[1] Chen Yibo, Chen Jiufa, Umberto Berardi, Qiao Weilai, et al. Heat flow balance and control strategies for a large GSHP [J]. Journal of Southeast University (English Edition), 2013, 29 (1): 92-98. [doi:10.3969/j.issn.1003-7985.2013.01.019]

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Heat flow balance and control strategies for a large GSHP()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

29

Issue:

2013 1

Page:

92-98

Research Field:

Energy and Power Engineering

Publishing date:

2013-03-20

Info

Title:

Heat flow balance and control strategies for a large GSHP

Author(s):

Chen Yibo¹;  Chen Jiufa¹;  Umberto Berardi²;  Qiao Weilai¹;  Chen Junwei¹

¹School of Energy and Environment, Southeast University, Nanjing 210096, China
²Civil and Environmental Engineering, Worcester Polytechnic Institute, Worcester, MA 01609-2280, USA

Keywords:

ground-source heat pump system;  residential building;  heat balance;  control strategy

PACS:

TU831.6

DOI:

10.3969/j.issn.1003-7985.2013.01.019

Abstract:

The possibility of underground imbalance between heat emission and absorption has a negative impact on the performance of ground-source heat pump systems(GSHPs). Numerical and experimental researches were made in a residential building, which is supplied with a GSHP system and a ceiling radiation system combined with a replacement fresh air system. EnergyPlus simulations were used to estimate heating and cooling loads, and to assess the heat generated from the water pump, the fan and the heat pump unit. Then, Fluent simulations were used to compare three different control strategies of handling the underground heat exchange. These simulations were strongly based on an experimentally verified model. It is obtained that a ratio between cooling and heating loads is 5.08∶1 in a case study in Nanjing. Moreover, the control strategy based on the starting time is more efficient and reliable than the temperature and temperature difference strategies to control the underground heat exchange.

References:

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[7] Qiao W. Sustainable operation properties of GSHPs based on building energy analysis used Energyplus[D]. Nanjing: School of Energy and Environment, Southeast University, 2011.
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Memo

Memo:

Biographies: Chen Yibo(1988—), female, graduate; Chen Jiufa(corresponding author), male, doctor, professor, chen.jiufa@126.com.
Citation: Chen Yibo, Chen Jiufa, Umberto Berardi, et al.Heat flow balance and control strategies for a large GSHP[J].Journal of Southeast University(English Edition), 2013, 29(1):92-98.[doi:10.3969/j.issn.1003-7985.2013.01.019]

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