Simulating and Comparing Different Vertical Greenery Systems Grouped into Categories Using EnergyPlus

The use of vegetation for the energy efficiency of buildings is an increasingly widespread practice; therefore, the possibility of representing these systems correctly with the use of simulation software is essential. VGS performances have been widely studied, but currently, the lack of a unique sim...

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Main Authors: Alberto Arenghi, Camilla Perra, Marco Caffi
Format: Article
Language:English
Published: MDPI AG 2021-05-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/11/11/4802
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author Alberto Arenghi
Camilla Perra
Marco Caffi
author_facet Alberto Arenghi
Camilla Perra
Marco Caffi
author_sort Alberto Arenghi
collection DOAJ
description The use of vegetation for the energy efficiency of buildings is an increasingly widespread practice; therefore, the possibility of representing these systems correctly with the use of simulation software is essential. VGS performances have been widely studied, but currently, the lack of a unique simulation method to assess the efficiency of different types of VGS and the absence of studies evaluating the performances of all the systems available, proposing simulation models for each of them, leads to an incomplete energy representation. The aim of this study is to achieve a consistent and complete simulation method, comparing the different systems’ performances. The research is made up of five main steps. Firstly, a classification to group these systems into specific categories was proposed; secondly an in-depth analysis of existing literature was worked out to establish the methods used for different types of VGS. The study of plant physiology allowed the definition of an energy balance, which is valid for all vegetated surfaces; then, each category was associated to a mathematical formula and finally integrated into the EnergyPlus software. The results achieved for each model were compared evaluating two important parameters for the termohygrometric conditions control: outside walls face temperatures and operative temperatures.
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spelling doaj.art-b83a736db2f5404da89ec0de2e42ce5b2023-11-21T21:04:46ZengMDPI AGApplied Sciences2076-34172021-05-011111480210.3390/app11114802Simulating and Comparing Different Vertical Greenery Systems Grouped into Categories Using EnergyPlusAlberto Arenghi0Camilla Perra1Marco Caffi2Department of Civil, Architectural, Environmental Engineering and Mathematics (DICATAM), University of Brescia, 25123 Brescia, ItalyFree Lance Architectural Engineer in Brescia, 25128 Brescia, ItalyDepartment of Civil, Architectural, Environmental Engineering and Mathematics (DICATAM), University of Brescia, 25123 Brescia, ItalyThe use of vegetation for the energy efficiency of buildings is an increasingly widespread practice; therefore, the possibility of representing these systems correctly with the use of simulation software is essential. VGS performances have been widely studied, but currently, the lack of a unique simulation method to assess the efficiency of different types of VGS and the absence of studies evaluating the performances of all the systems available, proposing simulation models for each of them, leads to an incomplete energy representation. The aim of this study is to achieve a consistent and complete simulation method, comparing the different systems’ performances. The research is made up of five main steps. Firstly, a classification to group these systems into specific categories was proposed; secondly an in-depth analysis of existing literature was worked out to establish the methods used for different types of VGS. The study of plant physiology allowed the definition of an energy balance, which is valid for all vegetated surfaces; then, each category was associated to a mathematical formula and finally integrated into the EnergyPlus software. The results achieved for each model were compared evaluating two important parameters for the termohygrometric conditions control: outside walls face temperatures and operative temperatures.https://www.mdpi.com/2076-3417/11/11/4802Vertical Greenery Systems (VGS)classificationcomparison of different types of VGSmathematical modeling and thermohygrometric analysisEnergyPlus
spellingShingle Alberto Arenghi
Camilla Perra
Marco Caffi
Simulating and Comparing Different Vertical Greenery Systems Grouped into Categories Using EnergyPlus
Applied Sciences
Vertical Greenery Systems (VGS)
classification
comparison of different types of VGS
mathematical modeling and thermohygrometric analysis
EnergyPlus
title Simulating and Comparing Different Vertical Greenery Systems Grouped into Categories Using EnergyPlus
title_full Simulating and Comparing Different Vertical Greenery Systems Grouped into Categories Using EnergyPlus
title_fullStr Simulating and Comparing Different Vertical Greenery Systems Grouped into Categories Using EnergyPlus
title_full_unstemmed Simulating and Comparing Different Vertical Greenery Systems Grouped into Categories Using EnergyPlus
title_short Simulating and Comparing Different Vertical Greenery Systems Grouped into Categories Using EnergyPlus
title_sort simulating and comparing different vertical greenery systems grouped into categories using energyplus
topic Vertical Greenery Systems (VGS)
classification
comparison of different types of VGS
mathematical modeling and thermohygrometric analysis
EnergyPlus
url https://www.mdpi.com/2076-3417/11/11/4802
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AT camillaperra simulatingandcomparingdifferentverticalgreenerysystemsgroupedintocategoriesusingenergyplus
AT marcocaffi simulatingandcomparingdifferentverticalgreenerysystemsgroupedintocategoriesusingenergyplus