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Impact of Operating Parameters on Beta Type Regenerative Stirling Machine Performances

[+] Author Affiliations
Houda Hachem, Ramla Gheith, Sassi Ben Nasrallah

University of Monastir, Monastir, Tunisia

Fethi Aloui

University of Valenciennes, Valenciennes, France

Paper No. AJKFluids2015-22088, pp. V001T22A002; 8 pages
doi:10.1115/AJKFluids2015-22088
From:
  • ASME/JSME/KSME 2015 Joint Fluids Engineering Conference
  • Volume 1: Symposia
  • Seoul, South Korea, July 26–31, 2015
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-5721-2
  • Copyright © 2015 by ASME

abstract

Due to its high efficiency, fast cool-down, small size, light weight, low power consumption, high reliability, Stirling cycle machine has many successful commercial applications such as heating and cooling. In the present paper, performances of a Beta type Stirling machine having a regenerative displacer were investigated. Energy analysis is reproduced taking into account complex phenomena related to compressible fluid mechanics, thermodynamics and heat transfer. A special attention is paid to the effect of such operating parameters as pressure, temperature, frequency and cooling water flow rate on Beta type regenerative Stirling machine performances. A MATLAB program was developed. Net cooling capacity, imputed work and COP inside the machine were assumed and compared to the experimental values. Comparing the results obtained by this code with experimental data, an acceptable agreement can be deduced for the predicted performance of the Stirling machine. The optimum speed is investigated.

Copyright © 2015 by ASME
Topics: Machinery

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