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2.3.1.2 Determine the Rankine efficiency (R)For the theoretical Rankine Cycle, Figure 2.3.2, it is assumed that there are no frictional losses in the turbine,perfect expansion of the steam occurs in the turbine (isentropic), and ignores energy added by thefeedpump returning condensate to the boiler. Fig. 2.3.2 Basic Rankine cycle

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On this and volume is linear. Determine the pressure, in lbf/in.2, at an scale the ice point of water is 150S and the steam point is intermediate state where the volume is 1.2 ft3, and sketch the 300S. Determine the temperatures in C that correspond to process on a graph of pressure

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In a steam power plant operating on the Rankine cycle, steam enters the turbine at 4 MPa, 350cC and exists at a pressure of 15 kPa. Then it enters the condenser and exits as saturated water. Next, a pump feeds back the water to the boiler. The adiabatic efficiency of the turbine is 90%. The thermodynamic states of water and steam are given in

Get a quote### Thermodynamics-P-K-Nag-Exercise- - [PDF Document]

The air leaves the turbine at a pressure of 115 kPa, a temperature of 2C, and a velocity of 150 m/s. A and B, each of volume 3 m3 may be connected by a tube of negligible volume. Vessel a contains air at 0.7 MPa, 95 C, while vessel B contains air at 0.35 MPa, 205C. 1 4.187 kJ/kg c p,water = 2 2 4.187 273 = 1000 T0 ln 263 10 2 273 10 kJ

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A steam power plant operates on a Reheat Rankine cycle and.has a net power output of 80 MW. Steam enters the high pressure turbine at 100 bar and 500C and the low pressure turbine at 10 bar and 500oC after being reheated. [t Ieaves the low pressure turbine at 0.1 bar.

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In a steam power plant operating on the Rankine cycle, steam enters the turbine at 4 MPa, 350cC and exists at a pressure of 15 kPa. Then it enters the condenser and exits as saturated water. Next, a pump feeds back the water to the boiler. The adiabatic efficiency of the turbine is 90%. The thermodynamic states of water and steam are given in

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Wankel Engine 9.2. Diesel Cycle 9.3. Atkinson Cycle 9.4. Dual Cycle 9.5. Lenoir Cycle 9.6. Stirling Cycle 9.7. Miller Cycle 9.8. Wicks Cycle 9.9. Rallis Cycle 9.10. Design Examples 9.11 Summary Gas Open System Cycles 10.1. Brayton or Joule Cycle 10.2. Split-Shaft Gas Turbine Cycle 10.3. Improvements to Brayton Cycle 10.4. Reheat and Inter-Cool

Get a quote### Introduction to Thermal Systems Engineering: [PDF] -

On this and volume is linear. Determine the pressure, in lbf/in.2, at an scale the ice point of water is 150S and the steam point is intermediate state where the volume is 1.2 ft3, and sketch the 300S. Determine the temperatures in C that correspond to process on a graph of pressure

Get a quote### Thermodynamics | Enthalpy | Heat

In a steam power plant operating on the Rankine cycle, steam enters the turbine at 4 MPa, 350cC and exists at a pressure of 15 kPa. Then it enters the condenser and exits as saturated water. Next, a pump feeds back the water to the boiler. The adiabatic efficiency of the turbine is 90%. The thermodynamic states of water and steam are given in

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(4) Air compressor: Open system. Low pressure air enters and high pressure air leaves the compressor, electrical energy is supplied to drive the compressor motor. Heat losses from the turbine to the surroundings amount to 36MJ/hr. Estimate the power output of the turbine. (May 01(C.O.)) Sol: Steam flow rate = 3600Kg/hr = 3600/3600 = 1 Kg

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For a Rankine cycle, superheated steam at 18 MPa, 560 °C enters the steam turbine. The pressure at the exit of the turbine is 0.06 MPa and saturated liquid water leaves the condenser at 0.06 MPa. Pressure is increased to 18 MPa again after the pump. Find: (1) Sketch the process on a T-s diagram. (2) The net work per unit of steam flow in kJ/kg.

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A 2.5 m3 of rigid vessel contains steam at 10 bar, 240°C. The mass of steam is The safety valve of a rigid tank containing 10 kg of ideal gas at 250 kPa, and 38 C suddenly opens, and after evacuating 25% of the total mass and dropping the pressure to 200 kPa, the valve closes. The final temperature in the tank is a. 5.3 kg, b. 4.38 kg, a. 58.8

Get a quote### Thermodynamics-P-K-Nag-Exercise- - [PDF Document]

The air leaves the turbine at a pressure of 115 kPa, a temperature of 2C, and a velocity of 150 m/s. A and B, each of volume 3 m3 may be connected by a tube of negligible volume. Vessel a contains air at 0.7 MPa, 95 C, while vessel B contains air at 0.35 MPa, 205C. 1 4.187 kJ/kg c p,water = 2 2 4.187 273 = 1000 T0 ln 263 10 2 273 10 kJ

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The value of stress in the segment QR is (A) 40 MPa (C) 70 MPa (B) 50 MPa (D) 120 MPa • Common Data For Q.05 mm (D) 5.95 MPa (C) 625. the distortion energy under three dimensional stress state is represented by 2 2 (A) 1 6s1 + s2 2 + s3 . slender cylindrical rod is made of a homogeneous and isotropic Shop Online from GATE MCQ

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It then enters a condenser. thermal and overall efficiencies and (vi) TSFC 4. A rejecting heat directly to B. Or (b) In an air standard Diesel cycle. and at the beginning of isentropic compression. RMKCET Page 66 . while engine B is in communication with a cold sink at a temperature of 4.40 C

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Steam leaves the boiler and enters the turbine at 4 MPa, 350c C (h 3 = 3095 kJ/kg ). After expansion in the turbine to 400 kPa (h 4 = 2609 kJ/kg), and then expanded in a low pressure turbine to 10 kPa

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The heat released during this process is to be used as a source of energy. the work output per cycle per kg of air is (A) 879. If the clearance volume is 196.95 MJ (C) 10.com CHAP 8 THERMODYNAMICS PAGE 361 YEAR 2004 MCQ 8.10 MJ MCQ 8.44 MJ (B) 30.5 kJ • Common Data For Q. After expansion in the turbine to 400 kPa (h 4 = 2609 kJ/kg).gatehelp.

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