Energy saving by using Double Skin Façade for office buildings in the UAE

There is more demand on glazed façades for high-rise buildings which, increase cooling loads especially in hot and arid climate. Double skin façade is widely used to reduce energy loads and provide visually transparent façades, it has become more popular in cold climates because of the evident abili...

وصف كامل

محفوظ في:
التفاصيل البيبلوغرافية
المؤلف الرئيسي: Ashour, Mohamed (author)
منشور في: 2014
الموضوعات:
الوصول للمادة أونلاين:http://bspace.buid.ac.ae/handle/1234/926
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author Ashour, Mohamed
author_facet Ashour, Mohamed
author_role author
dc.creator.none.fl_str_mv Ashour, Mohamed
dc.date.none.fl_str_mv 2014-03
2016-12-06T08:10:08Z
2016-12-06T08:10:08Z
dc.format.none.fl_str_mv application/pdf
dc.identifier.none.fl_str_mv 2013117150
http://bspace.buid.ac.ae/handle/1234/926
dc.language.none.fl_str_mv en
dc.publisher.none.fl_str_mv The British University in Dubai (BUiD)
dc.subject.none.fl_str_mv energy saving
double skin facade
office buildings
United Arab Emirates (UAE)
high-rise buildings
ventilated double skin façade
solar heat gain
Dubai
hot climate
dc.title.none.fl_str_mv Energy saving by using Double Skin Façade for office buildings in the UAE
dc.type.none.fl_str_mv Project
description There is more demand on glazed façades for high-rise buildings which, increase cooling loads especially in hot and arid climate. Double skin façade is widely used to reduce energy loads and provide visually transparent façades, it has become more popular in cold climates because of the evident ability of the double skin façade to reduce heating loads, on the other hand many studies have shown potential energy savings by using double skin façade in hot climate as well, it is thought to be as a result of ventilating the channel between the external and internal façade. This study attempted to simulate the thermal performance of the double skin façade in high-rise office building in Dubai city, where temperature could reach over 42 ᵒC in summer. The study examined different parameters that could affect the performance of the double skin façade such as, channel width, glazing type, and natural ventilation mode. Results showed that double skin façade can reduce cooling loads regardless the channel was ventilated or not as result of reduced solar gain by the external façade. The results also showed up to 20% savings in cooling plant sensible annual load and 8% savings in total annual energy consumption, computer simulation were used to estimate thermal performance of the façade and also computational fluid dynamic analysis was used in a partial section of the model to simulate thermal behavior inside the channel. More comprehensive evaluation is recommended for double skin façade system, to balance between cost increase when adding another skin to the building and total running cost savings by reducing annual total energy consumption.
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oai_identifier_str oai:bspace.buid.ac.ae:1234/926
publishDate 2014
publisher.none.fl_str_mv The British University in Dubai (BUiD)
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spelling Energy saving by using Double Skin Façade for office buildings in the UAEAshour, Mohamedenergy savingdouble skin facadeoffice buildingsUnited Arab Emirates (UAE)high-rise buildingsventilated double skin façadesolar heat gainDubaihot climateThere is more demand on glazed façades for high-rise buildings which, increase cooling loads especially in hot and arid climate. Double skin façade is widely used to reduce energy loads and provide visually transparent façades, it has become more popular in cold climates because of the evident ability of the double skin façade to reduce heating loads, on the other hand many studies have shown potential energy savings by using double skin façade in hot climate as well, it is thought to be as a result of ventilating the channel between the external and internal façade. This study attempted to simulate the thermal performance of the double skin façade in high-rise office building in Dubai city, where temperature could reach over 42 ᵒC in summer. The study examined different parameters that could affect the performance of the double skin façade such as, channel width, glazing type, and natural ventilation mode. Results showed that double skin façade can reduce cooling loads regardless the channel was ventilated or not as result of reduced solar gain by the external façade. The results also showed up to 20% savings in cooling plant sensible annual load and 8% savings in total annual energy consumption, computer simulation were used to estimate thermal performance of the façade and also computational fluid dynamic analysis was used in a partial section of the model to simulate thermal behavior inside the channel. More comprehensive evaluation is recommended for double skin façade system, to balance between cost increase when adding another skin to the building and total running cost savings by reducing annual total energy consumption.The British University in Dubai (BUiD)2016-12-06T08:10:08Z2016-12-06T08:10:08Z2014-03Projectapplication/pdf2013117150http://bspace.buid.ac.ae/handle/1234/926enoai:bspace.buid.ac.ae:1234/9262018-10-05T11:23:15Z
spellingShingle Energy saving by using Double Skin Façade for office buildings in the UAE
Ashour, Mohamed
energy saving
double skin facade
office buildings
United Arab Emirates (UAE)
high-rise buildings
ventilated double skin façade
solar heat gain
Dubai
hot climate
title Energy saving by using Double Skin Façade for office buildings in the UAE
title_full Energy saving by using Double Skin Façade for office buildings in the UAE
title_fullStr Energy saving by using Double Skin Façade for office buildings in the UAE
title_full_unstemmed Energy saving by using Double Skin Façade for office buildings in the UAE
title_short Energy saving by using Double Skin Façade for office buildings in the UAE
title_sort Energy saving by using Double Skin Façade for office buildings in the UAE
topic energy saving
double skin facade
office buildings
United Arab Emirates (UAE)
high-rise buildings
ventilated double skin façade
solar heat gain
Dubai
hot climate
url http://bspace.buid.ac.ae/handle/1234/926