[1] Sun Tingting, Ni Long, Yao Yang, Ma Zuiliang, et al. Application of water loop variable refrigerant flowair-conditioning system in large-scale buildings in northern China [J]. Journal of Southeast University (English Edition), 2010, 26 (2): 197-200. [doi:10.3969/j.issn.1003-7985.2010.02.011]

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Application of water loop variable refrigerant flowair-conditioning system in large-scale buildings in northern China()

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

Volumn:

26

Issue:

2010 2

Page:

197-200

Research Field:

Energy and Power Engineering

Publishing date:

2010-06-30

Info

Title:

Application of water loop variable refrigerant flowair-conditioning system in large-scale buildings in northern China

Author(s):

Sun Tingting;  Ni Long;  Yao Yang;  Ma Zuiliang

School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China

Keywords:

variable refrigerant flow;  air-conditioning system;  water loop;  large-scale building

PACS:

TU831

DOI:

10.3969/j.issn.1003-7985.2010.02.011

Abstract:

A water loop variable refrigerant flow(WLVRF)air-conditioning system is designed to be applied in large-scale buildings in northern China.The system is energy saving and it is an integrated system consisting of a variable refrigerant flow(VRF)air-conditioning unit, a water loop and an air source heat pump.The water loop transports energy among different regions in the buildings instead of refrigerant pipes, decreasing the scale of the VRF air-conditioning unit and improving the performance.Previous models for refrigerants and building loads are cited in this investigation.Mathematical models of major equipment and other elements of the system are established using the lumped parameter method based on the DATAFIT software and the MATLAB software.The performance of the WLVRF system is simulated.The initial investments and the running costs are calculated based on the results of market research.Finally, a contrast is carried out between the WLVRF system and the traditional VRF system.The results show that the WLVRF system has a better working condition and lower running costs than the traditional VRF system.

References:

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[5] Zhang C Y, Liao Z T.A typical application with the water cooled digital variable multiunit [J].China Construction Heating & Refrigeration, 2009, 9(3):46-49.(in Chinese)
[6] Lu Y J, Ma Z L, Zou P H.Heating, ventilation and air conditioning [M].Beijing:China Architecture & Building Press, 2002.(in Chinese)
[7] Jiang Y Q.Study on heating optimal energy balance point of the water heater/chiller units of air source heat pump [D].Harbin:School of Municipal and Environmental Engineering of Harbin University of Civil Engineering and Architecture, 1999.(in Chinese)
[8] Wu Y Z.Designing guidance of small refrigeration appliances [M].Beijing:China Architecture & Building Press, 2001.(in Chinese)
[9] Wang Q F.System dynamics[M].Beijing:Tsinghua University Press, 1994.(in Chinese)
[10] School of Building Technology Science of Tsinghua University.Meteorological data set of typical meteorological year for building thermal environment analysis in China[M].Beijing:China Architecture & Building Press, 2005.(in Chinese)

Memo

Memo:

Biographies: Sun Tingting(1985—), female, graduate;Yao Yang(corresponding anthor), female, professor, yangyao1963@163.com.
Citation: Sun Tingting, Ni Long, Yao Yang, et al.Application of water loop variable refrigerant flow air-conditioning system in large-scale buildings in northern China[J].Journal of Southeast University(English Edition), 2010, 26(2):197-200.

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