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Energy Performance and Indoor Climate Analysis in Buildings

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ISBN: 9783039213795 / 9783039213801 Year: Pages: 374 DOI: 10.3390/books978-3-03921-380-1 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2019-12-09 11:49:16
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Abstract

HVAC systems, load shifting, indoor climate, and energy and ventilation performance analyses are the key topics when improving energy performance in new and renovated buildings. This development has been boosted by the recently established nearly zero energy building requirements that will soon be in use in all EU Member States, as well as similar long-term zero energy building targets in Japan, the US, and other countries. The research covered in this Special Issue provides evidence of how new technical solutions have worked, in practice, in new or renovated buildings, and also discusses problems and how solutions should be further developed. Another focus is on the more detailed calculation methods needed for the correct design and sizing of dedicated systems, and for accurate quantification of energy savings. Occupant behavior and building operation is also examined, in order to avoid common performance gaps between calculated and measured performance. These topics demonstrate the challenge of high performance buildings as, in the end, comfortable buildings with good indoor climate which are easy and cheap to operate and maintain are expected by end customers. Ventilation performance, heating and cooling, sizing, energy predictions and optimization, load shifting, and field studies are some of the key topics in this Special Issue, contributing to the future of high performance buildings with reliable operation.

Keywords

Jaya algorithm --- smart grid --- optimal energy management --- demand response --- demand side management --- indoor temperature after renovation --- electricity use --- DHW energy use --- user behavior --- standard use --- energy performance modeling --- gray box --- satellite-based solar radiation data --- meteorological reanalysis data --- ISO 52016-1 --- energy efficiency --- HVAC systems --- chiller plants --- chiller performance --- COP --- data-driven analysis --- energy --- building --- ventilation --- cooling --- outdoor air --- air jet --- personalized ventilation --- skin temperature --- CFD --- thermal analysis --- corner impinging jet --- mixing ventilation --- displacement ventilation --- tracer gas --- air exchange effectiveness --- local air change effectiveness --- draught rate --- Monte Carlo method --- ISO 7730 --- TRNSYS --- greenhouse --- indoor temperature uniformity --- multiple sensor nodes --- qualitative control --- corner impinging jet --- corner mixing ventilation --- hybrid displacement device --- heating mode --- thermal comfort --- air exchange effectiveness --- local air change effectiveness --- draught rate, --- downdraught --- smart buildings --- smart readiness indicator --- energy efficiency --- energy performance of buildings directive --- energy flexibility --- load shifting --- demand response --- building energy simulation --- occupant behavior --- energy performance --- indoor climate --- retirement home --- user input data --- condenser evaporative precooling --- rooftop air conditioners --- building energy modelling --- control strategy --- ground source heat pump --- heating power --- sizing --- DHW heating --- space heating --- alternate operation --- daylight --- existing buildings --- daylight factor --- daylight simulations --- daylight survey --- energy efficiency --- student dormitories --- Indoor Environmental Quality (IEQ), Pro-GET-onE H2020 --- in situ measurements --- monitoring measurements --- energy signature --- indoor air quality --- stratification --- basketball hall --- CFD --- field measurement --- single room ventilation unit --- building pressure condition --- stack effect --- wind pressure --- ventilation renovation --- decentralized ventilation unit

Energy and Seismic Renovation Strategies for Sustainable Cities

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ISBN: 9783038979449 / 9783038979456 Year: Pages: 250 DOI: 10.3390/books978-3-03897-945-6 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Arts in general --- Architecture
Added to DOAB on : 2019-06-26 09:16:44
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The principle of sustainability should be strictly connected with safety, since both aim to conserve resources: in the case of sustainability, the resources are typically thought of as environmental, while in the case of safety, the resources are basically human. In spite of this common ground, discussions on sustainability usually give insufficient attention to safety. In the last years the EU has made large investments to increase the energy efficiency of the existing building stock, paving the way for a low-carbon future; however, less effort has been made to enhance its seismic resilience. Therefore, the safety and, consequently, the sustainability of towns situated in earthquake-prone countries remain inadequate. In such countries, energy renovation actions should be combined with seismic retrofitting. However, a number of barriers considerably limit the real possibility of extensively undertaking combined retrofit actions, especially for multi-owner housing and high-rise buildings. These barriers are of different kinds: technical (e.g., unfeasibility and/or ineffectiveness of conventional retrofit solutions), financial (e.g., high renovation costs, insufficient incentives/subsidies), organizational (e.g., occupants’ disruption and relocation, renovation consensus by condominium ownerships), and cultural/social (insufficient information and skills, lack of adequate policy measures for promoting renovation actions). This book aims to overcome these barriers and to bridge the gap between sustainability and safety, so to conserve both human and environmental resources.

PV System Design and Performance

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ISBN: 9783039216222 / 9783039216239 Year: Pages: 360 DOI: 10.3390/books978-3-03921-623-9 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Physics (General)
Added to DOAB on : 2019-12-09 11:49:16
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Photovoltaic solar energy technology (PV) has been developing rapidly in the past decades, leading to a multi-billion-dollar global market. It is of paramount importance that PV systems function properly, which requires the generation of expected energy both for small-scale systems that consist of a few solar modules and for very large-scale systems containing millions of modules. This book increases the understanding of the issues relevant to PV system design and correlated performance; moreover, it contains research from scholars across the globe in the fields of data analysis and data mapping for the optimal performance of PV systems, faults analysis, various causes for energy loss, and design and integration issues. The chapters in this book demonstrate the importance of designing and properly monitoring photovoltaic systems in the field in order to ensure continued good performance.

