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This chapter focuses on the potential combination of ventilative cooling solutions with ventilative ground cooling systems. Horizontal low-enthalpy buried pipes which use air as heat fluid, for example, earth-to-air heat exchangers (EAHX), are focused on in particular. EAHXs may reduce energy consumption for space heating and cooling thanks to their potential to pre-heat and cool an airflow. This chapter describes this technique and includes design suggestions for the application of EAHX in buildings. This solution may be coupled with mechanical VC systems, or be used in naturally-ventilated buildings with the potential support of a fan system to ensure that sufficient airflow is passing through the buried pipes. Finally, a simulation-based approach to analyse the local potential of EAHX to reduce thermal discomfort in naturally ventilated buildings is introduced, thus providing a method for early-design purposes.
Giacomo Chiesa. Ventilative Cooling in Combination with Other Natural Cooling Solutions: Earth-to-Air Heat Exchangers—EAHX. GNSS for Rail Transportation 2021, 191 -211.
AMA StyleGiacomo Chiesa. Ventilative Cooling in Combination with Other Natural Cooling Solutions: Earth-to-Air Heat Exchangers—EAHX. GNSS for Rail Transportation. 2021; ():191-211.
Chicago/Turabian StyleGiacomo Chiesa. 2021. "Ventilative Cooling in Combination with Other Natural Cooling Solutions: Earth-to-Air Heat Exchangers—EAHX." GNSS for Rail Transportation , no. : 191-211.
This chapter introduces the book’s contents and its structure. It also includes a short description of why Ventilative Cooling (VC) is increasing in importance in a scenario where building cooling needs are growing. The building sector is responsible for about 40% of primary energy consumption; space heating, cooling and ventilation have proved to be the main consumers. Even though great efforts have been made to reduce energy needs for space heating, much less has been done for space cooling and ventilation. However, this situation is bound to change given that energy consumption for cooling is expected to supersede that for heating between 2050 and 2100. The main features of this growth are analysed in consideration of the international style of buildings, the growth in comfort expectations and changes in comfort culture, the growth in internal heat gains, increasing air temperature and urban heat island, as well as the side effects of the advancement in building envelope optimisation to reduce winter consumption (solar gains, airtightness). In order to face these new developments, which are linked with local increases in air temperature due to the thermal by-product of conditioners and related Green House Gas emissions, natural and hybrid solutions are needed. This book focuses on Ventilative Cooling techniques which aim to be a complete and reliable reference for designers and engineers who are working in the field of environmental design and renewable energy in the building sector. In this book Ventilative Cooling boundaries including all relevant information, background issues, techniques and applications are discussed based on the work of an internationally recognised group of experts. This chapter contains a short description of the contents of each part of the book.
Giacomo Chiesa; Maria Kolokotroni; Per Heiselberg. Innovations in Ventilative Cooling: An Introduction. GNSS for Rail Transportation 2021, 1 -12.
AMA StyleGiacomo Chiesa, Maria Kolokotroni, Per Heiselberg. Innovations in Ventilative Cooling: An Introduction. GNSS for Rail Transportation. 2021; ():1-12.
Chicago/Turabian StyleGiacomo Chiesa; Maria Kolokotroni; Per Heiselberg. 2021. "Innovations in Ventilative Cooling: An Introduction." GNSS for Rail Transportation , no. : 1-12.
This chapter analyses the potential combination of ventilative cooling solutions with direct evaporative cooling (DEC) systems. The focus is on passive downdraught evaporative cooling (PDEC) towers, whose performance is described based on the analysis of monitored results. The main design aspects of PDEC towers are explained, including basic relationships and support tools for system optimization. A series of case studies is reported, illustrating different integration strategies and providing a series of examples for designers. Finally, a simulation-based approach to analysing the local potential of PDEC to reduce thermal discomfort in naturally ventilated buildings is introduced, providing a method by which DEC systems can be integrated in building projects from the early-design phases.
