Mathematical Programming Approach for the Design of Inter-plant Cooling Water Network
Date Issued
2009
Date
2009
Author(s)
Chang, Chen-Wei
Abstract
To date, research in cooling water system has only focused on a single cooling water network. For the purpose to enhance reuse possibilities of cooling water and to further reduce cooling water requirement, the idea of inter-plant cooling water integration was recently proposed. This work aims to develop a mixed-integer nonlinear program (MINLP) formulation for the synthesis of inter-plant cooling water networks based on superstructures. The newly proposed model can be also used to include some other cooling water integration schemes that have been published in literature.n this work, five different integration schemes are analyzed. For each scheme, two objective functions are considered which involve the minimization of cooling water supply and total annualized cost. In the latter case, two kinds of cost functions are adopted for the estimation of piping cost. An example is used to illustrate the proposed formulation and the optimal results for different schemes are compared with each other. Furthermore, the impact of piping cost on inter-plant cooling water network design is also examined.
Subjects
Optimization
Cooling Water Network
Mixed-interger Nonlinear Program(MINLP)
Type
thesis
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