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Integrated combined heating, cooling and electricity system based on triple-effect free-piston Stirling configuration.

Author(s) : SUN Y., LUO K., WANG J., LUO E., HU J., WU Z., ZHANG L., ZENG Y., CHI J.

Type of article: IJR article

Summary

Conventional combined cooling, heating, and power (CCHP) systems, involving multiple energy conversion technologies, are composed of a variety of coupled subsystems with different working principles. To solve the problems of bulky structure, operational complexity, and high initial investment cost, a novel integrated combined heating, cooling, and electricity system based on the same energy conversion technology with a triple-effect free-piston Stirling configuration was proposed. Compared with the traditional system, the novel integrated system can cool, heat, and generate power using one machine without introducing additional devices. Some verification experiments were tested on a built experimental platform to validate the feasibility of the concept of this configuration. The result shows that the system was able to obtain the highest values of COPc, COPh, and the output performance coefficient of 0.26, 1.28, and 1.54, respectively, which can save 39 % of energy consumption compared with traditional independent energy-supplying systems when providing the same cooling and heating capacity and electricity under typical working conditions. It is expected that the reported result can facilitate a practical application in decentralized CCHP systems.

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Pages: 117-121

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Details

  • Original title: Integrated combined heating, cooling and electricity system based on triple-effect free-piston Stirling configuration.
  • Record ID : 30032416
  • Languages: English
  • Subject: Technology
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 164
  • Publication date: 2024/08
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2024.04.010

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