The Rankine cycle with one closed feedwater heater (CFWH). Superheated water vapor enters the turbine at 16 MPa, 520°C and the condenser pressure is 10 kPa. The mass flow rate of steam entering the turbine is 25 kg/s. The CFWH uses extracted steam at 6 MPa. Saturated liquid condensate drains from the CFWH at 6 MPa and is trapped with an expansion valve/trap at 10 kPa into the condenser. The feedwater leaves the CFWH at 16 MP and at a temperature that is equal to the saturation temperature at 6 MPa, Saturated liquid leaves the condenser at 10 kPa. No detailed property table is required. Assume that hT1 = 85%, hT2 = 85%, and hP1= 80%, determine the following: Specific Enthalpy at the turbine entry point. (h1,kj/kg) Specific enthalpy (h2 and h2,kj/kg at the extraction location(use reasonable numbers for the calculation) Specific Enthalpies (h3 and h3,kj/kg) at the exist of turbine 2 (T2). Specific volume and specific enthalpy at the condensers exit point.
The Rankine cycle with one closed feedwater heater (CFWH). Superheated water vapor enters the turbine at 16 MPa, 520°C and the condenser pressure is 10 kPa. The mass flow rate of steam entering the turbine is 25 kg/s. The CFWH uses extracted steam at 6 MPa. Saturated liquid condensate drains from the CFWH at 6 MPa and is trapped with an expansion valve/trap at 10 kPa into the condenser. The feedwater leaves the CFWH at 16 MP and at a temperature that is equal to the saturation temperature at 6 MPa, Saturated liquid leaves the condenser at 10 kPa. No detailed property table is required. Assume that hT1 = 85%, hT2 = 85%, and hP1= 80%, determine the following: Specific Enthalpy at the turbine entry point. (h1,kj/kg) Specific enthalpy (h2 and h2,kj/kg at the extraction location(use reasonable numbers for the calculation) Specific Enthalpies (h3 and h3,kj/kg) at the exist of turbine 2 (T2). Specific volume and specific enthalpy at the condensers exit point.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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The Rankine cycle with one closed feedwater heater (CFWH). Superheated water vapor enters the turbine at 16 MPa, 520°C and the condenser pressure is 10 kPa. The mass flow rate of steam entering the turbine is 25 kg/s. The CFWH uses extracted steam at 6 MPa. Saturated liquid condensate drains from the CFWH at 6 MPa and is trapped with an expansion valve/trap at 10 kPa into the condenser. The feedwater leaves the CFWH at 16 MP and at a temperature that is equal to the saturation temperature at 6 MPa, Saturated liquid leaves the condenser at 10 kPa. No detailed property table is required. Assume that hT1 = 85%, hT2 = 85%, and hP1= 80%, determine the following:
- Specific Enthalpy at the turbine entry point. (h1,kj/kg)
- Specific enthalpy (h2 and h2,kj/kg at the extraction location(use reasonable numbers for the calculation)
- Specific Enthalpies (h3 and h3,kj/kg) at the exist of turbine 2 (T2).
- Specific volume and specific enthalpy at the condensers exit point.
Transcribed Image Text:STEAM GEN
T1
T2
(1)
3
2
(1-y)
(v)
CFWH
P1
CONDENSER
(1)
(1)
(1)
Expansion Valve/Trap
7
(y)
(y)
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