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

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  • Lian Zhang

    (School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
    School of Electrical and Energy, Tianjin Sino-German Vocational Technical College, Tianjin 300350, China)

  • Yu Feng Zhang

    (School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China)

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.

Suggested Citation

  • Lian Zhang & Yu Feng Zhang, 2016. "Research on Heat Recovery Technology for Reducing the Energy Consumption of Dedicated Ventilation Systems: An Application to the Operating Model of a Laboratory," Energies, MDPI, vol. 9(1), pages 1-20, January.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:1:p:24-:d:61668
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    References listed on IDEAS

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    1. Hughes, Ben Richard & Chaudhry, Hassam Nasarullah & Calautit, John Kaiser, 2014. "Passive energy recovery from natural ventilation air streams," Applied Energy, Elsevier, vol. 113(C), pages 127-140.
    2. Ge, Gaoming & Xiao, Fu & Xu, Xinhua, 2011. "Model-based optimal control of a dedicated outdoor air-chilled ceiling system using liquid desiccant and membrane-based total heat recovery," Applied Energy, Elsevier, vol. 88(11), pages 4180-4190.
    3. Lian Zhang & Yu-Feng Zhang, 2014. "Research on Energy Saving Potential for Dedicated Ventilation Systems Based on Heat Recovery Technology," Energies, MDPI, vol. 7(7), pages 1-20, July.
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    Cited by:

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    2. Min-Hwi Kim & Joon-Young Park & Jae-Weon Jeong, 2017. "Energy Saving Potential of a Thermoelectric Heat Pump-Assisted Liquid Desiccant System in a Dedicated Outdoor Air System," Energies, MDPI, vol. 10(9), pages 1-19, September.
    3. Cheon, Seong-Yong & Lim, Hansol & Jeong, Jae-Weon, 2019. "Applicability of thermoelectric heat pump in a dedicated outdoor air system," Energy, Elsevier, vol. 173(C), pages 244-262.
    4. Kai-Shing Yang & Ming-Yean Jiang & Chih-Yung Tseng & Shih-Kuo Wu & Jin-Cherng Shyu, 2020. "Experimental Investigation on the Thermal Performance of Pulsating Heat Pipe Heat Exchangers," Energies, MDPI, vol. 13(1), pages 1-15, January.
    5. Paul Anton Verwiebe & Stephan Seim & Simon Burges & Lennart Schulz & Joachim Müller-Kirchenbauer, 2021. "Modeling Energy Demand—A Systematic Literature Review," Energies, MDPI, vol. 14(23), pages 1-58, November.

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