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Irreversible engines—Open cycles                             129

























              Fig. 8.15 Variation of the thermal efficiency and entropy generation rate of the ORC
              with the extraction pressure for three different working fluids.




                        Table 8.7 The ORC data used in the calculations.
                        Parameter                           Quantity

                        Hot fluid inlet temperature (K)     500
                        Hot fluid outlet temperature (K)    380
                        Turbine inlet pressure (bar)        30
                        Turbine inlet temperature (K)       T evp +5
                        Condensation temperature (K)        300




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