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Journal of Applied Sciences and Environmental Management
World Bank assisted National Agricultural Research Project (NARP) - University of Port Harcourt
ISSN: 1119-8362
Vol. 22, No. 1, 2018, pp. 60-65
Bioline Code: ja18011
Full paper language: English
Document type: Research Article
Document available free of charge

Journal of Applied Sciences and Environmental Management, Vol. 22, No. 1, 2018, pp. 60-65

 en Estimation of exit temperatures in the isentropic compression of real gases
MONAGO, KO & DAWODU, OT

Abstract

This paper presents the estimation of exit temperatures in the isentropic compression of real gases based on the Peng-Robinson equation of state and entropy balance method. The methods were applied to Ar, N2, CH4, CO2, C2H4 and C2H6. Data obtained revealed that isentropic exponent method provides useful results for monatomic and diatomic gases while it is less useful when applied to polyatomic gases. Furthermore, the results obtained in this work show that the use of relative gravity to correlate compressor calculations for gaseous mixtures can lead to serious error in certain cases.

Keywords
Peng-Robinson equation of state; isentropic compression; entropy balance; pressure-volume exponent method

 
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