Multi-Objective Optimization of Organic Rankine Cycle Power Plants Using Pure and Mixed Working Fluids†
AbstractFor zeotropic mixtures, the temperature varies during phase change, which is opposed to the isothermal phase change of pure fluids. The use of such mixtures as working fluids in organic Rankine cycle power plants enables a minimization of the mean temperature difference of the heat exchangers, which is beneficial for cycle performance. On the other hand, larger heat transfer surface areas are typically required for evaporation and condensation when zeotropic mixtures are used as working fluids. In order to assess the feasibility of using zeotropic mixtures, it is, therefore, important to consider the additional costs of the heat exchangers. In this study, we aim at evaluating the economic feasibility of zeotropic mixtures compared to pure fluids. We carry out a multi-objective optimization of the net power output and the component costs for organic Rankine cycle power plants using low-temperature heat at 90
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Andreasen, J.G.; Kærn, M.R.; Pierobon, L.; Larsen, U.; Haglind, F. Multi-Objective Optimization of Organic Rankine Cycle Power Plants Using Pure and Mixed Working Fluids. Energies 2016, 9, 322.
Andreasen JG, Kærn MR, Pierobon L, Larsen U, Haglind F. Multi-Objective Optimization of Organic Rankine Cycle Power Plants Using Pure and Mixed Working Fluids. Energies. 2016; 9(5):322.Chicago/Turabian Style
Andreasen, Jesper G.; Kærn, Martin R.; Pierobon, Leonardo; Larsen, Ulrik; Haglind, Fredrik. 2016. "Multi-Objective Optimization of Organic Rankine Cycle Power Plants Using Pure and Mixed Working Fluids." Energies 9, no. 5: 322.
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