Study on Energy Saving of the Air-Conditioning Exhaust Heat Recovery System in Office Buildings

Yan Zou

doi:10.4028/www.scientific.net/AMM.775.44

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 775Study on Energy Saving of the Air-Conditioning...

Study on Energy Saving of the Air-Conditioning Exhaust Heat Recovery System in Office Buildings

Abstract:

The study analyzed the thermal performance of a sensible heat recovery system in an office building in Beijing area. Based on proposing the basic evaluation index of the thermal performance, the study analyzed the effect of outdoor temperature and wind speed on the heat recovery efficiency and the reduction of fresh air load. The analysis results show that, the operation effect of the sensible heat recovery device in winter is better. In winter, the sensible heat efficiency η is higher than 60%, the system has higher EER, and the fresh air load can be reduced more than 50%. While the sensible heat efficiency η is lower than 60% in most time in summer. And in a hot, humid climate, the recovery effect of sensible heat recovery device is significantly reduced.

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Periodical:

Applied Mechanics and Materials (Volume 775)

Pages:

44-49

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.775.44

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Online since:

July 2015

Authors:

Yan Zou*

Keywords:

Amount of Heat Recovery, Energy Efficiency Ratio, Sensible Heat Efficiency, Sensible Heat Recovery Device

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* - Corresponding Author

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