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The methodology, the site and the dataset as well as the emissions scenario considered in the weather file definition influence the numerical evaluation of efficiency measures resilience. With a complete statistical and critical approach, the paper analyzes the importance of these aspects by means of a residential case study simulated in Benevento, a city of south Italy. Using data monitored from 2015 to 2020, a current weather file is built with different methodologies. The comparison indicates that there is not repeatability of the year chosen as a reference for the various months and thus the resolution of the building energy balance could bring different results. Some future climate projections are also generated on medium (2050 s) and long (2080 s) term considering different emission scenarios. With long term projection, the heating degree days are reduced also of − 21% meanwhile the cooling degree days are more than double compared with the current condition. This suggests a remarked transition towards a dominant cooling climate for Benevento. Moreover, when the climate change is considered, the insulation intervention and the installation of double glazed low emissive window is not resilient because the heating energy need decreases also of −56%, but the cooling energy need increases of + 62% (2080 s). If the efficiency measures include also the cool roof and the external shadings, the cooling demand could be reduced until –33% in some scenarios (e.g. RCP 4.5-50th percentile) and increased (+31%) in some others (e.g. 2080 s).
Rosa Francesca De Masi; Antonio Gigante; Silvia Ruggiero; Giuseppe Peter Vanoli. Impact of weather data and climate change projections in the refurbishment design of residential buildings in cooling dominated climate. Applied Energy 2021, 303, 117584 .
AMA StyleRosa Francesca De Masi, Antonio Gigante, Silvia Ruggiero, Giuseppe Peter Vanoli. Impact of weather data and climate change projections in the refurbishment design of residential buildings in cooling dominated climate. Applied Energy. 2021; 303 ():117584.
Chicago/Turabian StyleRosa Francesca De Masi; Antonio Gigante; Silvia Ruggiero; Giuseppe Peter Vanoli. 2021. "Impact of weather data and climate change projections in the refurbishment design of residential buildings in cooling dominated climate." Applied Energy 303, no. : 117584.
One of the strategies of the European Green Deal is the increment of renewable integration in the civil sector and the mitigation of the impact of climate change. With a statistical and critical approach, the paper analyzes these aspects by means of a case study simulated in a cooling dominated climate. It consists of a single-family house representative of the 1980s Italian building stock. Starting from data monitored between 2015 and 2020, a weather file was built with different methodologies. The first objective was the evaluation of how the method for selecting the solar radiation influences the prevision of photovoltaic productivity. Then, a sensitivity analysis was developed, by means of modified weather files according to representative pathways defined by the Intergovernmental Panel on Climate Change Fifth Assessment Report. The results indicate that the climate changes will bring an increment of photovoltaic productivity while the heating energy need will be reduced until 45% (e.g., in March) and the cooling energy need will be more than double compared with the current conditions. The traditional efficiency measures are not resilient because the increase of the cooling demand could be not balanced. The maximization of installed photovoltaic power is a solution for increasing the resilience. Indeed, going from 3.3 kWp to 6.9 kWp for the worst emission scenario, in a typical summer month (e.g., August), the self-consumption increases until 33% meanwhile the imported electricity passes from 28% to 17%.
Rosa De Masi; Valentino Festa; Antonio Gigante; Margherita Mastellone; Silvia Ruggiero; Giuseppe Vanoli. Effect of Climate Changes on Renewable Production in the Mediterranean Climate: Case Study of the Energy Retrofit for a Detached House. Sustainability 2021, 13, 8793 .
AMA StyleRosa De Masi, Valentino Festa, Antonio Gigante, Margherita Mastellone, Silvia Ruggiero, Giuseppe Vanoli. Effect of Climate Changes on Renewable Production in the Mediterranean Climate: Case Study of the Energy Retrofit for a Detached House. Sustainability. 2021; 13 (16):8793.
