Optimal Planning of a Cascade-Type Multistage Refrigeration System for a Beverage Plant

[+] Author and Article Information
T. Shiba, K. Ito, R. Yokoyama

Department of Energy Systems Engineering, Osala Prefecture University, 1-1, Galuen-cfio, Sakai, Osaka, 599-8531 Japan

S. Sakashita, Y. Himura

Total Energy Management System Division, Mayekawa Manufacturing Co., Ltd., 14-15, Botan 3, Koto-ku, Tokyo, 135-8482 Japan

J. Energy Resour. Technol 121(4), 262-267 (Dec 01, 1999) (6 pages) doi:10.1115/1.2795992 History: Received November 23, 1998; Revised July 16, 1999; Online November 06, 2007


An optimal planning method is presented for a cascade-type multistage refrigeration system. Heat exchange areas of evaporator, condenser, and beverage cooler are determined optimally so as to minimize the annual total cost and input energy consumption subject to constraints concerning annual equipment operation. This problem is considered as a multiobjective optimization one, and a discrete set of Pareto optimal solutions is derived numerically by a weighting method. Through a numerical study, it is investigated how the heat exchange areas influence the long-term economics and energy conservation. Cascade-type multistage refrigeration systems are compared with single-stage systems.

Copyright © 1999 by The American Society of Mechanical Engineers
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