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ANALYSES OF THE THERMAL EFFICIENCY AND THE OUTPUT POWER IN A JOULE-BRAYTON CYCLE

Kien Chi Le 1, *
  1. University of Technical Education - Ho Chi Minh City
Correspondence to: Kien Chi Le, University of Technical Education - Ho Chi Minh City. Email: pvphuc@hcmuns.edu.vn.
Volume & Issue: Vol. 12 No. 4 (2009) | Page No.: 39-46 | DOI: 10.32508/stdj.v12i4.2230
Published: 2009-02-28

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Copyright The Author(s) 2023. This article is published with open access by Vietnam National University, Ho Chi Minh city, Vietnam. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. 

Abstract

The analyses on Joule-Brayton cycle, which could be used for a high efficiency power generation system, using the temperature and the pressure of compressor have been carried out. As a result, when the ratio of maximum temperature to the minimum temperature in the cycle increased, the thermal efficiency increased. By analyzing the efficiency and the output power, it is understood that the ratio of compressor outlet pressure to the compressor inlet pressure, as well as the pressure ratio across the compressor for maximum thermal efficiency and maximum output power are different. The maximum thermal efficiency could be an important technical parameter; however, the maximum output power is significant in the cost and the size of system. For that reason, depending on the required system for maximum efficiency or for maximum power, the ratio of temperature and pressure are designed

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