Giacomo Chiesa; David Pearlmutter. Ventilative Cooling in Combination with Other Natural Cooling Solutions: Direct Evaporative Cooling—DEC. GNSS for Rail Transportation 2021, 167 -190.
AMA StyleGiacomo Chiesa, David Pearlmutter. Ventilative Cooling in Combination with Other Natural Cooling Solutions: Direct Evaporative Cooling—DEC. GNSS for Rail Transportation. 2021; ():167-190.
Chicago/Turabian StyleGiacomo Chiesa; David Pearlmutter. 2021. "Ventilative Cooling in Combination with Other Natural Cooling Solutions: Direct Evaporative Cooling—DEC." GNSS for Rail Transportation , no. : 167-190.
Urban heat island and urban-driven climate variations are recognized issues and may considerably affect the local climatic potential of free-running technologies. Nevertheless, green design and bioclimatic early-design analyses are generally based on typical rural climate data, without including urban effects. This paper aims to define a simple approach to considering urban shapes and expected effects on local bioclimatic potential indicators to support early-design choices. Furthermore, the proposed approach is based on simplifying urban shapes to simplify analyses in early-design phases. The proposed approach was applied to a sample location (Turin, temperate climate) and five other climate conditions representative of Eurasian climates. The results show that the inclusion of the urban climate dimension considerably reduced rural HDD (heating degree-days) from 10% to 30% and increased CDD (cooling degree-days) from 70% to 95%. The results reveal the importance of including the urban climate dimension in early-design phases, such as building programming in which specific design actions are not yet defined, to support the correct definition of early-design bioclimatic analyses.
Giacomo Chiesa; Yingyue Li. Including Urban Heat Island in Bioclimatic Early-Design Phases: A Simplified Methodology and Sample Applications. Sustainability 2021, 13, 5918 .
AMA StyleGiacomo Chiesa, Yingyue Li. Including Urban Heat Island in Bioclimatic Early-Design Phases: A Simplified Methodology and Sample Applications. Sustainability. 2021; 13 (11):5918.
Chicago/Turabian StyleGiacomo Chiesa; Yingyue Li. 2021. "Including Urban Heat Island in Bioclimatic Early-Design Phases: A Simplified Methodology and Sample Applications." Sustainability 13, no. 11: 5918.
This chapter deals with a geo-climatic approach to low-energy technologies in climate change scenarios. Different key performance indicators (KPI) which are able to predict the geo-climatic potential distribution of bioclimatic solutions in reducing expected energy needs while guaranteeing space comfort in buildings (e.g. wind-driven, controlled natural ventilation for passive cooling of spaces) are described. This approach is further expanded to define the resilience of the above mentioned techniques in absorbing climate change impact on cooling and heating needs. The main objective of the chapter is to describe a methodological approach and introduce the aims of the geo-climatic vision. Three bioclimatic technologies based on low-energy/passive cooling (direct evaporative cooling, earth-to-air heat exchangers, wind-driven ventilation) and one low-energy/passive heating (earth-to-air heat exchangers), are taken as references. The calculation results of the local potential of these technologies based on related KPIs are described for the entire Italian peninsula, assuming both current typical meteorological years and two future climate change scenarios.
Giacomo Chiesa. Geo-Climatic Indicators to Define Local Potential of Low-Energy Technologies Including Climate Changes. GNSS for Rail Transportation 2021, 383 -400.
AMA StyleGiacomo Chiesa. Geo-Climatic Indicators to Define Local Potential of Low-Energy Technologies Including Climate Changes. GNSS for Rail Transportation. 2021; ():383-400.
Chicago/Turabian StyleGiacomo Chiesa. 2021. "Geo-Climatic Indicators to Define Local Potential of Low-Energy Technologies Including Climate Changes." GNSS for Rail Transportation , no. : 383-400.
