Chapter 9, Problem 9.17P

In a Steam Power Plant steam enters the turbine at 6 bar and 400 C and is expanded isentropic ally to the condenser pressure of 0.1 bar. Find the condition of the exhaust steam and determine the cycle efficiency.

A power plant operating in a Reheat Rankine Cycle produces steam at 3 MPa, 600oC in the boiler. It keeps the condenser at 45oC by transfer of 10 MW out as heat transfer. The first turbine section (high-pressure) expands to 500 kPa and then flow is reheated followed by the expansion in the low-pressure turbine. Provide a detailed solution. Avoid shortcuts. Determine the mass flow rate (kg/s)

A power plant operating in a Reheat Rankine Cycle produces steam at 3 MPa, 600oC in the boiler. It keeps the condenser at 45oC by transfer of 10 MW out as heat transfer. The first turbine section (high-pressure) expands to 500 kPa and then flow is reheated followed by the expansion in the low-pressure turbine. Provide a detailed solution. Avoid shortcuts. Show how much is the net power output (kW)

When a steam boiler generates saturated steam at 2.5 mpa and the condenser pressure is 20 kpa, what is the Rankine cycle efficiency?Show complete step-by-step process and solution.

Find the COP of the simple vapor compression refrigeration cycle R-134a. The evaporation temperature is -5 ° C and the condenser temperature is 30 ° C. COP ?

In an ideal steam cycle, steam at (20 bar, 360 C°) is expanded in a turbine to (0.08 bar). It then enters a condenser where it is condensed to saturated liquid water. Then the 4- pump feeds back the water into the boiler. Find per kg of steam (a) Wnet (b) nth (c) if(nr = nP = 80%), find the percentage reduction in wnet andnth Ans. (a) 969.61 (kj/kg) (b) 32.5% (c) 20.1 % (d) 20.1 %

Consider an ideal steam reheat cycle where steam enters the high-pressure turbine at 3.0 MPa, 400°C, and then expands to 0.8 MPa. It is then reheated to 400°C and expands to 10 kPa in the low-pressure turbine. For the engine, find W and ec

A reheat steam cycle has 13500 kPa throttle pressure at the turbine inlet and 2800 kPa reheat pressure. The throttle and reheat temperature of the steam is 540°C The condenser pressure is 3.4 kPa. Find the cycle thermal efficiency in %. Note: At 13.5 MPa, tsat = 333.88 deg C, sf = 3.5921 kJ/kg-K, sg = 5.4022 kJ/kg-K

A reheat steam cycle has 13500 kPa throttle pressure at the turbine inlet and 2800 kPa reheat pressure. The throttle and reheat temperature of the steam is 540°C. The condenser pressure is 3.4 kPa. Find the cycle thermal efficiency in %. Note: At 13.5 MPa, tsat 333.88 deg C, sf = 3.5921 kJ/kg-K, Sg = 5.4022 kJ/kg-K. If the steam table is needed, please use the green book entitled "Thermodynamics Properties of Water Including Vapor, Liquid, and Solid Phases" by Keenan, Keyes, Hill, and Moore.