Steam enters a turbine with a pressure of 30 bar, a temperature of 440 C, and velocity of 160 m/s. Saturated vapor at 100C exits with a velocity of 100 m/s. at steady state, the turbine develops work equal to 540 Kj per Kg of steam flowing through the turbine. Heat transfer between turbine and its surroundings occurs at an average outer surface temperature of 350 K.

Thermodynamics: - Clear writing please!!! Thank you - Sketch and label all numbers on the turbine. - Sketch and label all numbers on the process on a T-s diagram. 7.133E A large condenser in a steam power plant dumps 15 000 Btu/s by condensing saturated water vapor at 115 F with an ambient temperature of 77 F. What is the entropy generation rate?

Problem 4. Consider an adiabatic steam turbine operating at steady-state with a mass flow rate of 12 kg/s. At the inlet, the steam pressure is 10 MPa, the temperature is 450 °C, and the velocity is 80 m/s. At the exit, the pressure is 10 kPa, a quality of 0.92, and a velocity of 50 m/s. Find the change in kinetic energy Wout = ? Steam turbine (kJ/kg), the work out (power generated in MW), and the turbine inlet area (m²).

Read the question carefully and give me right solution with clear calculations.

2. A two-stage air compressor has an intercooler between the two stages as shown below. The inlet state is 100 kPa, 290 K, and the final exit pressure is 1.6 MPa. Assume that the constant pressure intercooler cools the air to the inlet temperature, T= T1. It can be shown that the optimal pressure, P,= (P.Pa for minimum total compressor work. Find the specific compressor works, the intercooler heat transfer for the optimal P, and sketch and label the P-v and T-s diagrams. otf Corpressor Compressor Intercooler

a (a) Air in (b) (c) Diffuser Compressor Combustors 2 State State 1 80 State 2 3300 State 3 3200 State 4 400 State 5 80 wwww Pressure (kPa) 3 Turbine 4 Figure 1: Figure for Problem 2. In a modern jet engine, air passes through the following states from the inlet to the outlet, as shown in Figure 1: Product gases out 260 780 1500 900 640 K 5 > Nozzle justify them) to find the compressor specific work. Temperature (K) For this problem, you may neglect any heat transfer, as well as neglect kinetic energy except at the outlet (state 5). Use the tables for obtaining properties (do not assume constant specific heat). Assume air is an ideal gas with ideal gas constant of R = 0.287 kJ/kg-K. Use the appropriate conservation equations and make approximations (and In a similar manner, find the turbine specific work. And finally, using similar arguments, find the nozzle exit velocity.

5. Gas Power Cycle in a Closed System with External Heat Exchange Air in a closed system undergoes the following reversible three-step cycle: 1-2 Isothermal compression of air at T1 = 27°C. The initial pressure is p1 = 2bar 2-3 Isochoric heating to T3 = 1200K . %3D 3-1 Adiabatic reversible expansion to state 1. Consider air as ideal gas with variable specific heats, and gas constant R kJ 0.287 kgK' As you solve the problem, populate the table with the data you need. Use free columns as you like. State T/ p/ v/ u/ h/ 1 2 3 a) Draw the process curve in a p-v-diagram, and in a T-s-diagram. b) Determine the volume V2 = V3 c) Determine work and heat per unit mass of air for each step. d) Determine the thermal efficiency of the cycle. e) The engine runs at 1800 rpm and delivers 12 kW of power. Determine the air mass in the engine and the swept volume. The engine is externally heated, and does not exchange air with the surroundings.

Only answer part2.

Answer both questions please! Will leave a vote!

3. 13 shown in the diagram, with state properties as specified in the table. Ignore kinetic and potential energy effects. a. 5 Sketch this cycle on a T-s diagram (label all states). b. Label each process (such as pump, condenser, etc.) on the T-s diagram. 5 Determine the work from the high- Consider a Rankine cycle with reheat as Reheat section Low-pressure turbine Žin High- pressure turbine с. pressure turbine per mass flow rate, in Btu/lb. Steam generator d.10] Determine the thermal efficiency of the cycle. Find the isentropic turbine efficiency for the high-pressure turbine. Oout Condenser е. Pump W, Pressure Temperature (°F) Enthalpy (Btu/lb) Entropy (Btu/lb-°R) State Quality (psi) Superheated 1 1400 1300 1669.6 1.7192 steam Superheated 100 600 1329.3 1.7582 steam Superheated 3 100 900 1480.5 1.8838 steam 1 1 101.7 1105.8 1.9779 1 101.7 69.74 0.1327 Compressed liquid 6. 1400 101.7 73.918 0.1327 4.