Figure P9.9D shows a combined cycle formed by a gas turbine and an organic Rankine botto...

Figure P9.9D shows a combined cycle formed by a gas turbine and an organic Rankine bottoming cycle. Steadystate operating data are labeled on the figure. Owing to internal irreversibilities, the generator electricity output is 95% of the input shaft power. The regenerator preheats air entering the combustor. In the evaporator, hot exhaust gas from the regenerator vaporizes the bottoming cycle working fluid. For each of three working fluids—propane, Refrigerant 22, and Refrigerant 134a—specify workable ranges for p₈, turbine inlet pressure, and T8, turbine inlet temperature; also determine turbine exit pressure p9. For each working fluid, investigate the influence on net combined-cycle electricity production and on combined-cycle thermal efficiency of varying p₈, T₈, and compressor pressure ratio. Identify the bottoming working fluid and operating conditions with greatest net combined-cycle electricity production. Repeat for greatest combined-cycle thermal efficiency. Apply engineering modeling compatible with that used in the text for Rankine cycles and air-standard analysis of gas turbines. Present your analyses, results, and recommendations in a technical article adhering to ASME standards with at least three references.