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Innovations in energy efficient and environmentally friendly space-conditioning systems

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  • Garimella, Srinivas

Abstract

This paper discusses several different approaches to increase the energy efficiency and decrease the environmental impact of space-conditioning systems. The use of microchannel components and hydronic coupling is presented as a method to drastically reduce the size and refrigerant inventories of the refrigerant-carrying components of vapor-compression heat pumps. Design aspects of heat pumps using carbon dioxide, a natural refrigerant with minimal environmental impact, are discussed, and novel component geometries that offer compactness are presented. The advantages of absorption heat pumps using waste heat and natural gas are discussed, and innovative component designs are presented. It is believed that these innovations will hasten the commercialization of these environmentally benign alternatives to CFC- and HCFC-based vapor-compression systems. The environmental benefits of waste heat-driven absorption chillers are quantified in terms of the energy savings, greenhouse gas emission reductions, and installed electric power reductions. Ground coupling of these heat pumps is also discussed, with specific examples of the performance improvement over similar air-coupled heat pumps.

Suggested Citation

  • Garimella, Srinivas, 2003. "Innovations in energy efficient and environmentally friendly space-conditioning systems," Energy, Elsevier, vol. 28(15), pages 1593-1614.
    • Handle: RePEc:eee:energy:v:28:y:2003:i:15:p:1593-1614
    DOI: 10.1016/S0360-5442(03)00120-8
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    Citations

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    Cited by:

    1. Sanaye, Sepehr & Chahartaghi, Mahmood, 2010. "Thermal modeling and operating tests for the gas engine-driven heat pump systems," Energy, Elsevier, vol. 35(1), pages 351-363.
    2. Elgendy, E. & Schmidt, J., 2010. "Experimental study of gas engine driven air to water heat pump in cooling mode," Energy, Elsevier, vol. 35(6), pages 2461-2467.
    3. Jonathan Ibarra-Bahena & Rosenberg J. Romero, 2014. "Performance of Different Experimental Absorber Designs in Absorption Heat Pump Cycle Technologies: A Review," Energies, MDPI, vol. 7(2), pages 1-16, February.
    4. Ozgener, Leyla & Ozgener, Onder, 2010. "Energetic performance test of an underground air tunnel system for greenhouse heating," Energy, Elsevier, vol. 35(10), pages 4079-4085.
    5. Elgendy, E. & Schmidt, J. & Khalil, A. & Fatouh, M., 2011. "Performance of a gas engine driven heat pump for hot water supply systems," Energy, Elsevier, vol. 36(5), pages 2883-2889.
    6. Fatouh, M. & Elgendy, E., 2011. "Experimental investigation of a vapor compression heat pump used for cooling and heating applications," Energy, Elsevier, vol. 36(5), pages 2788-2795.
    7. Alimohammadisagvand, Behrang & Jokisalo, Juha & Kilpeläinen, Simo & Ali, Mubbashir & Sirén, Kai, 2016. "Cost-optimal thermal energy storage system for a residential building with heat pump heating and demand response control," Applied Energy, Elsevier, vol. 174(C), pages 275-287.
    8. Pulat, Erhan & Coskun, Salih & Unlu, Kursat & Yamankaradeniz, Nurettin, 2009. "Experimental study of horizontal ground source heat pump performance for mild climate in Turkey," Energy, Elsevier, vol. 34(9), pages 1284-1295.
    9. Michopoulos, A. & Zachariadis, T. & Kyriakis, N., 2013. "Operation characteristics and experience of a ground source heat pump system with a vertical ground heat exchanger," Energy, Elsevier, vol. 51(C), pages 349-357.
    10. Kai, Takami & Uemura, Yoshimitsu & Teraoka, Yukio & Takahashi, Takeshige & Hatate, Yasuo & Yoshida, Masahiro, 2008. "Design and operation of an air-conditioning system fueled by wood pellets," Renewable Energy, Elsevier, vol. 33(4), pages 720-725.
    11. Rattner, Alexander S. & Garimella, Srinivas, 2011. "Energy harvesting, reuse and upgrade to reduce primary energy usage in the USA," Energy, Elsevier, vol. 36(10), pages 6172-6183.

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