Chicago/Turabian StyleRosa De Masi; Valentino Festa; Antonio Gigante; Margherita Mastellone; Silvia Ruggiero; Giuseppe Vanoli. 2021. "Effect of Climate Changes on Renewable Production in the Mediterranean Climate: Case Study of the Energy Retrofit for a Detached House." Sustainability 13, no. 16: 8793.
The achievement of sustainable cities and communities is closely linked to an accurate design of the buildings. In this context, the transparent elements of the building envelope have a crucial role since, on one hand, they are a bottleneck in regards to heat and mass transfers and sound propagation, while, on the other hand, they must allow daylight penetration. Thus, they are responsible for occupants’ thermal and visual comfort and their health. Considering passive solutions for windows, the light shelves can improve natural light penetration, reducing the lights’ electricity demand and controlling windows’ related thermal aspects. The scientific literature is characterized by several studies that analyze this topic, which, however, focus only on the daylight field and sometimes the energy saving for lights. Moreover, they often refer to fixed sky type for the simulations. The aim of the present study is to analyze the application of the light shelves with a multi-disciplinary approach, by means of dynamic simulations, in the EnergyPlus engine, for a whole year. A new methodological approach is presented in order to investigate the technology under different fields of interest: daylight, lighting energy, cooling and heating needs, and thermo-hygrometric comfort. The case study chosen is an existing building, a student dormitory belonging to the University of Athens. It is subject to a deep energy renovation to conform to the “nearly Zero Energy Building” target, in the frame of a European research project called Pro-GET-onE (G.A No. 723747). By means of the calibrated numerical model of this HVAC–building system, ten different configurations of light shelves have been investigated. The best solution is given by the application of an internal horizontal light shelf placed at 50 cm from the top of the window with a depth of 90 or 60 cm. It has been found that despite the reduction in electricity demand for lighting, the variation in heating and cooling needs does not always lead to a benefit.
Silvia Ruggiero; Margarita-Niki Assimakopoulos; Rosa De Masi; Filippo de Rossi; Anastasia Fotopoulou; Dimitra Papadaki; Giuseppe Vanoli; Annarita Ferrante. Multi-Disciplinary Analysis of Light Shelves Application within a Student Dormitory Refurbishment. Sustainability 2021, 13, 8251 .
AMA StyleSilvia Ruggiero, Margarita-Niki Assimakopoulos, Rosa De Masi, Filippo de Rossi, Anastasia Fotopoulou, Dimitra Papadaki, Giuseppe Vanoli, Annarita Ferrante. Multi-Disciplinary Analysis of Light Shelves Application within a Student Dormitory Refurbishment. Sustainability. 2021; 13 (15):8251.
Chicago/Turabian StyleSilvia Ruggiero; Margarita-Niki Assimakopoulos; Rosa De Masi; Filippo de Rossi; Anastasia Fotopoulou; Dimitra Papadaki; Giuseppe Vanoli; Annarita Ferrante. 2021. "Multi-Disciplinary Analysis of Light Shelves Application within a Student Dormitory Refurbishment." Sustainability 13, no. 15: 8251.
The need to increase the level of quality of indoor environments requires an extremely accurate definition of the microclimatic requisites to guarantee, in the spaces where people live and work, global and local conditions of comfort, considering, at the same time, the aspects related to energy savings and environmental sustainability. In this framework, the paper proposes a comparison of indoor parameters for three different types of heating emitters: fan-coils, baseboards heaters, and radiant floor systems. The comparison is based on seasonal monitoring performed in a test-room located in a Mediterranean climate; it can simulate an insulated room with office usage. The proposed indices demonstrate that the floor radiant system is characterized by lower horizontal and vertical differences in air temperature distribution that can guarantee more comfortable conditions and lower heat losses. The operative temperature is often higher than the neutral point; thus, management with a lower set-point temperature should be experimented with in further studies. More generally, the introduced method could help designers to choose the proper system and management strategy with the dual purpose to select a comfortable but energy savings-oriented operating temperature.
Rosa Masi; Silvia Ruggiero; Giuseppe Vanoli. Experimental Comparison of Heating Emitters in Mediterranean Climate. Applied Sciences 2021, 11, 5462 .
