Multi-criteria Synthesis of Flexible Heat-exchanger Networks with Uncertain Source-stream Temperatures
Resource
Chemical Engineering and Processing 44 (1): 89-100
Journal
Chemical Engineering and Processing
Journal Volume
44
Journal Issue
1
Pages
89-100
Date Issued
2005
Date
2005
Author(s)
Hung, Ping-Sung
Abstract
A multi-criteria synthesis strategy for heat-exchanger networks (HENs) simultaneously considering minimum utility consumption, maximum source-stream temperature flexibility, and even minimum number of matches is proposed. The flexible HEN synthesis problem is formulated as a multi-objective mixed-integer linear programming (MO-MILP). For handling the multiple conflict design targets, a two-phase fuzzy multi-criteria decision-making method is presented to attain a best compromised solution. Two numerical examples with flexibility preferences in source-stream temperatures are supplied, demonstrating that the proposed strategy can provide definite and feasible compensatory solutions for multi-criteria HEN synthesis problems. © 2004 Elsevier B.V. All rights reserved.
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Type
journal article
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