Problem #3: Consider the power cycle shown in the figure. The conditions for the streams are shown in the table. The turbine has 85% efficiency, and the pump has a 45 % efficiency. Specify any assumptions. Determine: 3.1. Find the isentropic work per unit mass [kJ/kg] produced by the turbine. 3.2 Find the actual work per unit mass [kJ/kg] and power W [kW] 3.3 Find actual stream 2 3.4 Find the heat transferred at the condenser q [kJ/kg] and Q [kW] 3.5 Find the isentropic work per unit mass given to the pump [kJ/kg] 3.6 Find the actual work per unit mass w [kJ/kg] and power W [kW] 3.7 Find actual stream 4 3.8 Find the heat transferred at the boiler [kJ/kg] and QBoiler [kW] 3.9 Find the cycle efficiency WTurbine / QBoiler.

Problem #3: Consider the power cycle shown in the figure. The conditions for the streams are shown in the table. The turbine has 85% efficiency, and the pump has a 45 % efficiency. Specify any assumptions. a Determine: 3.1. Find the isentropic work per unit mass (kJ/kg) produced by the turbine. 3.2 Find the actual" work per unit mass [kJ/kg] and power W [kW] 3.3 Find "actual stream 2 3.4 Find the heat transferred at the condenser "q" (kJ/kg] and Q [kW] 3.5 Find the isentropic work per unit mass given to the pump (kJ/kg] 3.6 Find the "actual" work per unit mass "w" (kJ/kg] and power "W" [kW] 3.7 Find "actual" stream 4 3.8 Find the heat transferred at the boiler (kJ/kg] and QBoiler [kW] 3.9 Find the cycle efficiency WTurbire / QBoiler Ww :-WT Wp w Qc Table 3.1: Process Data - Working fluid: water m [kg/s] P [MPa] 10 5 [C] 300 h (kJ/kg] X State Stream 1 2 3 4 0.3 75