Mechanics & Industry
Volume 17, Number 2, 2016
|Number of page(s)||8|
|Published online||08 February 2016|
Optimization performance of irreversible refrigerators base on evolutionary algorithm
Department of Petroleum Engineering, Ahwaz Faculty of Petroleum
Engineering, Petroleum University of Technology (PUT), Ahwaz, Iran
2 Mechanical Engineering, Faculty of Mechanical Engineering, K. N. Toosi Univ. of Technology, No. 15–19, Pardis St., Mollasadra Ave., Vanak Sq., Tehran 1999 143344, Iran
3 Imam Khomeini International University, Qazvin, Iran
4 Department of Mechanical Engineering, Pardis Branch, Islamic Azad University, Pardis New City, Tehran, Iran
a Corresponding author: firstname.lastname@example.org
Received: 25 January 2015
Accepted: 19 June 2015
In early works done by authors, performance analysis of refrigeration systems such as power input, refrigeration load and coefficient of performance (COP) was investigated. In this article a new function called “Coefficient of Performance Exergy” or COPE has been introduced. Two objective functions of coefficient of performance exergy and exergy destruction are optimized simultaneously using the multi-objective optimization algorithm NSGAII. COPE has been maximized and exergy destruction has been minimized in order to get the best performance. Decision making has been done by means of two methods of LINAMP and TOPSIS. Finally an error analysis done for optimized values shows that LINAMP method is preferable against TOPSIS method.
Key words: Refrigeration / coefficient of performance / exergy destruction / decision making
© AFM, EDP Sciences 2016
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