Adapted strategy for large-scale assessment of solar potential on facades in urban areas focusing on the reflection component

The objective of this paper is to propose an adapted method of calculation to evaluate the solar potential on building facades on a large scale. Autonomous electricity supply is nowadays an important issue, particularly during the winter. Thus the facades of buildings, which are better irradiated in...

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Main Authors: Raybaud Blaise, Desthieux Gilles
Format: Article
Language:English
Published: Elsevier 2022-01-01
Series:Solar Energy Advances
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2667113122000183
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author Raybaud Blaise
Desthieux Gilles
author_facet Raybaud Blaise
Desthieux Gilles
author_sort Raybaud Blaise
collection DOAJ
description The objective of this paper is to propose an adapted method of calculation to evaluate the solar potential on building facades on a large scale. Autonomous electricity supply is nowadays an important issue, particularly during the winter. Thus the facades of buildings, which are better irradiated in winter than the roofs, can provide a response to this issue. Research has been focusing for several years on fine modeling of radiative phenomena in an urban environment. The first challenge is to obtain a physically realistic model considering the phenomena of local reflections. The second challenge is to succeed in implementing this type of simulations on large scales. These two issues are antagonistic: the first implies making the model more complex while the second implies simplifying it. This paper proposes a calculation strategy to reconcile the two issues based on a simplified radiosity method. The results obtained via this strategy were compared to those obtained by measurement and simulation on a theoretical canyon. Subsequently, this calculation strategy has been deployed to real districts in Geneva, Switzerland.
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spelling doaj.art-d59da869feed4d2593044e1b28511e8c2022-12-22T03:51:56ZengElsevierSolar Energy Advances2667-11312022-01-012100030Adapted strategy for large-scale assessment of solar potential on facades in urban areas focusing on the reflection componentRaybaud Blaise0Desthieux Gilles1Haute école du paysage d'ingénierie et d'architecture de Genève (HEPIA), Institute for Landscaping Architecture Construction and Territory (inPACT), University of Applied Sciences Western Switzerland, (HES-SO), Geneva, SwitzerlandCorresponding author.; Haute école du paysage d'ingénierie et d'architecture de Genève (HEPIA), Institute for Landscaping Architecture Construction and Territory (inPACT), University of Applied Sciences Western Switzerland, (HES-SO), Geneva, SwitzerlandThe objective of this paper is to propose an adapted method of calculation to evaluate the solar potential on building facades on a large scale. Autonomous electricity supply is nowadays an important issue, particularly during the winter. Thus the facades of buildings, which are better irradiated in winter than the roofs, can provide a response to this issue. Research has been focusing for several years on fine modeling of radiative phenomena in an urban environment. The first challenge is to obtain a physically realistic model considering the phenomena of local reflections. The second challenge is to succeed in implementing this type of simulations on large scales. These two issues are antagonistic: the first implies making the model more complex while the second implies simplifying it. This paper proposes a calculation strategy to reconcile the two issues based on a simplified radiosity method. The results obtained via this strategy were compared to those obtained by measurement and simulation on a theoretical canyon. Subsequently, this calculation strategy has been deployed to real districts in Geneva, Switzerland.http://www.sciencedirect.com/science/article/pii/S2667113122000183Solar potentialFacadeReflectionRadiosityPhotovoltaicUrban scale
spellingShingle Raybaud Blaise
Desthieux Gilles
Adapted strategy for large-scale assessment of solar potential on facades in urban areas focusing on the reflection component
Solar Energy Advances
Solar potential
Facade
Reflection
Radiosity
Photovoltaic
Urban scale
title Adapted strategy for large-scale assessment of solar potential on facades in urban areas focusing on the reflection component
title_full Adapted strategy for large-scale assessment of solar potential on facades in urban areas focusing on the reflection component
title_fullStr Adapted strategy for large-scale assessment of solar potential on facades in urban areas focusing on the reflection component
title_full_unstemmed Adapted strategy for large-scale assessment of solar potential on facades in urban areas focusing on the reflection component
title_short Adapted strategy for large-scale assessment of solar potential on facades in urban areas focusing on the reflection component
title_sort adapted strategy for large scale assessment of solar potential on facades in urban areas focusing on the reflection component
topic Solar potential
Facade
Reflection
Radiosity
Photovoltaic
Urban scale
url http://www.sciencedirect.com/science/article/pii/S2667113122000183
work_keys_str_mv AT raybaudblaise adaptedstrategyforlargescaleassessmentofsolarpotentialonfacadesinurbanareasfocusingonthereflectioncomponent
AT desthieuxgilles adaptedstrategyforlargescaleassessmentofsolarpotentialonfacadesinurbanareasfocusingonthereflectioncomponent