Study on Passive Heating Involving Firewalls with an Additional Sunlight Room in Rural Residential Buildings

With the growth in China’s economic GDP, energy consumption has increased year by year. The energy demand of rural residential buildings is 223 million tons of standard coal equivalent, accounting for 24% of the national energy demand. Therefore, an energy-saving design for rural residences is neces...

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Autores principales:	Simin Yang, Bart Dewancker, Shuo Chen
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	firewall–additional sunlight system passive heating rural residential buildings southern Shaanxi software analysis Medicine R
Acceso en línea:	https://doaj.org/article/98f7f447917542abaccb059c111a3c53
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id	oai:doaj.org-article:98f7f447917542abaccb059c111a3c53
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spelling	oai:doaj.org-article:98f7f447917542abaccb059c111a3c532021-11-11T16:18:05ZStudy on Passive Heating Involving Firewalls with an Additional Sunlight Room in Rural Residential Buildings10.3390/ijerph1821111471660-46011661-7827https://doaj.org/article/98f7f447917542abaccb059c111a3c532021-10-01T00:00:00Zhttps://www.mdpi.com/1660-4601/18/21/11147https://doaj.org/toc/1661-7827https://doaj.org/toc/1660-4601With the growth in China’s economic GDP, energy consumption has increased year by year. The energy demand of rural residential buildings is 223 million tons of standard coal equivalent, accounting for 24% of the national energy demand. Therefore, an energy-saving design for rural residences is necessary. This research took the traditional residences in southern Shaanxi as the research object and combined the cooking methods in southern Shaanxi with solar heating, proposing a sunlight heating system with an additional firewall. The system is composed of a firewall system and a sunlight system. The combination of the two systems prolongs the heating time and makes up for the lack of intermittent heating. The firewall principle involves using the heat generated by cooking through the heat storage and heat release capacity of the wall, and using the principle of heat radiation and convection to increase the indoor temperature. Meanwhile, the principle of the additional sunlight room involves using the external facade of the building to establish an additional sunlight room, by absorbing the heat radiation of the sun and using the principle of heat transfer from the wall. The rapid loss of indoor hot air is avoided, the heating time is prolonged, and part of the heat is retained, thereby improving the heating efficiency. A model was established based on the typical residential model in southern Shaanxi, and the presence or absence of solar radiation on the wall was used as the research variable. Using ANSYS software to simulate the analysis, it is concluded that the firewall–sunlight system can extend the heating time and meet the continuous heating demand, and the heating effect is better than that of the firewall heating system alone. When the walls have solar radiation, the annual heat load reduction rate of the buildings under the new system is 20.21%. When the walls do not have solar radiation, the annual heat load reduction rate of the buildings under the new system is 8.56%.Simin YangBart DewanckerShuo ChenMDPI AGarticlefirewall–additional sunlight systempassive heatingrural residential buildingssouthern Shaanxisoftware analysisMedicineRENInternational Journal of Environmental Research and Public Health, Vol 18, Iss 11147, p 11147 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	firewall–additional sunlight system passive heating rural residential buildings southern Shaanxi software analysis Medicine R
spellingShingle	firewall–additional sunlight system passive heating rural residential buildings southern Shaanxi software analysis Medicine R Simin Yang Bart Dewancker Shuo Chen Study on Passive Heating Involving Firewalls with an Additional Sunlight Room in Rural Residential Buildings
description	With the growth in China’s economic GDP, energy consumption has increased year by year. The energy demand of rural residential buildings is 223 million tons of standard coal equivalent, accounting for 24% of the national energy demand. Therefore, an energy-saving design for rural residences is necessary. This research took the traditional residences in southern Shaanxi as the research object and combined the cooking methods in southern Shaanxi with solar heating, proposing a sunlight heating system with an additional firewall. The system is composed of a firewall system and a sunlight system. The combination of the two systems prolongs the heating time and makes up for the lack of intermittent heating. The firewall principle involves using the heat generated by cooking through the heat storage and heat release capacity of the wall, and using the principle of heat radiation and convection to increase the indoor temperature. Meanwhile, the principle of the additional sunlight room involves using the external facade of the building to establish an additional sunlight room, by absorbing the heat radiation of the sun and using the principle of heat transfer from the wall. The rapid loss of indoor hot air is avoided, the heating time is prolonged, and part of the heat is retained, thereby improving the heating efficiency. A model was established based on the typical residential model in southern Shaanxi, and the presence or absence of solar radiation on the wall was used as the research variable. Using ANSYS software to simulate the analysis, it is concluded that the firewall–sunlight system can extend the heating time and meet the continuous heating demand, and the heating effect is better than that of the firewall heating system alone. When the walls have solar radiation, the annual heat load reduction rate of the buildings under the new system is 20.21%. When the walls do not have solar radiation, the annual heat load reduction rate of the buildings under the new system is 8.56%.
format	article
author	Simin Yang Bart Dewancker Shuo Chen
author_facet	Simin Yang Bart Dewancker Shuo Chen
author_sort	Simin Yang
title	Study on Passive Heating Involving Firewalls with an Additional Sunlight Room in Rural Residential Buildings
title_short	Study on Passive Heating Involving Firewalls with an Additional Sunlight Room in Rural Residential Buildings
title_full	Study on Passive Heating Involving Firewalls with an Additional Sunlight Room in Rural Residential Buildings
title_fullStr	Study on Passive Heating Involving Firewalls with an Additional Sunlight Room in Rural Residential Buildings
title_full_unstemmed	Study on Passive Heating Involving Firewalls with an Additional Sunlight Room in Rural Residential Buildings
title_sort	study on passive heating involving firewalls with an additional sunlight room in rural residential buildings
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/98f7f447917542abaccb059c111a3c53
work_keys_str_mv	AT siminyang studyonpassiveheatinginvolvingfirewallswithanadditionalsunlightroominruralresidentialbuildings AT bartdewancker studyonpassiveheatinginvolvingfirewallswithanadditionalsunlightroominruralresidentialbuildings AT shuochen studyonpassiveheatinginvolvingfirewallswithanadditionalsunlightroominruralresidentialbuildings
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Study on Passive Heating Involving Firewalls with an Additional Sunlight Room in Rural Residential Buildings

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