Impacts of duct leakage on central outdoor-air conditioning for commercial-building VAV systems
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- 作者：Sreenidhi Krishnamoorthy ; sreenidhik@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Mark Modera mpmodera@ucdavis.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Air conditioning ; Duct leakage ; Variable air volume ; Energy efficiency ; Fan power ; Peak demand
- 刊名：Energy & Buildings
- 出版年：2016
- 出版时间：1 May 2016
- 年：2016
- 卷：119
- 期：Complete
- 页码：340-351
- 全文大小：1573 K
文摘
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Duct leakage loss model for VAV buildings is developed.
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Leakage increases electricity and natural gas use by 2.04 kWh/m2 and 0.17 scm/m2.
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Total cost savings for sealing 90% leakage is reported.
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Maximum savings (49–65%) are from reduced fan power and fan heat.
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Outdoor air-conditioning savings represent 10–20% of total savings.