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Energies 2016, 9(1), 24; doi:10.3390/en9010024

Research on Heat Recovery Technology for Reducing the Energy Consumption of Dedicated Ventilation Systems: An Application to the Operating Model of a Laboratory

1
School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
2
School of Electrical and Energy, Tianjin Sino-German Vocational Technical College, Tianjin 300350, China
*
Author to whom correspondence should be addressed.
Academic Editor: Nyuk Hien Wong
Received: 27 August 2015 / Revised: 25 October 2015 / Accepted: 9 November 2015 / Published: 4 January 2016
(This article belongs to the Special Issue Energy Efficient Building Design 2016)
View Full-Text   |   Download PDF [3334 KB, uploaded 4 January 2016]   |  

Abstract

In this research, the application of heat pipes in the air handler dedicated to decoupling dehumidification from cooling to reduce energy consumption was simulated and investigated by simulations and experimental studies. The cooling load profiles and heat pipes with effectiveness of 0.45 and 0.6, respectively, were evaluated in achieving the desired space conditions and calculated hour by hour. The results demonstrated that for all examined cases, a heat pipe heat exchanger (HPHX) can be used to save over 80% of the energy during the hours of operation of air conditioning. The overall energy reduction rate was from 3.2% to 4.5% under air conditioning system conditions. It was found that the energy saving potential of a laboratory was higher than for other kinds of buildings. Therefore, the dedicated ventilation system combined with heat recovery technology can be efficiently applied to buildings, especially for laboratories in subtropical areas. View Full-Text
Keywords: heat pipe heat exchanger (HPHX); fresh air (FA); energy saving; thermal comfort heat pipe heat exchanger (HPHX); fresh air (FA); energy saving; thermal comfort
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zhang, L.; Zhang, Y.F. Research on Heat Recovery Technology for Reducing the Energy Consumption of Dedicated Ventilation Systems: An Application to the Operating Model of a Laboratory. Energies 2016, 9, 24.

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