This chapter roughly describes an unconventional introduction to bioclimatic backgrounds aimed at tackling some of the major challenges of urban and architectural design with a multi-hybridised approach. As remembered by prof. Pearlmutter in the book preface and demonstrated by prof. Grosso in his key chapter, bioclimatic design is still an urgency. It needs to become part of our common way of thinking of architectural and urban design, as the matter of sustainability and climate issues become increasingly important in relation to current and future human space-living needs. The focus here is on the anthropogenic background, touching on climate change and massive urbanisation, trying to suggest potential visual and cultural connections for bioclimatic design. Furthermore, a reflection on how to localise the aspects of environmental and bioclimatic design research in the approach to technological design is introduced early on.
Giacomo Chiesa. Design with Climate: An Unconventional Introduction. GNSS for Rail Transportation 2021, 3 -20.
AMA StyleGiacomo Chiesa. Design with Climate: An Unconventional Introduction. GNSS for Rail Transportation. 2021; ():3-20.
Chicago/Turabian StyleGiacomo Chiesa. 2021. "Design with Climate: An Unconventional Introduction." GNSS for Rail Transportation , no. : 3-20.
Earth–air heat exchangers (EAHE) provide heating and cooling that is intrinsically tied to the climate of the surrounding environment. A climate-based approach was applied to 273 sites for both historical and projected climate conditions, with the latter being defined by three different Representative Concentration Pathways (RCPs) from the CMIP5 collection of Global Circulation Models (GCMs). Changes to heating and cooling degree hours as well as heating and cooling capacity were estimated and used to classify geo-climatic suitability. The analysis revealed cooler climates will retain their ability to provide cooling despite increasing cooling needs driven by warming temperatures. On the other hand, warmer, more tropical, climates will observe reduced suitability as cooling demand grows. The magnitude and variability of the changes in EAHE potential were greatest for the RCP8.5 scenario during the 2061–2090 time period, particularly for regions with a comparable mix of heating and cooling needs. Ultimately, the results demonstrate that future EAHE suitability is climate dependent, with cooler climates being relatively resistant to changes when compared to warmer climates. The results can be used by stakeholders to find useful climate analogs for their sites of interest to consider the potential impact of global climate change on EAHE usability.
Andrew Zajch; William Gough; Giacomo Chiesa. Earth–Air Heat Exchanger Geo-Climatic Suitability for Projected Climate Change Scenarios in the Americas. Sustainability 2020, 12, 10613 .
AMA StyleAndrew Zajch, William Gough, Giacomo Chiesa. Earth–Air Heat Exchanger Geo-Climatic Suitability for Projected Climate Change Scenarios in the Americas. Sustainability. 2020; 12 (24):10613.
Chicago/Turabian StyleAndrew Zajch; William Gough; Giacomo Chiesa. 2020. "Earth–Air Heat Exchanger Geo-Climatic Suitability for Projected Climate Change Scenarios in the Americas." Sustainability 12, no. 24: 10613.
The paper introduces a working prototype of an IoT system which controls natural and artificial light balance in combination with a dynamic shading system. The proposed solution adopts a scalable approach to smart system integration in buildings based on sensing and actuating nodes (Arduino-driven) and on a main unit (Raspberry-driven). A control App is developed to allow user interaction by setting seasonal automatic modes or manual functionalities. The required illuminance threshold may be changed, while the shading system acts in accordance with seasonal profiles in line with bioclimatic design principles. The control system adopts a fuzzy logic solution which is able to ensure fast control without high computational effort. Preliminary tests of the developed prototype are reported showing its main functionalities and its ability to maintain the required illuminance even in high variance conditions by adjusting both shading and lighting in less than 100 s. Currently, the solution has reached TRL 3.
Giacomo Chiesa; Daniel Di Vita; Ahmadreza Ghadirzadeh; Andrés Hernando Muñoz Herrera; Juan Camilo Leon Rodriguez. A fuzzy-logic IoT lighting and shading control system for smart buildings. Automation in Construction 2020, 120, 103397 .
