Synthesis and design of chilled water networks using mathematical optimization

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Title:	Synthesis and design of chilled water networks using mathematical optimization
Authors:	Lee, JY (Lee, Jui-Yuan) Chen, CL (Chen, Cheng-Liang) Wen, TL (Wen, Tong-Lin) Ng, DKS (Ng, Denny Kok Sum) Foo, DCY (Foo, Dominic Chwan Yee) Wang, TC (Wang, Tzu-Chi)
Contributors:	Dept Chem & Mat Engn
Keywords:	Resource conservation Chilled water network Process integration Superstructure modeling Mixed-integer nonlinear program (MINLP)
Date:	2013-09
Issue Date:	2014-02-24 16:56:31 (UTC+8)
Abstract:	This paper presents a mathematical optimization approach for the synthesis and design of chilled water networks. In this work, the main focus is given to efficient use of chilled water, with opportunities for reuse/recycle explored in order to lower the overall chilled water flow rate supplied to the network. Based on a superstructure that includes all possible network connections, mathematical models are developed for different integration schemes. Other than minimizing the chilled water requirement, a conflicting objective is included in the model to reduce network complexity and to improve flexibility. The design problems are formulated as mixed-integer nonlinear programming models. Two industrial case studies are used to illustrate the proposed approach. (C) 2013 Elsevier Ltd. All rights reserved.
Relation:	APPLIED THERMAL ENGINEERING Volume: 58 Issue: 1-2 Pages: 638-649
Appears in Collections:	[Department of Chemical & Materials Engineering] journal articles

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