Question

In: Mechanical Engineering

A simple ideal Rankine cycle with water as the working fluid operates between the pressure limits...

A simple ideal Rankine cycle with water as the working fluid operates between the pressure limits of 4 MPa in the boiler and 5 kPa in the condenser and a turbine inlet temperature of 700°C. The boiler is sized to provide a steam flow of 50 kg/s. Determine the power produced by the turbine and consumed by the pump. Use steam tables.

Find the values of power produced by the turbine and consumed by the pump in kW

Solutions

Expert Solution

In this problem, first of all calculate the enthalpy at each state of the cycle then calculate the power for pump and power from turbine as below:

samet mamat answered 3 years ago
Next > < Previous

Related Solutions

10–15E A simple ideal Rankine cycle with water as the working fluid operates between the pressure...
10–15E A simple ideal Rankine cycle with water as the working fluid operates between the pressure limits of 2500 psia in the boiler and 5 psia in the condenser. What is the minimum temperature required at the turbine inlet such that the quality of the steam leaving the turbine is not below 80 percent. When operated at this temperature, what is the thermal efficiency of this cycle?
Consider a simple ideal Rankine cycle which uses water as the working fluid. The boiler pressure...
Consider a simple ideal Rankine cycle which uses water as the working fluid. The boiler pressure is 6100 kPa and the condenser pressure is 30 kPa. At the turbine inlet, steam is at 480°C. The isentropic efficiency of the turbine is 92 percent. The pump losses are negligible and the water leaving the condenser is subcooled by 6.3°C. The boiler is sized for a mass flow rate of 20 kg/s. Determine the following values. The temperature at the pump inlet....
A steam power plant working on a simple ideal Rankine cycle between the pressure limits 85...
A steam power plant working on a simple ideal Rankine cycle between the pressure limits 85 atm and 40 kN/m. The temperature of the steam at the turbine inlet 655. The mass flow rate of steam through the cycle is 52 kes show the cycle on a T-S diagram with respect to the saturation lines and determine: 1) Show the cycle on a block diagram and a TS diagram with respect to saturation lines 2) The turbine inlet temperature. 3)...
An ideal Rankine cycle operates between the pressure limits of 15 MPa in the boiler and...
An ideal Rankine cycle operates between the pressure limits of 15 MPa in the boiler and 50 kPa in the condenser. The boiler generates steam at a mass flow rate of 50 kg/s and it enters the turbine at a temperature of 1100 °C. a) Calculate the net output of the cycle b) Calculate the thermal efficiency of the cycle.
Consider a simple ideal Rankine cycle which uses water as the working fluid. The net power...
Consider a simple ideal Rankine cycle which uses water as the working fluid. The net power of power plant is 220-MW. At the turbine inlet, steam is at 9 MPa and 560°C. The condenser pressure is 20 kPa. Determine the following values.   The temperature at the pump inlet. °CThe specific enthalpy at the pump inlet. kJ/kgThe specific volume at the pump inlet. m3/kgThe pump work. kJ/kgThe temperature at pump exit. °CThe specific entropy at turbine inlet. kJ/kg·KThe quality of steam...
3.A simple Rankine cycle uses water as the working fluid. The boiler operates at 6000 kPa...
3.A simple Rankine cycle uses water as the working fluid. The boiler operates at 6000 kPa and the condenser at 50 kPa. At the entrance to the turbine, the temperature is 450°C. The isentropic efficiency of the turbine is 90 percent, pressure and pump losses are negligible, and the water leaving the condenser is subcooled by 6.3°C. The boiler is sized for a mass flow rate of 20 kg/s. Determine (a) the rate at which heat is added in the...
An ideal Rankine cycle with reheat uses water as the working fluid. As shown in the...
An ideal Rankine cycle with reheat uses water as the working fluid. As shown in the figure below, the conditions at the inlet to the first turbine stage are 1600 lbf/in.2, 1200°F and the steam is reheated to a temperature of T3 = 800°F between the turbine stages at a pressure of p3 = p2 = 400 lbf/in.2 For a condenser pressure of p5 = p4 = 5 lbf/in.2, determine: (a) the quality of the steam at the second-stage turbine...
An ideal vapor compression refrigeration cycle with R134a as the working fluid operates between the pressure...
An ideal vapor compression refrigeration cycle with R134a as the working fluid operates between the pressure limits of 200 kPa and 1200 kPa. Determine a) the mass fraction of the refrigerant that is in the liquid phase at the inlet of the evaporator, and b) the amount of heat transfer (in kJ/kg) to the refrigerant in the evaporator (??).
An ideal Rankine Cycle with reheat uses water as the working fluid with a flow rate...
An ideal Rankine Cycle with reheat uses water as the working fluid with a flow rate of 0.15 kg/s. At the inlet of the turbine (state 1) the water is a superheated vapor at 475ºC and 11 MPa. The pressure at the exit of the first stage of the turbine is 0.9 MPa. The reheat temperature (state 3) is also  475ºC.   The condenser pressure is 8 kPa, and the water exits as a saturated liquid Find: (a) The heat addition to...
An ideal Rankine Cycle with reheat uses water as the working fluid with a flow rate...
An ideal Rankine Cycle with reheat uses water as the working fluid with a flow rate of 0.15 kg/s. At the inlet of the turbine (state 1) the water is a superheated vapor at 475ºC and 11 MPa. The pressure at the exit of the first stage of the turbine is 0.9 MPa. The reheat temperature (state 3) is also  475ºC.   The condenser pressure is 8 kPa, and the water exits as a saturated liquid Find: (a) The heat addition to...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT