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Waste heat driven ammonia-water absorption chiller for high temperature residential-scale applications.

Number: pap. n. 1169

Author(s) : KINI G., TAMBASCO M., CHANDRASEKARAN S., et al.

Summary

The development of a standalone waste-heat driven ammonia-water absorption chiller with a cooling capacity of 10.5 kW is presented. The system is designed to deliver cooling with a nominal COP of 0.6 for ambient temperatures as high as 40°C. To minimize the physical size of the system, heat and mass exchangers with novel microscale features and geometries are employed. Thermodynamic cycle modeling and heat and mass exchanger design and optimization methodologies are discussed. The chiller is fabricated as a packaged unit and its performance over a wide range of operating conditions demonstrated experimentally. This work validates the scalability of microchannel heat exchanger technology from a proof-of-concept laboratory scale device to a residential-scale absorption heat pump.

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Pages: 8

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Details

  • Original title: Waste heat driven ammonia-water absorption chiller for high temperature residential-scale applications.
  • Record ID : 30026519
  • Languages: English
  • Source: Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
  • Publication date: 2019/08/24
  • DOI: http://dx.doi.org/10.18462/iir.icr.2019.1169

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