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Citation:
　Boumedienne M. Beladjine,Ahmed Ouadha,Yacine Addad.Thermodynamic Analysis of Hydrocarbon Refrigerants-Based Ethylene BOG Re-liquefaction System[J].Journal of Marine Science and Application,2016,(3):321-330.[doi:10.1007/s11804-016-1371-9]
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Thermodynamic Analysis of Hydrocarbon Refrigerants-Based Ethylene BOG Re-liquefaction System

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Title:
Thermodynamic Analysis of Hydrocarbon Refrigerants-Based Ethylene BOG Re-liquefaction System
Author(s):
Boumedienne M. Beladjine1;  Ahmed Ouadha1;  Yacine Addad1; 2
Affilations:
Author(s):
Boumedienne M. Beladjine1;  Ahmed Ouadha1;  Yacine Addad1; 2
1. Laboratoire des Sciences et Ingénierie Maritimes, Faculté de Génie Mécanique, Université des Sciences et de la Technologie Mohamed BOUDIAF d’Oran, Oran El-Mnouar, 31000 Oran, Algérie;
2. Khalifa University of Science, Technology and Research, P.O. Box 127788, Abu Dhabi, UAE
Keywords:
ethylene BOG;  re-liquefaction; thermodynamic analysis;  hydrocarbon refrigerants
分类号:
-
DOI:
10.1007/s11804-016-1371-9
Abstract:
The present study aims to make a thermodynamic analysis of an ethylene cascade re-liquefaction systemthat consists of the following two subsystems: a liquefaction cycle using ethylene as the working fluid and a refrigeration cycle operating with a hydrocarbon refrigerant. The hydrocarbon refrigerants considered are propane (R290), butane (R600), isobutane (R600a), and propylene (R1270). A computer program written in FORTRAN is developed to compute parameters for characteristic points of the cycles and the system’s performance, which is determined and analyzed using numerical solutions for the refrigerant condensation temperature, temperature in tank, and temperature difference in the cascade condenser. Results show that R600a gives the best performance, followed by (in order) R600, R290, and R1270. Furthermore, it is found that an increase in tank temperature improves system performance but that an increase in refrigerant condensation temperature causes deterioration.In addition, it is found that running the system at a low temperature difference in the cascade condenser is advantageous.

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Memo

Memo:
Received date: 2015-11-7;Accepted date: 2016-4-1。
Corresponding author: Ahmed Ouadha,E-mail:ah_ouadha@yahoo.fr
Last Update: 2016-09-02