AMA StyleGiacomo Chiesa, Daniel Di Vita, Ahmadreza Ghadirzadeh, Andrés Hernando Muñoz Herrera, Juan Camilo Leon Rodriguez. A fuzzy-logic IoT lighting and shading control system for smart buildings. Automation in Construction. 2020; 120 ():103397.
Chicago/Turabian StyleGiacomo Chiesa; Daniel Di Vita; Ahmadreza Ghadirzadeh; Andrés Hernando Muñoz Herrera; Juan Camilo Leon Rodriguez. 2020. "A fuzzy-logic IoT lighting and shading control system for smart buildings." Automation in Construction 120, no. : 103397.
The aim of this work is to evince the advantages of a synergic application of energy and economic analyses to orient design strategies, exploring the impacts of the territorial location in relation to energy consumptions, maintenance costs, prices and market variability. Centrality is posed on energy efficiency of buildings, in terms of energy consumption reduction and of optimal planning maintenance activities to reduce the replacement costs and to enhance the durability of components. For simulating the effects of the projects’ potential location on energy and economic input data, uncertainty is modeled as a proxy of the territorial variations in the joint energy-economic analysis. In the methodology presented, the stochastic Global Cost calculation represents the core. In turn, the Global Cost (EN 15459-1:2017) is considered the core of the Life Cycle Cost Analysis (ISO 15686: 2017, Part 5). Assuming the results of a previous step of research, in this work the Global Cost calculation is conducted considering both the running costs and the maintenance costs components, in stochastic terms. The Probability Analysis is applied for calculating the effects of uncertainty in costs and assuming different climate conditions. These lasts are represented with reference to the Italian territory, and specifically to 7978 Italian Municipalities and the related climate zones. The methodology assumes the results of a preliminary step of energy analysis, in which a massive set of dynamic energy simulations by EnergyPlus of a sample office unit is produced, by varying its location and related envelope thermal insulation levels.
Elena Fregonara; Diego Giuseppe Ferrando; Giacomo Chiesa. Economic Valuation of Buildings Sustainability with Uncertainty in Costs and in Different Climate Conditions. Blockchain Technology and Innovations in Business Processes 2020, 1217 -1226.
AMA StyleElena Fregonara, Diego Giuseppe Ferrando, Giacomo Chiesa. Economic Valuation of Buildings Sustainability with Uncertainty in Costs and in Different Climate Conditions. Blockchain Technology and Innovations in Business Processes. 2020; ():1217-1226.
Chicago/Turabian StyleElena Fregonara; Diego Giuseppe Ferrando; Giacomo Chiesa. 2020. "Economic Valuation of Buildings Sustainability with Uncertainty in Costs and in Different Climate Conditions." Blockchain Technology and Innovations in Business Processes , no. : 1217-1226.
Evolving cooling needs have promoted the examination of passive low energy cooling solutions such as Earth-to-air heat exchangers (EAHE). These systems heat or cool passing air based on the seasonal air-soil temperature differences, therefore exhibiting a natural correlation between system performance and climate. Key performance indicators (KPIs) of EAHE cooling potential generated from climatic indicators were compared to building simulation results, for a multitude of system and building configurations, baseline cooling thresholds, and future climate scenarios to identify sensitivity of these indices useful for pre-design evaluations. The analysis was conducted for nine representative locations in North America. Using weather files representative of future climate scenarios, the potential for EAHE cooling was shown to persist in cooler climates in contrast to cooling dominated regions like Miami and Phoenix whose use of the EAHE was not effective. In terms of building and system design, shading and control natural ventilation (CNV) were identified as the ideal additions to promote EAHE cooling. Mean soil temperature was also identified as a possible metric for estimating EAHE cooling as cooler soil temperatures expectedly perform better. The comparison between the two approaches demonstrated climate indicators consistently reflected the behaviour predicted by building simulation despite changes to building dimensions. As a result, climate indicators have been shown to be effective pre-design tools in estimating EAHE cooling potential. These can be used by stakeholders evaluating the benefit of EAHEs in providing sustainable cooling in various climates and future climate conditions.