AMA StyleRosa Masi, Silvia Ruggiero, Giuseppe Vanoli. Experimental Comparison of Heating Emitters in Mediterranean Climate. Applied Sciences. 2021; 11 (12):5462.
Chicago/Turabian StyleRosa Masi; Silvia Ruggiero; Giuseppe Vanoli. 2021. "Experimental Comparison of Heating Emitters in Mediterranean Climate." Applied Sciences 11, no. 12: 5462.
The dairy cattle sector is responsible of significant greenhouse gas emissions such as methane, carbon dioxide, nitrous oxide. The reduction of heat stress of dairy cows plays a crucial role in the improvement of dairy productivity and avoid greenhouse emissions. In this study a parametric analysis about several traditional or innovative passive solutions for building envelope of livestock housing is carried out, with the aim to achieve the thermal comfort of animals without active energy systems. The different energy efficiency measures designed for the building envelope are evaluated on the basis of different indexes for animal comfort, by means of the combination of the Building Energy Performance Simulations (BEPS) and computational fluid dynamics (CFD) simulations. The proposed method starts from the numerical model definition of a semi-closed, naturally ventilated, loose housing system, characterized by criteria traditionally recognized or accepted by the scientific community for designing a dairy cow housing. Different interventions, referred to the shape of the building and its envelope materials, are taken into account, such as cool materials or cross laminated timber, as well as polyurethane insulation or shading systems. Basing on the both temperature-humidity index (THI) and black globe temperature humidity index (BGHI) the optimal building envelope solutions are: opening ridge area with 1.8 m width, window to wall ratio equal to 79%, roof made by polyurethane foam with a slope of 15°. The environmental indexes calculated by means of BEPS numerical models simpler than CFD analysis bring a difference in results by a maximum of 18%. The results can support the decision-making process in the design of a sustainable barn for dairy cows taking animals welfare as reference. Moreover, the methodological approach could be easily replicated for other livestock type or other climatic zones.
Rosa Francesca De Masi; Silvia Ruggiero; Francesco Tariello; Giuseppe Peter Vanoli. Passive envelope solutions to aid design of sustainable livestock buildings in Mediterranean climate. Journal of Cleaner Production 2021, 311, 127444 .
AMA StyleRosa Francesca De Masi, Silvia Ruggiero, Francesco Tariello, Giuseppe Peter Vanoli. Passive envelope solutions to aid design of sustainable livestock buildings in Mediterranean climate. Journal of Cleaner Production. 2021; 311 ():127444.
Chicago/Turabian StyleRosa Francesca De Masi; Silvia Ruggiero; Francesco Tariello; Giuseppe Peter Vanoli. 2021. "Passive envelope solutions to aid design of sustainable livestock buildings in Mediterranean climate." Journal of Cleaner Production 311, no. : 127444.
This study investigates the thermo-hygrometric behaviour in wintertime of an open-joint ventilated façade, designed to be environmentally sustainable. It is the result of the Horizon Project “RE4 – REuse and REcycling of CDW materials and structures in energy efficient pREfabricated elements for building REfurbishment and construction” and it is composed by prefabricated elements made by recycled materials from construction and demolition waste. The designed façade has been installed in a full scale test-room located in Benevento (south Italy), with typical Mediterranean climate. The proposed analysis suggests that for the behaviour of the designed façade, the main influential factors are the solar radiation and the outdoor air temperature meanwhile the wind effect is negligible. Some mathematical correlations have been found and an empirical model that describes the air temperature in the cavity as a function of the external climatic parameters is developed. These findings could be useful for the assessment of performance of similar facades in the design phase but also for comparing the behaviour in different climates. All tests demonstrate that in winter time, in a humid and rainy climate, the prevalent effect is the insulation and the ventilation does not increase the heat losses. The designed system can effectively control the moisture content in the building envelope materials, ensuring dry surfaces and at the same time avoid the alteration of the thermo-hygrometric characteristics for the bacteria and mould proliferation, ensuring healthy environment and avoiding structural damage.
