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In: Mechanical Engineering

In an intermediate superheated steam cycle, water vapor is 4 MPa pressure, 440 oC high, isentropic...

In an intermediate superheated steam cycle, water vapor is 4 MPa pressure, 440 oC high, isentropic and 0.80 high
After entering the pressure turbine, it expands to 0.4 MPa and the intermediate superheater is again up to 440 oC.
it is heated and enters the low pressure turbine, whose isentropic efficiency is also 0.80. 40 oC from condenser
The fluid that works as a saturated liquid at temperature is pressed into the boiler with a pump with an isentropic efficiency of 0.90.
By accepting the entry of steam into the high pressure turbine as 1 point,
A) Show the cycle in the T-S diagram.
B) The degree of dryness of the steam at the outlet of the low pressure turbine
C) Thermal efficiency of the cycle
D) Calculate the second law efficiency of the cycle.

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Expert Solution

samet mamat answered 1 year ago
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