期刊
COMPUTERS & CHEMICAL ENGINEERING
卷 46, 期 -, 页码 205-216出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compchemeng.2012.06.030
关键词
Process simulation; Multi-objective optimization; Absorption cycle; Cost analysis; Life cycle assessment
资金
- Spanish Ministry of Education and Science [ENE 2011-28269-CO3-03]
- Spanish Ministry of External Affairs [PHB 2008-0090-PC]
- Conselleria de Educacion of the Generalitat Valenciana [BEST/2010/085]
This work addresses the optimization of ammonia-water absorption cycles for cooling and refrigeration applications with economic and environmental concerns. Our approach combines the capabilities of process simulation, multi-objective optimization (MOO), cost analysis and life cycle assessment (LCA). The optimization task is posed in mathematical terms as a multi-objective mixed-integer nonlinear program (moMINLP) that seeks to minimize the total annualized cost and environmental impact of the cycle. This moMINLP is solved by an outer-approximation strategy that iterates between primal nonlinear programming (NLP) subproblems with fixed binaries and a tailored mixed-integer linear programming (MILP) model. The capabilities of our approach are illustrated through its application to an ammonia-water absorption cycle used in cooling and refrigeration applications. (C) 2012 Elsevier Ltd. All rights reserved.
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