Rosa Francesca De Masi; Silvia Ruggiero; Giuseppe Peter Vanoli. Hygro-thermal performance of an opaque ventilated façade with recycled materials during wintertime. Energy and Buildings 2021, 245, 110994 .
AMA StyleRosa Francesca De Masi, Silvia Ruggiero, Giuseppe Peter Vanoli. Hygro-thermal performance of an opaque ventilated façade with recycled materials during wintertime. Energy and Buildings. 2021; 245 ():110994.
Chicago/Turabian StyleRosa Francesca De Masi; Silvia Ruggiero; Giuseppe Peter Vanoli. 2021. "Hygro-thermal performance of an opaque ventilated façade with recycled materials during wintertime." Energy and Buildings 245, no. : 110994.
The lack of data on the aging rate, under real operating conditions, is one of the most critical aspects for the diffusion of vacuum insulation panels in the building sector. This problem is analyzed in this paper by means of an integrated experimental-numerical approach. The panels under investigation are characterized by micro-porous silica pressed powder core with an aluminum barrier layer, for a total thickness of 10 mm. These are the insulation layer of a wall made of autoclaved aerated concrete blocks (total thickness of 21 cm) placed in a test room located in Benevento (south Italy). The experimental analysis is focused on the monitoring of heat flux and temperatures in order to evaluate the performance by means of the comparison with the same wall without insulation and for the indirect determination of the aging after five years (2015–2020). Results indicate an increment of thermal conductivity of 10.6%. Moreover, basing on experimental data, a semi-empirical linear function is appropriate to approximate the aging trend. A numerical case study, that implement the obtained aging trend, shows that the increment of thermal conductivity of vacuum insulation panels brings a reduction of the expected energy saving of 3% after 15 years. This result is true for several European cities with heating dominated climates.
Rosa Francesca De Masi; Silvia Ruggiero; Giuseppe Peter Vanoli. Multi-layered wall with vacuum insulation panels: Results of 5-years in-field monitoring and numerical analysis of aging effect on building consumptions. Applied Energy 2020, 278, 115605 .
AMA StyleRosa Francesca De Masi, Silvia Ruggiero, Giuseppe Peter Vanoli. Multi-layered wall with vacuum insulation panels: Results of 5-years in-field monitoring and numerical analysis of aging effect on building consumptions. Applied Energy. 2020; 278 ():115605.
Chicago/Turabian StyleRosa Francesca De Masi; Silvia Ruggiero; Giuseppe Peter Vanoli. 2020. "Multi-layered wall with vacuum insulation panels: Results of 5-years in-field monitoring and numerical analysis of aging effect on building consumptions." Applied Energy 278, no. : 115605.
In the 21st century, sustainable development is high on the international agenda, with the implementation of green walls contributing significantly to achieving environmental and social benefits, mainly in the frame of sustainable improvement of the building sector. The installation of a greening system can provide engineered solutions for stormwater management and climate change mitigation at both the urban and building level. This facilitates improving indoor comfort conditions and reducing energy needs. In order to improve the features of products and to facilitate the implementation of a proper technical standard, this paper proposes a critical bibliographic analysis of more recent scientific works. Moreover, by means of a numerical model of an existing single-family apartment, placed in the Mediterranean climate zone, a building envelope refurbishment with a living wall is carried out. A parametric analysis provides evidence for the application of different plants’ types and insulation materials. The results are analyzed considering the energy needs, the thermo-hygrometric comfort, and the outdoor surface temperature variation of the building envelope, emphasizing that a multi-criteria design approach is needed for green vertical systems. The paper provides data and an approach useful for designers and researchers in the evaluation and optimization of the performance of greening systems.
Margarita-Niki Assimakopoulos; Rosa Francesca De Masi; Filippo De Rossi; Dimitra Papadaki; Silvia Ruggiero. Green Wall Design Approach Towards Energy Performance and Indoor Comfort Improvement: A Case Study in Athens. Sustainability 2020, 12, 3772 .
