Question: Rankine Cycle 1. Consider a Steam Power Plant operating on the simple Ideal Rankine Cycle. The steam enters the turbine at 3 Mpa and is condensed in the condenser at a pressure of 75 Kpa. Determine the thermal efficiency of the cycle. 2. Removing the condenser from problem #1, boiler feed water at atmospheric pressure 100 kPa and 30 C is pumped into boiler

Rankine Cycle 1. Consider a Steam Power Plant operating on the simple Ideal Rankine Cycle. The steam enters the turbine at 3 Mpa and is condensed in the condenser at a pressure of 75 Kpa. Determine the thermal efficiency of the cycle. 2. Removing the condenser from problem #1, boiler feed water at atmospheric pressure 100 kPa and 30 C is pumped into boiler which produces dry saturated steam at 30 bar. This steam enters a steam turbine and is expanded isentropic ally to atmospheric pressure and freely discharged into the atmospheric pressure. Find: a. Thermal Efficiency of the plant b. Work Ratio c. Specific steam consumption 3. By adding a condenser to the steam plant to problem#2 the turbine back pressure was reduced to 0.2 bar. Find. a. The condition of the exhaust steam from the turbine. b. The network output and thermal efficiency C. If the steam flow rate is 10000 kg/hr, find the power output of the plant 4. In problem no.3, if the isentropic efficiency of the turbine and the pump are 80% and 85% respectively. Find a. the thermal efficiency and the net power output b. the condition of the exhaust steam from the turbine. 5. Considering Basic Rankine Cycle with condenser to attain the lowest possible pressure, determine the effective boiler pressure, that will give highest thermal efficiency. 1. Consider a Steam Power Plant operating on the simple Ideal Rankine Cycle. The steam enters the turbine at 3 Mpa and is condensed in the condenser at a pressure of 75 Kpa. Determine the thermal efficiency of the cycle. 2. Removing the condenser from problem #1, boiler feed water at atmospheric pressure 100 kPa and 30°C is pumped into boiler which produces dry saturated steam at 30 bar. This steam enters a steam turbine and is expanded isentropic ally to atmospheric pressure and freely discharged into the atmospheric pressure. Find: a. Thermal Efficiency of the plant b. Work Ratio c. Specific steam consumption 3. By adding a condenser to the steam plant to problem#2 the turbine back pressure was reduced to 0.2 bar. Find. a. The condition of the exhaust steam from the turbine. b. The network output and thermal efficiency c. If the steam flow rate is 10000 kg/hr, find the power output of the plant. 4. In problem no.3, if the isentropic efficiency of the turbine and the pump are 80% and 85% respectively. Find a. the thermal efficiency and the net power output b. the condition of the exhaust steam from the turbine. 5. Considering Basic Rankine Cycle with condenser to attain the lowest possible pressure, determine the effective boiler pressure, that will give highest thermal efficiency.