Synthesis and design of chilled water networks using mathematical optimization

Jui Yuan Lee, Cheng Liang Chen, Tong Lin Wen, Denny Kok Sum Ng, Dominic Chwan Yee Foo, Tzu Chi Wang

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)638-649
Number of pages12
JournalApplied Thermal Engineering
Volume58
Issue number1-2
DOIs
Publication statusPublished - 2013

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes
  • Industrial and Manufacturing Engineering

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