AMA StyleMargarita-Niki Assimakopoulos, Rosa Francesca De Masi, Filippo De Rossi, Dimitra Papadaki, Silvia Ruggiero. Green Wall Design Approach Towards Energy Performance and Indoor Comfort Improvement: A Case Study in Athens. Sustainability. 2020; 12 (9):3772.
Chicago/Turabian StyleMargarita-Niki Assimakopoulos; Rosa Francesca De Masi; Filippo De Rossi; Dimitra Papadaki; Silvia Ruggiero. 2020. "Green Wall Design Approach Towards Energy Performance and Indoor Comfort Improvement: A Case Study in Athens." Sustainability 12, no. 9: 3772.
The green wall is an engineered technology for stormwater management and climate change mitigation at the urban level. At the building scale, these energy efficiency measures are suitable for improving indoor comfort conditions and for reducing energy needs. Several guidelines are available about vertical greening systems, but these propose design parameters and performance evaluation criteria, often incomparable. In order to facilitate the implementation of proper technical standards, this paper proposes a critical review of more recent scientific investigations. All parameters for the design optimization are discussed as well as the achievable social and private benefits by taking into consideration the type of study (numerical or experimental), the climate conditions, the analysis period, all technical requirements of the green layer as well as of the back wall. The review underlines that a multi-criteria design approach is needed for green vertical systems. Thus, the paper is concluded with a SWOT analysis, evidencing “strengths”, “weaknesses”, “opportunities” and “threats”. The analysis shows that the highlighted benefits will acquire greater relevance considering the increase in global temperatures and the growing need to redevelop densely built urban centers, while some negative aspects may be filled in the future with a deeper preparation of designers and careful choice of materials. The review paper shows, therefore, drivers and barriers occurring designing and implementing green walls.
Fabrizio Ascione; Rosa Francesca De Masi; Margherita Mastellone; Silvia Ruggiero; Giuseppe Peter Vanoli. Green Walls, a Critical Review: Knowledge Gaps, Design Parameters, Thermal Performances and Multi-Criteria Design Approaches. Energies 2020, 13, 2296 .
AMA StyleFabrizio Ascione, Rosa Francesca De Masi, Margherita Mastellone, Silvia Ruggiero, Giuseppe Peter Vanoli. Green Walls, a Critical Review: Knowledge Gaps, Design Parameters, Thermal Performances and Multi-Criteria Design Approaches. Energies. 2020; 13 (9):2296.
Chicago/Turabian StyleFabrizio Ascione; Rosa Francesca De Masi; Margherita Mastellone; Silvia Ruggiero; Giuseppe Peter Vanoli. 2020. "Green Walls, a Critical Review: Knowledge Gaps, Design Parameters, Thermal Performances and Multi-Criteria Design Approaches." Energies 13, no. 9: 2296.
This paper proposes a novel multistep approach for comparing several architectural solutions with the aim to create additional volumes on existing buildings by means of the façade transformation. The nearly zero energy standard is the objective of the designing and the criteria for the comparison take into account the minimization of economic impacts and the maximization of comfort conditions for the occupants. An innovative SWOT matrix is proposed for evaluating, with multidisciplinary approach, the results of the refurbishment design. The internal strengths and weaknesses are referred to the building occupants, while external opportunities and threats are referred to the whole society. The proposed approach is applied to the B Building FEPA of the student dormitory in the National and Kapodistrian University of Athens in the frame of a research project financed by HORIZON 2020 funds. With reference to the case study, an increment of around 22% of living space is achieved with energy saving and polluting reduction of around 90%; at the same time the amenity of the outdoor environment, the seismic security, the global comfort are improved. The results of the case study allow to demonstrate how the volume add-ons technique can bring many benefits, not only on the energetic point of view, in the refurbishment of the existing building stock. The awareness of these advantages could encourage occupants, tenants and communities to participate actively in the designing process, and it could be accelerate the achievement of the nearly zero energy standard for the existing building stock. This is the future goal for the sustainable development of the building sector.
