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Simulation of an integrated hybrid desiccant vapor-compression cooling system

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  • Worek, William M.
  • Chung-Ju, Moon

Abstract

The performance of a desiccant, integrated, hybrid, vapor-compression cooling system is modeled numerically. The concept of hybrid cooling investigated in this paper utilizes the waste heat rejected from a vapor-compression cycle to activate a desiccant dehumidification cycle. The hybrid system consists of 4 major components: a compressor, an evaporator and 2 desiccant, integrated condensers/dehumidifiers. The equations governing the transport of heat and mass in the desiccant, integrated condenser/dehumidifiers are formulated considering air as the working fluid in the process stream and a refrigerant stream, which is cooled from superheated vapor to subcooled liquid, as the heat source during desorption; a water stream is used to remove the heat generated during adsorption. The governing equations are nondimensionalized and solved for both sorption processes using an explicit finite-difference scheme. The performance of a first generation prototype desiccant, integrated, hybrid, vapor-compression cooling system is then evaluated at ARI conditions.

Suggested Citation

  • Worek, William M. & Chung-Ju, Moon, 1986. "Simulation of an integrated hybrid desiccant vapor-compression cooling system," Energy, Elsevier, vol. 11(10), pages 1005-1021.
    • Handle: RePEc:eee:energy:v:11:y:1986:i:10:p:1005-1021
    DOI: 10.1016/0360-5442(86)90031-9
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    Cited by:

    1. Jagirdar, Mrinal & Lee, Poh Seng, 2018. "Mathematical modeling and performance evaluation of a desiccant coated fin-tube heat exchanger," Applied Energy, Elsevier, vol. 212(C), pages 401-415.
    2. Win-Jet Luo & Dini Faridah & Fikri Rahmat Fasya & Yu-Sheng Chen & Fikri Hizbul Mulki & Utami Nuri Adilah, 2019. "Performance Enhancement of Hybrid Solid Desiccant Cooling Systems by Integrating Solar Water Collectors in Taiwan," Energies, MDPI, vol. 12(18), pages 1-18, September.
    3. Liang, Cai-Hang & Zhang, Li-Zhi & Pei, Li-Xia, 2010. "Performance analysis of a direct expansion air dehumidification system combined with membrane-based total heat recovery," Energy, Elsevier, vol. 35(9), pages 3891-3901.

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