Keywords

floating PV generation structure --- fiber reinforced polymeric plastic (FRP) --- pultruded FRP --- sheet molding compound FRP --- structural design --- mooring system --- photovoltaic plants --- software development --- performance analysis --- loss analysis --- graphical malfunction detection --- fuzzy logic controller --- maximum power point tracking (MPPT) --- dc-dc converter --- photovoltaic system --- photovoltaic system --- modeling --- stability analysis --- grid-connected --- photovoltaics --- modules --- shade resilience --- buck converter --- module architecture --- PV array --- FCM algorithm --- cluster analysis --- fault diagnosis --- membership algorithm --- solar energy --- photovoltaic module performance --- organic soiling --- Scanning Electron Microscopy (SEM) --- floating PV systems (FPV) --- floating PV module (FPVM) --- ANOVA --- Bartlett’s test --- Hartigan’s dip test --- Jarque-Bera’s test --- Kruskal-Wallis’ test --- Mood’s Median test --- residential buildings --- Tukey’s test --- urban context --- solar cells --- AC parameters --- underdamped oscillation --- impedance spectroscopy --- partial shading --- photo-generated current --- photovoltaic performance --- maximum power point --- image processing --- photovoltaic (PV) systems monitoring --- malfunction detection --- data analysis --- PV systems --- cluster analysis --- failure detection --- ageing and degradation of PV-modules --- performance analysis --- UV-fluorescence imaging --- photovoltaic modeling --- parameter estimation --- optimization problem --- metaheuristic --- opposition-based learning --- quasi-opposition based learning --- improved cuckoo search algorithm --- PV energy performance --- PV thermal performance --- thermal interaction --- conventional roof membrane --- vegetated/green roof --- Renewable Energy --- PV systems --- forecast --- energy --- simulation --- silicon --- photovoltaics --- modules --- electroluminescence --- defects --- cracks --- performance ratio --- annual yield --- GIS --- PV system --- spatial analyses --- performance ratio --- GIS --- PV module --- system --- population density --- urban compactness --- solar farm --- photovoltaics --- reactive power support --- STATCOM --- technical costs --- photovoltaic systems --- reliability --- real data --- energy yield --- fault tree analysis --- failure mode and effect analysis --- availability --- failure rates

Urban Overheating - Progress on Mitigation Science and Engineering Applications

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ISBN: 9783038976363 Year: Pages: 350 DOI: 10.3390/books978-3-03897-637-0 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Meteorology and Climatology --- Science (General)
Added to DOAB on : 2019-04-05 10:34:31
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The combination of global warming and urban sprawl is the origin of the most hazardous climate change effect detected at urban level: Urban Heat Island, representing the urban overheating respect to the countryside surrounding the city. This book includes 18 papers representing the state of the art of detection, assessment mitigation and adaption to urban overheating. Advanced methods, strategies and technologies are here analyzed including relevant issues as: the role of urban materials and fabrics on urban climate and their potential mitigation, the impact of greenery and vegetation to reduce urban temperatures and improve the thermal comfort, the role the urban geometry in the air temperature rise, the use of satellite and ground data to assess and quantify the urban overheating and develop mitigation solutions, calculation methods and application to predict and assess mitigation scenarios. The outcomes of the book are thus relevant for a wide multidisciplinary audience, including: environmental scientists and engineers, architect and urban planners, policy makers and students.

Keywords

heat health --- meteorological modeling --- urban climate --- urban-climate archipelago --- urban heat island --- urban heat island index --- Weather Research and Forecasting model (WRF) --- green area --- built-up area --- air temperature --- measurement --- calculation --- urbanization --- air and surface temperature measurements --- outdoor thermal comfort --- urban heat island --- surface cool island effect --- urban overheating --- urban microclimate --- mitigation strategies --- urban development --- park cool island --- urban cooling --- urban morphology --- micro-climate simulations --- ageing --- emissivity --- measurement --- solar reflectance --- solar reflectance index --- thermal emittance --- urban heat island --- land surface temperature --- “hot spots” --- “cold spots” --- MODIS downscaling --- overheating --- summer heat stress --- urban open space --- shading --- thermal comfort --- Physiologically Equivalent Temperature --- mitigation strategies --- cooling technologies --- cool materials --- WRF-Chem --- urban climate --- air quality --- urban heat island --- surface albedo --- climatic perception --- urban areas --- thermal comfort --- subtropical climate --- cool pavements --- road lighting --- urban heat island --- road surface --- material characterization --- luminance coefficient --- energy savings --- Euramet --- EMPIR 16NRM02 --- building energy performance --- energy simulation --- building retrofit --- multi-objective optimization --- genetic algorithm --- urban overheating --- cost-optimal analysis --- lifecycle analysis --- office buildings --- sustainability --- air temperature --- spectral analysis --- multifractal analysis --- structure functions analysis --- cool roofs --- fine-resolution meteorological modeling --- mobile temperature observations --- urban climate archipelago --- urban heat island --- urban vegetation --- urbanized WRF --- Weather Research and Forecasting model --- multiple linear regression --- urban heat island --- urban climatology --- urban energy balance --- air temperature --- land cover fraction --- urban morphology --- land surface temperature --- heat stress --- urban heat mitigation --- albedo --- cool facades --- spectral reflectance --- urban remote sensing --- empirical line method --- building scale --- local climate zone --- urban climate --- sky view factor --- morphological indicator --- open science --- GIS --- urban heat island --- urban overheating --- non-constructible parcels --- cool surfaces --- urban vegetation --- ENVI-met --- mitigation measures --- Beirut

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MDPI - Multidisciplinary Digital Publishing Institute (4)


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eng (4)


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2019 (4)