Margarita-Niki Assimakopoulos; Rosa Francesca De Masi; Anastasia Fotopoulou; Dimitra Papadaki; Silvia Ruggiero; Giovanni Semprini; Giuseppe Peter Vanoli. Holistic approach for energy retrofit with volumetric add-ons toward nZEB target: Case study of a dormitory in Athens. Energy and Buildings 2019, 207, 109630 .
AMA StyleMargarita-Niki Assimakopoulos, Rosa Francesca De Masi, Anastasia Fotopoulou, Dimitra Papadaki, Silvia Ruggiero, Giovanni Semprini, Giuseppe Peter Vanoli. Holistic approach for energy retrofit with volumetric add-ons toward nZEB target: Case study of a dormitory in Athens. Energy and Buildings. 2019; 207 ():109630.
Chicago/Turabian StyleMargarita-Niki Assimakopoulos; Rosa Francesca De Masi; Anastasia Fotopoulou; Dimitra Papadaki; Silvia Ruggiero; Giovanni Semprini; Giuseppe Peter Vanoli. 2019. "Holistic approach for energy retrofit with volumetric add-ons toward nZEB target: Case study of a dormitory in Athens." Energy and Buildings 207, no. : 109630.
Living walls have a great potential for the improvement of the building energy performances and the indoor comfort as well as for positive changes in dense urban areas. Despite this evidence, the design criteria have not be discussed in the available literature. This paper proposes a complete numerical approach for selecting the optimal living wall package in the Mediterranean climate areas. With a parametric analysis, the incidence of plants’ type, substrate’s materials, air-gap and thickness of the main materials on energy performance, thermal comfort and polluting emissions is evaluated. A multi-objective optimization is applied to a subset of solutions and for the optimal configurations the thermal field is studied by means of the computational fluid dynamic approach. The advantage of proposed method is the combined evaluations of multiple variables with simplicity in execution; for this reason it could be repeated for studying other innovative solutions. Results indicate that the better exposure for the living wall is the west one. The minimization of the cooling energy demand requires the adoption of grass species while the minimization of the heating energy demand the sedum plantings. Moreover, simulations show that the main advantage is the great incidence on the passive control of indoor microclimate with a reduction of operating hours of air-conditioning systems and of energy costs.
Rosa Francesca De Masi; Filippo de Rossi; Silvia Ruggiero; Giuseppe Peter Vanoli. Numerical optimization for the design of living walls in the Mediterranean climate. Energy Conversion and Management 2019, 195, 573 -586.
AMA StyleRosa Francesca De Masi, Filippo de Rossi, Silvia Ruggiero, Giuseppe Peter Vanoli. Numerical optimization for the design of living walls in the Mediterranean climate. Energy Conversion and Management. 2019; 195 ():573-586.
Chicago/Turabian StyleRosa Francesca De Masi; Filippo de Rossi; Silvia Ruggiero; Giuseppe Peter Vanoli. 2019. "Numerical optimization for the design of living walls in the Mediterranean climate." Energy Conversion and Management 195, no. : 573-586.
The paper discusses a methodological approach for designing energy refurbishment measures basing on a deep energy diagnosis with in-situ measurements that allow the complete characterizations of building /HVAC system and the indoor conditions. Then, the Cost-Optimal approach is applied to compare several retrofit scenarios considering interventions both on the building envelope and on plant systems. The case study is a University building in heating dominated climate of South Italy. According to a macroeconomic perspective, with a discount rate of 3%, the package of energy efficiency measures that combines installation of heat recovery systems, regulation dispositive for HVAC and LED lamps with automatic control induces considerable energy saving and reduction of polluting emissions (−33%) as well as the largest reduction in the overall cost (−35%). Moreover, the importance to use validated models is examined exhaustively by proposing a sensitivity analysis on uncertainties due to modelling assumptions mainly referring to the adoption of stochastic schedules for occupant behaviour and equipment or lighting usage. First of all, this analysis shows that the calibration indexes are always dissatisfied; besides it is demonstrated that refurbishment design can appear more convenient, with wrong assumptions. For instance, one of proposed scenario brings to energy saving of −41% and reduction of global cost of around −36%.
