A matrix approach for steady-state simulation of heat exchanger networks |
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| Affiliation: | 1. Institute of Chemical Process Systems Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116012, China;2. Key Laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China |
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| Abstract: | A steady-state simulation scheme for heat exchanger networks is presented. This proposal is based on a matrix approach composed by linear equations where network connectivity is addressed in the model explicitly using graph theory. The structure of the algorithm is flexible allowing the inclusion of the evaluation of heat transfer coefficients, physical properties variation in relation to temperature and pseudo-stationary simulations. The application of the proposed scheme is illustrated by the simulation of a heat exchanger network during a certain period considering the fouling rate. |
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