Giacomo Chiesa; Andrew Zajch. Contrasting climate-based approaches and building simulations for the investigation of Earth-to-air heat exchanger (EAHE) cooling sensitivity to building dimensions and future climate scenarios in North America. Energy and Buildings 2020, 227, 110410 .
AMA StyleGiacomo Chiesa, Andrew Zajch. Contrasting climate-based approaches and building simulations for the investigation of Earth-to-air heat exchanger (EAHE) cooling sensitivity to building dimensions and future climate scenarios in North America. Energy and Buildings. 2020; 227 ():110410.
Chicago/Turabian StyleGiacomo Chiesa; Andrew Zajch. 2020. "Contrasting climate-based approaches and building simulations for the investigation of Earth-to-air heat exchanger (EAHE) cooling sensitivity to building dimensions and future climate scenarios in North America." Energy and Buildings 227, no. : 110410.
The energy performance of urban buildings is affected by multiple climate phenomena such as heat island intensity, wind flow, solar obstructions and infrared radiation exchange in urban canyons, but a modelling procedure to account for all of them in building performance simulation is still missing. This paper contributes to fill this gap by describing a chain strategy to model urban boundary conditions suitable for annual simulations using dynamic thermal simulation tools. The methodology brings together existing physical and empirical climate models and it is applied to 10 case studies in Rome (Italy) and Antofagasta (Chile). The results show that urban climate varies significantly across a city depending on the density of urban texture and its impact on the annual energy demand depends on the region's climate. The urban shadows are crucial in cooling-dominated climates (Antofagasta) while the urban heat island intensity is more important in temperate climates (Rome). Abbreviations: ACH: Air change per hour; BPS: Building Performance Simulation; BS: British Standard; CNV: Controlled natural ventilation; H/W: height-to-width ratio of urban canyons; L/W: length-to-width ratio of urban canyons; UHI: Urban Heat Island; UWG: Urban Weather Generator model
A. Salvati; M. Palme; G. Chiesa; M. Kolokotroni. Built form, urban climate and building energy modelling: case-studies in Rome and Antofagasta. Journal of Building Performance Simulation 2020, 13, 209 -225.
AMA StyleA. Salvati, M. Palme, G. Chiesa, M. Kolokotroni. Built form, urban climate and building energy modelling: case-studies in Rome and Antofagasta. Journal of Building Performance Simulation. 2020; 13 (2):209-225.
Chicago/Turabian StyleA. Salvati; M. Palme; G. Chiesa; M. Kolokotroni. 2020. "Built form, urban climate and building energy modelling: case-studies in Rome and Antofagasta." Journal of Building Performance Simulation 13, no. 2: 209-225.
Wind pressure distribution is an essential factor for calculation of airflow rates in controlled natural ventilation systems for both indoor air quality and cooling purposes. A pressure coefficient calculation model, CpCalc, with a modular parametric approach based on analysis of wind tunnel tests was developed by Mario Grosso within the COMIS workshop, held at Lawrence Berkeley Laboratory, UCB, CA, USA, in 1988-1992, and upgraded for the European Project PASCOOL in 1994-2001. This software allows for calculating Cp at any point of a building façade and roof slope as a function of various climate, environmental, and building geometry parameters. The present paper describes a further upgrading of this software using a Pyton script, which allows for applying CpCalc to hourly-based energy dynamic simulation codes as well as being connectable in future with parametric design software.
Giacomo Chiesa; Mario Grosso. Python-based calculation tool of wind-pressure coefficients on building envelopes. Journal of Physics: Conference Series 2019, 1343, 012132 .