Laura Bellia; Martina Borrelli; Rosa Francesca De Masi; Silvia Ruggiero; Giuseppe Peter Vanoli. University building: Energy diagnosis and refurbishment design with cost-optimal approach. Discussion about the effect of numerical modelling assumptions. Journal of Building Engineering 2018, 18, 1 -18.
AMA StyleLaura Bellia, Martina Borrelli, Rosa Francesca De Masi, Silvia Ruggiero, Giuseppe Peter Vanoli. University building: Energy diagnosis and refurbishment design with cost-optimal approach. Discussion about the effect of numerical modelling assumptions. Journal of Building Engineering. 2018; 18 ():1-18.
Chicago/Turabian StyleLaura Bellia; Martina Borrelli; Rosa Francesca De Masi; Silvia Ruggiero; Giuseppe Peter Vanoli. 2018. "University building: Energy diagnosis and refurbishment design with cost-optimal approach. Discussion about the effect of numerical modelling assumptions." Journal of Building Engineering 18, no. : 1-18.
The paper proposes a complete experimental characterization of an acrylic white paint, widespread in the field of household appliances or automotive sector. This paints has been already studied by means of in-lab tests; results have suggested that it is suitable for cool roof application. In this study, the results of a measurement campaign are discussed; it has been carried out by means of test-room of the University of Sannio, in Benevento city, under Mediterranean climatic conditions starting from the summer 2016 until the summer 2017. In detail, the in-field monitoring concerns: all data for describing indoor and outdoor climatic conditions; the measure of solar reflectance at start and after one year from paint’s application; the indoor and outdoor surface temperatures, the heat flux; optical investigations in visual and infrared field. The proposed paint has been compared with a commercial cool roof product and with a polished aluminum varnish in term of improvement respect to traditional dark bituminous membrane. Also the in-field aging effect is studied to compare degradation of proposed paint and commercial cool paint. Data elaborations bring to interesting conclusions; first of all, the in-field performance of acrylic paint is comparable to cool product and it is better than aluminum paint. Proposed product shows very fast drying, good gloss and appearance, lower application time and positive economic analysis. However, the aging is faster with in-field reduction of solar reflectance of around 20–25%. It could be due to application technique and to adopted product to favor the adhesion. This makes suitable other researches also for evaluate the application of a protective gloss that could assure greater durability than traditional product.
Rosa Francesca De Masi; Silvia Ruggiero; Giuseppe Peter Vanoli. Acrylic white paint of industrial sector for cool roofing application: Experimental investigation of summer behavior and aging problem under Mediterranean climate. Solar Energy 2018, 169, 468 -487.
AMA StyleRosa Francesca De Masi, Silvia Ruggiero, Giuseppe Peter Vanoli. Acrylic white paint of industrial sector for cool roofing application: Experimental investigation of summer behavior and aging problem under Mediterranean climate. Solar Energy. 2018; 169 ():468-487.
Chicago/Turabian StyleRosa Francesca De Masi; Silvia Ruggiero; Giuseppe Peter Vanoli. 2018. "Acrylic white paint of industrial sector for cool roofing application: Experimental investigation of summer behavior and aging problem under Mediterranean climate." Solar Energy 169, no. : 468-487.
A key element of the Energy Performance of Building Directive 2010/31/EU is the introduction of nearly zero energy building (NZEB) standard for new constructions. However, considering the very low rate of new built volume, the major change for achieve the sustainable grow of the European economy, appears to be the renovation of existing building stock. But, is it possible to reach very low or nearly zero energy standard during refurbishment design? Proposed paper tries to answer this question, evaluating if the refurbishment of historic architectures to very low energy need is possible and economically feasible. With reference to a case study, this paper investigates the cost-optimal energy refurbishment of a Renaissance-style palace, located in the center of Naples, South Italy. The adopted methodology consists of various steps. Firstly, a model of the building has been accurately built and calibrated. Then, it has been used to evaluate possible interventions concerning both the envelope and the energy systems. The best solutions, chosen according to the European methodology of cost-optimality, have been combined in a last simulation. The results show that great energy savings as well as economic and environmental improvements are possible, although heritage buildings present a less flexibility in the proposal of energy efficiency measures.
