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For the optimization of multi-component system preventive maintenance, the group maintenance strategy was adopted to model and optimize periodic replacement tasks. Based on the analysis of system maintenance cost structure and composition, the mathematical models were established for expected maintenance cost per unit time. And a genetic algorithm based approach was developed to search for the optimal...
For multi-stream plate-fin heat exchangers (MPFHEs), a crucial factor affecting performance is the layer pattern used to distribute hot and cold streams. However, for the design of MPFHE layer pattern, so far it still remains at semi-qualitative, empirical or trial-and-error stage, lacking efficient approaches to obtain the optimum. In this paper, an effective layer pattern optimization model using...
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