AMA StyleGiacomo Chiesa, Mario Grosso. Python-based calculation tool of wind-pressure coefficients on building envelopes. Journal of Physics: Conference Series. 2019; 1343 (1):012132.
Chicago/Turabian StyleGiacomo Chiesa; Mario Grosso. 2019. "Python-based calculation tool of wind-pressure coefficients on building envelopes." Journal of Physics: Conference Series 1343, no. 1: 012132.
Giacomo Chiesa; Andrew Zajch. Geo-climatic applicability of earth-to-air heat exchangers in North America. Energy and Buildings 2019, 202, 1 .
AMA StyleGiacomo Chiesa, Andrew Zajch. Geo-climatic applicability of earth-to-air heat exchangers in North America. Energy and Buildings. 2019; 202 ():1.
Chicago/Turabian StyleGiacomo Chiesa; Andrew Zajch. 2019. "Geo-climatic applicability of earth-to-air heat exchangers in North America." Energy and Buildings 202, no. : 1.
The aim of this paper is to highlight the potentialities of a synergic application of energy analysis and economic analysis for supporting design strategies, considering the effects of the territorial location in terms of energy consumptions and prices/market variations. In order to simulate the effects of the specific projects’ potential location on energy and economic input data, uncertainty is introduced as a proxy in the conjoint energy and economic analysis. A two-phases methodology is proposed, considering, first, a massive set of dynamic energy simulations by EnergyPlus of a sample office unit by varying, in this first step of the research, its location and related envelope thermal insulation levels. Minimal U-values are assumed for each simulation according to the local climate zone in accordance to DM 26.06.15, while simulated energy needs for space heating and cooling are analyzed by using a devoted python script. Second, a stochastic Global Cost calculation is proposed, considering the Global Cost (EN 15459:2007) the fundamental of the Life Cycle Cost Analysis (ISO 15686: 2008, Part 5). In this first step of the work, focus is posed at the Global Cost calculation considering solely the running costs component, in stochastic terms. The Probability Analysis solved through the Monte Carlo Method is used to represent the possible effects of uncertainty on the “energy-economic items” definition, affecting the NPVs results. The Italian territory is considered including 7978 Italian Municipalities and the related climate zones.
Giacomo Chiesa; Elena Fregonara. Energy and Economic Analyses for Supporting Early Design Stages: Introducing Uncertainty in Simulations. Blockchain Technology and Innovations in Business Processes 2019, 49 -60.
AMA StyleGiacomo Chiesa, Elena Fregonara. Energy and Economic Analyses for Supporting Early Design Stages: Introducing Uncertainty in Simulations. Blockchain Technology and Innovations in Business Processes. 2019; ():49-60.
Chicago/Turabian StyleGiacomo Chiesa; Elena Fregonara. 2019. "Energy and Economic Analyses for Supporting Early Design Stages: Introducing Uncertainty in Simulations." Blockchain Technology and Innovations in Business Processes , no. : 49-60.
Building energy consumptions for space cooling is a globally rising voice. Considering the need to reduce the total energy consumptions and related GHG, alternative solutions based on natural heat sinks are essential. Unfortunately, these technologies, such as passive cooling systems, are vey local specific and their geo-climatic applicability needs to be studied to correctly choose and integrate them since early design phases. The paper studies the distribution of climate-related demand for cooling in the Italian context, by mapping local CDH (Cooling Degree Hours) together with the local potential of ventilative cooling dissipative technologies (e.g. controlled natural ventilation), for present and future climate conditions. A geo-referenced matrix – considering all the 7978 Italian Municipalities – of typical meteorological years will be generated and further analysed on hourly base by developing Python scripts. Results of this analysis are visualized in devoted maps of applicability able to underline the local expected potential of wind-driven ventilative solutions. These maps can act as a reference toolkit for designers considering early-design evaluations. Finally, the expected resilience of local climate-potential of these technologies to climate changes is analysed.