Fabrizio Ascione; Rosa Francesca De Masi; Filippo de Rossi; Silvia Ruggiero; Giuseppe Peter Vanoli. NZEB target for existing buildings: case study of historical educational building in Mediterranean climate. Energy Procedia 2017, 140, 194 -206.
AMA StyleFabrizio Ascione, Rosa Francesca De Masi, Filippo de Rossi, Silvia Ruggiero, Giuseppe Peter Vanoli. NZEB target for existing buildings: case study of historical educational building in Mediterranean climate. Energy Procedia. 2017; 140 ():194-206.
Chicago/Turabian StyleFabrizio Ascione; Rosa Francesca De Masi; Filippo de Rossi; Silvia Ruggiero; Giuseppe Peter Vanoli. 2017. "NZEB target for existing buildings: case study of historical educational building in Mediterranean climate." Energy Procedia 140, no. : 194-206.
Technology transfer, scientific research and education could have a key role in Mediterranean regions, in order to reduce the environmental impact of the building sector. Recently, the Department of Engineering of University of Sannio has developed a laboratory suitable for performing researches on the dynamic interactions between building envelope components, indoor environment and mechanical systems for a typical climate of south of Italy. The work described within this paper is a part of this large-scale project. Its goals are: (a) to design, test and validate a poly-equipped test room, (b) to perform transient tests to determine performances of common and innovative building components and alternative HVAC systems. More in detail, this paper focuses on the first goal, with the aim to generalize the design approach, requirements and capabilities of calibrated outdoor test facilities, specifically thought for Mediterranean climate. The facility has undergone a substantial amount of characterization tests, aimed at determining its response under yearly operations. The primary conclusions are that the new test facility is usable for a wide range of environmental and indoor conditions, it is functional and has been validated through characterization and preliminary investigations of the behavior of the thermal envelope. Moreover, some experimental results are here analyzed, by evidencing the potentialities of vacuum insulation panels for improving the performances of the thermal envelope, for what concerns both winter and summer seasons. Then, some numerical analyses have been carried out. A 3D CFD model has been calibrated for studying the real distribution of temperatures and water vapor partial pressures within VIP panels. Furthermore, a dynamic energy model of the test cell has been developed by means of Energy Plus, with the aim to use its capability to compare potential configurations that would be installed in future researches, or to evaluate energy, environmental and economic issues.
Fabrizio Ascione; Rosa Francesca De Masi; Filippo de Rossi; Silvia Ruggiero; Giuseppe Peter Vanoli. MATRIX, a multi activity test-room for evaluating the energy performances of ‘building/HVAC’ systems in Mediterranean climate: Experimental set-up and CFD/BPS numerical modeling. Energy and Buildings 2016, 126, 424 -446.
AMA StyleFabrizio Ascione, Rosa Francesca De Masi, Filippo de Rossi, Silvia Ruggiero, Giuseppe Peter Vanoli. MATRIX, a multi activity test-room for evaluating the energy performances of ‘building/HVAC’ systems in Mediterranean climate: Experimental set-up and CFD/BPS numerical modeling. Energy and Buildings. 2016; 126 ():424-446.
Chicago/Turabian StyleFabrizio Ascione; Rosa Francesca De Masi; Filippo de Rossi; Silvia Ruggiero; Giuseppe Peter Vanoli. 2016. "MATRIX, a multi activity test-room for evaluating the energy performances of ‘building/HVAC’ systems in Mediterranean climate: Experimental set-up and CFD/BPS numerical modeling." Energy and Buildings 126, no. : 424-446.