questionnaire that was structured into 3 groups of variables: 1. General company data; 2. Prevention and management activities regarding health and safety in the company and on the worksite; and 3. Health and safety in the contractor companies. Following the sampling phase, the data were introduced in a database format, and a preliminary analysis was performed on the studied variables, followed by a descriptive analysis and a multiple correspondence analysis. The main findings of the study emphasize that companies in the Guatemalan construction sector are characterized as dedicating most of their activity (52.0%) indistinctly between civil engineering work, building construction and other specialized construction, mainly working as contractors (47.5%). These are “medium-sized” companies, employing an average of 81.1 on-site workers, having an average of 6.8 on-site work crews, and grossing an average turnover of 1.29 million euros annually. Likewise, it found that the larger construction companies adopt better prevention and management measures for worksite health and safety the larger companies are correlated with a high awareness of experiencing worksite accidents, while medium-sized companies have medium-level awareness. Companies with fewer workers manage workplace risk prevention worse, with low accident risk awareness. This correlation between these indicative variables of company size and workplace risk management and prevention is clearly reflected in the four company “clusters” that have been identified as having homogenous characteristics using the multiple correspondence analysis technique. Companies in the Guatemalan construction sector should make a greater effort to improve manager and worker training regarding workplace risk prevention to increase the effectiveness of company prevention management.

ACS Style

Francisco Arturo Hernández-Arriaza; José Pérez-Alonso; Marta Gómez-Galán; Ferdinando Salata. The Guatemalan Construction Industry: Approach of Knowledge Regarding Work Risks Prevention. International Journal of Environmental Research and Public Health 2018, 15, 2252 .

AMA Style

Francisco Arturo Hernández-Arriaza, José Pérez-Alonso, Marta Gómez-Galán, Ferdinando Salata. The Guatemalan Construction Industry: Approach of Knowledge Regarding Work Risks Prevention. International Journal of Environmental Research and Public Health. 2018; 15 (10):2252.

Chicago/Turabian Style

Francisco Arturo Hernández-Arriaza; José Pérez-Alonso; Marta Gómez-Galán; Ferdinando Salata. 2018. "The Guatemalan Construction Industry: Approach of Knowledge Regarding Work Risks Prevention." International Journal of Environmental Research and Public Health 15, no. 10: 2252.

Journal article
Published: 25 September 2018 in Building and Environment
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Outdoor comfort, as perceived by the average person, is linked to a wide variety of parameters. Microclimatic, physiological and psychological factors influence the perception of each individual and more generally, that of the local population, given the acclimatization phenomenon with respect to local climate. One of the few mechanisms available to protect ourselves from the outdoor climate to achieve thermal comfort is choosing adequate thermal insulation in our clothing. Each individual can easily implement this protection mechanism to adjust her/his own thermal sensation. In order to quantitatively evaluate the comfort provided by thermal insulation of clothing, the following parameters must be considered: (i) outdoor thermal conditions, such as air and mean radiant temperature, relative humidity and wind speed; (ii) the individuals' genders and ages; and (iii) their expressions of thermal comfort, with reference to the specific local climate to which each subject is usually exposed (acclimatization). This work aims at analyzing these factors, by means of an experimental investigation, with particular reference to a statistically relevant sample of the Mediterranean population. To this end, thermal comfort is expressed by means of the Mediterranean Outdoor Comfort Index (MOCI), which was specifically created to describe the thermal comfort of the Mediterranean population. Results allow defining the preferred clothing's thermal resistance “ICL,med” for Mediterranean people, evidencing the different preferences as a function of gender and age. A slight tendency towards higher thermally-insulated clothing has been assessed with increasing age of the interviewees and among female interviewees.

ACS Style

Ferdinando Salata; Iacopo Golasi; Virgilio Ciancio; Federica Rosso. Dressed for the season: Clothing and outdoor thermal comfort in the Mediterranean population. Building and Environment 2018, 146, 50 -63.

AMA Style

Ferdinando Salata, Iacopo Golasi, Virgilio Ciancio, Federica Rosso. Dressed for the season: Clothing and outdoor thermal comfort in the Mediterranean population. Building and Environment. 2018; 146 ():50-63.

Chicago/Turabian Style

Ferdinando Salata; Iacopo Golasi; Virgilio Ciancio; Federica Rosso. 2018. "Dressed for the season: Clothing and outdoor thermal comfort in the Mediterranean population." Building and Environment 146, no. : 50-63.