Giacomo Chiesa. Climatic potential maps of ventilative cooling techniques in Italian climates including resilience to climate changes. IOP Conference Series: Materials Science and Engineering 2019, 609, 032039 .
AMA StyleGiacomo Chiesa. Climatic potential maps of ventilative cooling techniques in Italian climates including resilience to climate changes. IOP Conference Series: Materials Science and Engineering. 2019; 609 (3):032039.
Chicago/Turabian StyleGiacomo Chiesa. 2019. "Climatic potential maps of ventilative cooling techniques in Italian climates including resilience to climate changes." IOP Conference Series: Materials Science and Engineering 609, no. 3: 032039.
Horizontal ground systems for ventilative cooling/heating, such as earth-to-air heat exchangers (EAHX), are a valid pre-heating and pre-cooling low-energy techniques to reduce the building energy consumptions for space heating and cooling. Nevertheless, the potential of these systems, such as others passive solutions, is local specific and need for devoted design methodologies. In particular, EAHXs need to be included in the design process as soon as possible in order to maximise the potentiality and allow for their integration – operational, technological and environmental issues. The paper will introduce a design methodology to define the local climatic potential of EAHX since the building programming phase by defining specific boundary conditions in well-known bioclimatic chart instruments. The effect of different design choices will be analysed for a set of three representative Italian locations. Furthermore, main functional, operational and environmental requirements will be discussed for this technical system. This analysis is based on the performance-drive approach to environmental and technological design – see for example UNI 8290-2:1983 – and is hence compatible with the technological-design practice and early-design consolidated methodologies.
Giacomo Chiesa. Including EAHX (earth-to-air heat exchanger) in early-design phases considering local bioclimatic potential and specific technological requirements. IOP Conference Series: Materials Science and Engineering 2019, 609, 032040 .
AMA StyleGiacomo Chiesa. Including EAHX (earth-to-air heat exchanger) in early-design phases considering local bioclimatic potential and specific technological requirements. IOP Conference Series: Materials Science and Engineering. 2019; 609 (3):032040.
Chicago/Turabian StyleGiacomo Chiesa. 2019. "Including EAHX (earth-to-air heat exchanger) in early-design phases considering local bioclimatic potential and specific technological requirements." IOP Conference Series: Materials Science and Engineering 609, no. 3: 032040.
Indoor Air Quality (IAQ) issues have a direct impact on the health and comfort of building occupants. In this paper, an experimental low-cost system has been developed to address IAQ issues by using a distributed internet of things platform to control and monitor the indoor environment in building spaces while adopting a data-driven approach. The system is based on several real-time sensor data to model the indoor air quality and accurately control the ventilation system through algorithms to maintain a comfortable level of IAQ by balancing indoor and outdoor pollutant concentrations using the Indoor Air Quality Index approach. This paper describes hardware and software details of the system as well as the algorithms, models, and control strategies of the proposed solution which can be integrated in detached ventilation systems. Furthermore, a mobile app has been developed to inform, in real time, different-expertise-user profiles showing indoor and outdoor IAQ conditions. The system is implemented in a small prototype box and early-validated with different test cases considering various pollutant concentrations, reaching a Technology Readiness Level (TRL) of 3–4.
Giacomo Chiesa; Silvia Cesari; Miguel Garcia; Mohammad Issa; Shuyang Li. Multisensor IoT Platform for Optimising IAQ Levels in Buildings through a Smart Ventilation System. Sustainability 2019, 11, 5777 .
AMA StyleGiacomo Chiesa, Silvia Cesari, Miguel Garcia, Mohammad Issa, Shuyang Li. Multisensor IoT Platform for Optimising IAQ Levels in Buildings through a Smart Ventilation System. Sustainability. 2019; 11 (20):5777.
