Geometric Aspects of Assessing the Anticipated Energy Demand of a Designed Single-Family House

Many factors affect energy demand, and knowing their impact is very important for being able to design a low-energy building. In this group of factors, there are those that cannot be changed and improved after the building is constructed, so taking them into account when choosing a project is import...

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Main Authors: Edwin Koźniewski, Beata Sadowska, Karolina Banaszak
Format: Article
Language:English
Published: MDPI AG 2022-05-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/15/9/3308
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author Edwin Koźniewski
Beata Sadowska
Karolina Banaszak
author_facet Edwin Koźniewski
Beata Sadowska
Karolina Banaszak
author_sort Edwin Koźniewski
collection DOAJ
description Many factors affect energy demand, and knowing their impact is very important for being able to design a low-energy building. In this group of factors, there are those that cannot be changed and improved after the building is constructed, so taking them into account when choosing a project is important for energy savings. This group includes geometric parameters. We propose a geometric method of assessing the energy demand of a single-family house. The idea is to predict the level of energy demand by calculating the values of simple geometric parameters in the first stage of design. Based on the analysis of 30 realistically designed single-family houses, we show that the geometric indicators expressed by the base area A<sub>f</sub>, and perimeter <i>P</i> at a fixed building wall height <i>h</i>, perfectly characterize the amount of energy, both usable and final. Moreover, we show linear relationships between the nominated <i>A</i>/<i>V</i> and non-nominated <i>EWA</i>/<i>FA</i>, <i>RC<sub>cd</sub></i> compactness ratios. This relationship allows one indicator to be measured with another. As a result, we show how a designer can use a simple calculated index <i>RC<sub>cd</sub></i> to find out the level of energy demand.
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spelling doaj.art-12e591260e73471dafc9d7e8eb4488b12023-11-23T08:09:27ZengMDPI AGEnergies1996-10732022-05-01159330810.3390/en15093308Geometric Aspects of Assessing the Anticipated Energy Demand of a Designed Single-Family HouseEdwin Koźniewski0Beata Sadowska1Karolina Banaszak2Faculty of Civil Engineering and Environmental Sciences, Bialystok University of Technology, Wiejska Street 45E, 15-351 Bialystok, PolandFaculty of Civil Engineering and Environmental Sciences, Bialystok University of Technology, Wiejska Street 45E, 15-351 Bialystok, PolandFaculty of Building Services, Hydro and Environmental Engineering, Warsaw University of Technology, Nowowiejska Street 20, 00-663 Warszawa, PolandMany factors affect energy demand, and knowing their impact is very important for being able to design a low-energy building. In this group of factors, there are those that cannot be changed and improved after the building is constructed, so taking them into account when choosing a project is important for energy savings. This group includes geometric parameters. We propose a geometric method of assessing the energy demand of a single-family house. The idea is to predict the level of energy demand by calculating the values of simple geometric parameters in the first stage of design. Based on the analysis of 30 realistically designed single-family houses, we show that the geometric indicators expressed by the base area A<sub>f</sub>, and perimeter <i>P</i> at a fixed building wall height <i>h</i>, perfectly characterize the amount of energy, both usable and final. Moreover, we show linear relationships between the nominated <i>A</i>/<i>V</i> and non-nominated <i>EWA</i>/<i>FA</i>, <i>RC<sub>cd</sub></i> compactness ratios. This relationship allows one indicator to be measured with another. As a result, we show how a designer can use a simple calculated index <i>RC<sub>cd</sub></i> to find out the level of energy demand.https://www.mdpi.com/1996-1073/15/9/3308index of annual energy demandcompactness indicatorcorrelationgeometric efficiency of a building
spellingShingle Edwin Koźniewski
Beata Sadowska
Karolina Banaszak
Geometric Aspects of Assessing the Anticipated Energy Demand of a Designed Single-Family House
Energies
index of annual energy demand
compactness indicator
correlation
geometric efficiency of a building
title Geometric Aspects of Assessing the Anticipated Energy Demand of a Designed Single-Family House
title_full Geometric Aspects of Assessing the Anticipated Energy Demand of a Designed Single-Family House
title_fullStr Geometric Aspects of Assessing the Anticipated Energy Demand of a Designed Single-Family House
title_full_unstemmed Geometric Aspects of Assessing the Anticipated Energy Demand of a Designed Single-Family House
title_short Geometric Aspects of Assessing the Anticipated Energy Demand of a Designed Single-Family House
title_sort geometric aspects of assessing the anticipated energy demand of a designed single family house
topic index of annual energy demand
compactness indicator
correlation
geometric efficiency of a building
url https://www.mdpi.com/1996-1073/15/9/3308
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AT beatasadowska geometricaspectsofassessingtheanticipatedenergydemandofadesignedsinglefamilyhouse
AT karolinabanaszak geometricaspectsofassessingtheanticipatedenergydemandofadesignedsinglefamilyhouse