THERMODYNAMIC PERFORMANCE ANALYSIS OF GAS LIQUEFACTION CYCLES FOR CRYOGENIC APPLICATIONS

Year 2019, Volume: 5 Issue: 1, 62 - 75, 03.10.2018

Ceyhun Yılmaz

https://doi.org/10.18186/thermal.513038

Cited By: 18

Abstract

In this paper presents an analysis of the thermodynamic cycles the
most commonly used for the liquefaction of gases in order to evaluate and
compare their performance under given working conditions and system component
efficiencies. The cycles considered are simple Linde-Hampson cycle, precooled
Linde-Hampson cycle, Claude cycle, and Kapitza cycle. First and second law
relations are investigated for each cycle and performance parameters are
evaluated. Thermodynamically performances criteria are compared of cycles with
respect to the each other. Cycles are model in the computer environment and
analyzed with Engineering Equation Solver (EES) software program. Cycles of the
liquefaction fractions, coefficient of performances and second law of
efficiencies are calculated for the liquefaction of different gases. Second law
efficiencies are calculated as 13.4%, 21.8%, 62.9%, and 77.2% for simple
Linde-Hampson cycle, pre-cooled Linde-Hampson cycle, Claude cycle, and Kapitza
cycle, respectively. Claude and Kapitza cycles give better performance but
simple and precooled Linde-Hampson cycle has the advantages of the simplicity
of their setup. 

Keywords

Cryogenic Cycles, Linde-Hampson, Claude, Kapitza, J-T Expansion, Thermodynamic Analysis

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