Chicago/Turabian StyleGiacomo Chiesa; Silvia Cesari; Miguel Garcia; Mohammad Issa; Shuyang Li. 2019. "Multisensor IoT Platform for Optimising IAQ Levels in Buildings through a Smart Ventilation System." Sustainability 11, no. 20: 5777.
The paper introduces a simple methodology to include passive cooling dissipative solutions in early design phases. In order to fulfil this objective, specific Key Performance Indicators (KPI), which are able to analyse the geo-climatic potential of heat sinks, are reported. These indicators are based on the calculation of residual local climate cooling demand—such as introduced by the author in previous works. The specific techniques considered in this paper are natural ventilation, both for comfort and environmental cooling, direct evaporative systems and earth-to-air heat exchangers. The presented method compares these solutions using typical local climate conditions and can be applied before the definition of specific building, from early-design phases. These indicators may be included in bioclimatic tools to optimise the use of passive solutions in early-design phases such as building programming. In addition, an analysis based on a set of reference locations in the Mediterranean area will be included by considering a performance-driven approach to early design, in order to combine KPI in both an environmental and a technological design approach. In this analysis, specific requirements for each considered technology will be defined in order to include a guideline for designers. Finally, climate-change weather forecast will be considered in order to analyse the resilience of the proposed passive cooling solutions under future climate scenarios defined by IPCC. For this analysis, the software Meteonorm is used to generate the morphed typical weather conditions, and the proposed indicators will be applied to study the effect of climate change on the local geo-climatic potential of passive cooling dissipative systems.
Giacomo Chiesa. Geo-Climatic Early-Design Tools and Indicators. Seaside Building Design: Principles and Practice 2019, 537 -549.
AMA StyleGiacomo Chiesa. Geo-Climatic Early-Design Tools and Indicators. Seaside Building Design: Principles and Practice. 2019; ():537-549.
Chicago/Turabian StyleGiacomo Chiesa. 2019. "Geo-Climatic Early-Design Tools and Indicators." Seaside Building Design: Principles and Practice , no. : 537-549.
Parametric and algorithmic scripts and mass-customization solutions are perfect instruments for applying and innovating the requirement-driven approach which was developed in the 60s and 70s (e.g. Ciribini in I componenti nel “performance design”. Politecnico di Torino, Torino, Ciribini 1970). This technological method, which is antithetical to the typological approach, allows for performance evaluation and integration during the different stages of the design process (es. Grosso in Progettazione ecocompatibile dell’architettura. Esselibri, Napoli, pp 307–336, 2005; Chiesa and Grosso in Sustainable building for a cleaner environment. Springer, Cham, pp 285–296, Chiesa and Grosso 2019b). At the same time, it can guarantee a good flexibility and a high quality of design.
Giacomo Chiesa. Scripting and Parametric CAD Modelling for Performance-Driven Design. GNSS for Rail Transportation 2019, 65 -100.
AMA StyleGiacomo Chiesa. Scripting and Parametric CAD Modelling for Performance-Driven Design. GNSS for Rail Transportation. 2019; ():65-100.
Chicago/Turabian StyleGiacomo Chiesa. 2019. "Scripting and Parametric CAD Modelling for Performance-Driven Design." GNSS for Rail Transportation , no. : 65-100.
The first and second digital ages are articulated around the concepts of virtualisation of reality and materialisation of virtuality, with a view to transforming from implicit to explicit links between the different components and knowledge of design and implementation that contribute to the project.
Giacomo Chiesa. Platform—A Space for Project Design and an Interface Between Reality and Virtuality. GNSS for Rail Transportation 2019, 149 -167.
AMA StyleGiacomo Chiesa. Platform—A Space for Project Design and an Interface Between Reality and Virtuality. GNSS for Rail Transportation. 2019; ():149-167.
Chicago/Turabian StyleGiacomo Chiesa. 2019. "Platform—A Space for Project Design and an Interface Between Reality and Virtuality." GNSS for Rail Transportation , no. : 149-167.