Question

Q1 (a)Describe why the Carnot cycle not considered suitable for practical purposes. (b)An ideal reheat–regenerative steam power plant with two open feedwater heater generates 150000 kW energy from the electric generator directly couple to steam turbine. The boiler pressure is 10 MPa and 600°C and leaves the low pressure turbine as saturated vopour at 7.5 kPa. Steam is extracted from the turbine at 1.8 MPa and 0.3 MPa, and reheated to 550°C at a pressure of 1 MPa. Water leaves both feedwater as saturated liquid. By neglecting all the pumps works, determine the thermal efficiency of the cycle and the mass flow rate of steam through the boiler.

          Q1 (a)Describe why the Carnot cycle not considered suitable for practical purposes.
(b)An ideal reheat–regenerative steam power plant with two open feedwater heater generates 150000 kW energy from the electric generator directly couple to steam turbine. The boiler pressure is 10 MPa and 600°C and leaves the low pressure turbine as saturated vopour at 7.5 kPa. Steam is extracted from the turbine at 1.8 MPa and 0.3 MPa, and reheated to 550°C at a pressure of 1 MPa. Water leaves both feedwater as saturated liquid. By neglecting all the pumps works, determine the thermal efficiency of the cycle and the mass flow rate of steam through the boiler.

Q1 (a)Describe why the Carnot cycle not considered suitable for practical purposes.
(b)An ideal reheat–regenerative steam power plant with two open feedwater heater generates 150000 kW energy from the electric generator directly couple to steam turbine. The boiler pressure is 10 MPa and 600°C and leaves the low pressure turbine as saturated vopour at 7.5 kPa. Steam is extracted from the turbine at 1.8 MPa and 0.3 MPa, and reheated to 550°C at a pressure of 1 MPa. Water leaves both feedwater as saturated liquid. By neglecting all the pumps works, determine the thermal efficiency of the cycle and the mass flow rate of steam through the boiler.

Added by Antonio W.

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