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Investigation of elastocaloric cooling option in a solar energy-driven system.

Author(s) : AL-HAMED K. H. M., DINCER I., ROSEN M. A.

Type of article: IJR article

Summary

According to studies of solid-state cooling devices, the elastocaloric cooling device is now considered as a promising future cooling device that will soon reach the market and be competitive, as well as meet the increasing cooling demands of the hot regions in the world. Thus, in this work, the viability of using an elastocaloric cooling device with a solar energy-driven system is assessed and compared thermodynamically to a typical combined cooling and power system for the first time. These two systems are then compared first under the conditions of electricity and cooling demands of a community in Jeddah City. The present results show the overall energy and exergy efficiencies are higher for the novel system than the conventional system by differences of 4.63% and 1.10%, respectively. Also, the elastocaloric cooling device has a lower exergy destruction rate than the absorption chiller by a factor of 1.7. Then, parametric studies are conducted, and the findings show two main things. Firstly, the elastocaloric cooling device is more flexible in meeting higher cooling demands, above 262% cooling percentage, than the absorption chiller is. Secondly, the threshold point for the energetic COP of the elastocaloric cooling device has been identified to be 4.25 so that it becomes competitive in the market of cooling devices.

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Pages: 340-356

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Details

  • Original title: Investigation of elastocaloric cooling option in a solar energy-driven system.
  • Record ID : 30027860
  • Languages: English
  • Subject: Technology
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 120
  • Publication date: 2020/12
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2020.07.015
  • Document available for consultation in the library of the IIR headquarters only.

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