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Analysis and simulation of modified ammonia/water absorption cycle for power and cooling applications

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  • Dereje S. Ayou
  • Rajagopal Saravanan
  • Joan Carles Bruno
  • Alberto Coronas

Abstract

Combined production of power and cooling can improve energy utilization efficiency significantly. In this paper, a new ammonia/water combined absorption power and cooling cycle is proposed for simultaneous generation of power and cooling. This cycle is a combination of absorption refrigeration and Kalina power cycles. The performance of the cycle was evaluated by using several performance-indicating parameters such as overall thermal efficiency, effective first law efficiency and power/cooling ratio. The influence of key operating parameters—generator, sink and evaporator temperatures on the cycle performance—was investigated. The proposed combined absorption cycle has an energy consumption that is lower by around 12% than that when using the separate cycles (regenerative ORC and single-effect ammonia/water absorption refrigeration cycle) at the base-case conditions considered. Copyright , Oxford University Press.

Suggested Citation

  • Dereje S. Ayou & Rajagopal Saravanan & Joan Carles Bruno & Alberto Coronas, 2013. "Analysis and simulation of modified ammonia/water absorption cycle for power and cooling applications," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 8(suppl_1), pages 19-26, April.
    • Handle: RePEc:oup:ijlctc:v:8:y:2013:i:suppl_1:p:i19-i26
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    File URL: http://hdl.handle.net/10.1093/ijlct/ctt032
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    Cited by:

    1. Hernández-Magallanes, J.A. & Heard, C.L. & Best, R. & Rivera, W., 2018. "Modeling of a new absorption heat pump-transformer used to produce heat and power simultaneously," Energy, Elsevier, vol. 165(PA), pages 112-133.

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