Optimal design of net zero energy residential buildings in tropical climate

The building sector is the largest consumer of energy worldwide and puts substantial pressure on primary energy sources. The residential buildings in Malaysia consume 21.25 % of total electricity generation due to the hot and humid climate, which enforces massive air conditioning systems. Net Zero E...

Full description

Saved in:

Bibliographic Details
Main Author:	Sharif, Hafiz Zafar
Format:	Thesis
Language:	English English English
Published:	2021
Subjects:	T Technology (General)
Online Access:	http://eprints.uthm.edu.my/8419/1/24p%20HAFIZ%20ZAFAR%20SHARIF.pdf http://eprints.uthm.edu.my/8419/2/HAFIZ%20ZAFAR%20SHARIF%20COPYRIGHT%20DECLARATION.pdf http://eprints.uthm.edu.my/8419/3/HAFIZ%20ZAFAR%20SHARIF%20WATERMARK.pdf
Tags:	Add Tag No Tags, Be the first to tag this record!

id	my-uthm-ep.8419
record_format	uketd_dc
spelling	my-uthm-ep.84192023-02-26T07:18:07Z Optimal design of net zero energy residential buildings in tropical climate 2021-05 Sharif, Hafiz Zafar T Technology (General) The building sector is the largest consumer of energy worldwide and puts substantial pressure on primary energy sources. The residential buildings in Malaysia consume 21.25 % of total electricity generation due to the hot and humid climate, which enforces massive air conditioning systems. Net Zero Energy Residential Buildings (NZERBs) are an acceptable solution to reduce pressure on the primary sources of energy. Still, it is challenging to design an NZERB of low BEI and small PV systems in a tropical climate. This study aimed to design NZERB in a tropical climate and optimized Building Energy Intensity ≤ 80 kWh/m2/year. In the first step, simulation tools sufficient accuracy validated by a comparative study between the predicted and actual energy consumption of experimentally verified NZERB in Muscat. For, base-case building design as per IECC-2015, energy simulation tool HAP predicted BEI of 147.72 kWh/m2/year and PVWatts calculator estimated 28 kW PV system to balance the energy demand. Two optimization approaches, Taguchi Orthogonal Arrays and RSM-Box-Behnken used in this study. Taguchi Orthogonal approach used for the selection of the most influential factors due to its less computing time. After identifying significant factors, RSM-Box-Behnken technique with Design-Expert tool used to develop the prescriptive path requirements to design NZERB in a tropical climate. For optimal building design, energy simulation tool HAP predicted BEI of 67.085 kWh/m2/year (54% smaller), and PVWatts calculator predicted 13 kW system (53.57% smaller), as compared to the base-case building design. These results suggest that selected methodology to design and optimized NZERBs has sufficient accuracy and results of prescriptive path requirements are reliable to design NZERBs in a tropical climate without energy modelling. 2021-05 Thesis http://eprints.uthm.edu.my/8419/ http://eprints.uthm.edu.my/8419/1/24p%20HAFIZ%20ZAFAR%20SHARIF.pdf text en public http://eprints.uthm.edu.my/8419/2/HAFIZ%20ZAFAR%20SHARIF%20COPYRIGHT%20DECLARATION.pdf text en staffonly http://eprints.uthm.edu.my/8419/3/HAFIZ%20ZAFAR%20SHARIF%20WATERMARK.pdf text en validuser phd doctoral Universiti Tun Hussein Onn Malaysia Fakulti Kejuruteraan Mekanikal dan Pembuatan
institution	Universiti Tun Hussein Onn Malaysia
collection	UTHM Institutional Repository
language	English English English
topic	T Technology (General)
spellingShingle	T Technology (General) Sharif, Hafiz Zafar Optimal design of net zero energy residential buildings in tropical climate
description	The building sector is the largest consumer of energy worldwide and puts substantial pressure on primary energy sources. The residential buildings in Malaysia consume 21.25 % of total electricity generation due to the hot and humid climate, which enforces massive air conditioning systems. Net Zero Energy Residential Buildings (NZERBs) are an acceptable solution to reduce pressure on the primary sources of energy. Still, it is challenging to design an NZERB of low BEI and small PV systems in a tropical climate. This study aimed to design NZERB in a tropical climate and optimized Building Energy Intensity ≤ 80 kWh/m2/year. In the first step, simulation tools sufficient accuracy validated by a comparative study between the predicted and actual energy consumption of experimentally verified NZERB in Muscat. For, base-case building design as per IECC-2015, energy simulation tool HAP predicted BEI of 147.72 kWh/m2/year and PVWatts calculator estimated 28 kW PV system to balance the energy demand. Two optimization approaches, Taguchi Orthogonal Arrays and RSM-Box-Behnken used in this study. Taguchi Orthogonal approach used for the selection of the most influential factors due to its less computing time. After identifying significant factors, RSM-Box-Behnken technique with Design-Expert tool used to develop the prescriptive path requirements to design NZERB in a tropical climate. For optimal building design, energy simulation tool HAP predicted BEI of 67.085 kWh/m2/year (54% smaller), and PVWatts calculator predicted 13 kW system (53.57% smaller), as compared to the base-case building design. These results suggest that selected methodology to design and optimized NZERBs has sufficient accuracy and results of prescriptive path requirements are reliable to design NZERBs in a tropical climate without energy modelling.
format	Thesis
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
author	Sharif, Hafiz Zafar
author_facet	Sharif, Hafiz Zafar
author_sort	Sharif, Hafiz Zafar
title	Optimal design of net zero energy residential buildings in tropical climate
title_short	Optimal design of net zero energy residential buildings in tropical climate
title_full	Optimal design of net zero energy residential buildings in tropical climate
title_fullStr	Optimal design of net zero energy residential buildings in tropical climate
title_full_unstemmed	Optimal design of net zero energy residential buildings in tropical climate
title_sort	optimal design of net zero energy residential buildings in tropical climate
granting_institution	Universiti Tun Hussein Onn Malaysia
granting_department	Fakulti Kejuruteraan Mekanikal dan Pembuatan
publishDate	2021
url	http://eprints.uthm.edu.my/8419/1/24p%20HAFIZ%20ZAFAR%20SHARIF.pdf http://eprints.uthm.edu.my/8419/2/HAFIZ%20ZAFAR%20SHARIF%20COPYRIGHT%20DECLARATION.pdf http://eprints.uthm.edu.my/8419/3/HAFIZ%20ZAFAR%20SHARIF%20WATERMARK.pdf
_version_	1776103341279936512

Optimal design of net zero energy residential buildings in tropical climate

Similar Items