Question

In: Mechanical Engineering

Q2/ Superheated steam enters convergent divergent nozzles at (2 MN/m²) and ( 325 C°) with mass...

Q2/ Superheated steam enters convergent divergent nozzles at (2 MN/m²) and ( 325 C°) with mass flow rate (7.5 kg/sec ). It is expand according to (PV 13= C) through the nozzles until exit, while the exit pressure (0.36 MN/m³) Calculate 1/throat and exit diameter. 2/temperature degree of undercooling at exit.

Solutions

Expert Solution

Please refer uploaded document

samet mamat answered 1 year ago
Next > < Previous

Related Solutions

Determine whether the integrals are divergent or convergent. Calculate the convergent ones. ?)∫ 1 / ?^2+?...
Determine whether the integrals are divergent or convergent. Calculate the convergent ones. ?)∫ 1 / ?^2+? ?x (from 1 to positive infinity) ?) ∫ ? −√? / √? ?? ( from 1 to positive infinity) ?) ∫ ??????? (negative infinity to positive infinity) ?) ∫ 1 / √3−? ?x ( from 2 to 3)
Superheated steam at 20 MPa, 640°C enters the turbine of a vapor power plant. The pressure...
Superheated steam at 20 MPa, 640°C enters the turbine of a vapor power plant. The pressure at the exit of the turbine is 0.5 bar, and liquid leaves the condenser at 0.4 bar at 75°C. The pressure is increased to 20.1 MPa across the pump. The turbine and pump have isentropic efficiencies of 81 and 85%, respectively. Cooling water enters the condenser at 20°C with a mass flow rate of 70.7 kg/s and exits the condenser at 38°C. For the...
Superheated steam enters a turbine at 3 MPa, 550oC, and exits at 0.01 MPa. a) If...
Superheated steam enters a turbine at 3 MPa, 550oC, and exits at 0.01 MPa. a) If the process is reversible adiabatic (isentropic), find the final temperature (T2s), the final enthalpy (h2s) of the steam, and the turbine work (Wt,s). b) What is Sgen for the above process? c) If the isentropic efficiency is 90%, find the actual final temperature (T2a) and calculate Sgen? d) Plot process (a) and (c) on a Ts diagram.
In an ideal Rankine cycle with reheat, superheated steam vapor enters the turbine at 10 MPa...
In an ideal Rankine cycle with reheat, superheated steam vapor enters the turbine at 10 MPa and 480 °C, while the condenser pressure is 6 kPa. Steam expands through the first-stage turbine to 0.7 MPa and then is reheated to 480 °C a) Calculate the total heat addition, net work of the cycle, heat extraction through condenser, and thermal efficiency of this ideal Rankine cycle with reheat. [25] b) Calculate the same quantities assuming that the pump and each turbine...
In an ideal Rankine cycle with reheat, superheated steam vapor enters the turbine at 10 MPa...
In an ideal Rankine cycle with reheat, superheated steam vapor enters the turbine at 10 MPa and 480 °C, while the condenser pressure is 6 kPa. Steam expands through the first-stage turbine to 0.7 MPa and then is reheated to 480 °C a) For a pressure of 7 bar right after the first stage turbine in the ideal Rankine cycle, create two plots: thermal efficiency as a function of the reheat temperature from 200 °C to 500 °C; and the...
In an ideal Rankine cycle with reheat, superheated steam vapor enters the turbine at 10 MPa...
In an ideal Rankine cycle with reheat, superheated steam vapor enters the turbine at 10 MPa and 480 °C, while the condenser pressure is 6 kPa. Steam expands through the first-stage turbine to 0.7 MPa and then is reheated to 480 °C. Calculate the total heat addition, net work of the cycle, heat extraction through condenser, and thermal efficiency of this ideal Rankine cycle with reheat  
Superheated steam at 8 MPa and 480°C leaves the steam generator of a vapor power plant....
Superheated steam at 8 MPa and 480°C leaves the steam generator of a vapor power plant. Heat transfer and frictional effects in the line connecting the steam generator and the turbine reduce the pressure and temperature at the turbine inlet to 7.7 MPa and 440°C, respectively. The pressure at the exit of the turbine is 10 kPa, and the turbine operates adiabatically. Liquid leaves the condenser at 8 kPa, 36°C. The pressure is increased to 8.6 MPa across the pump....
Superheated steam at 8 MPa and 480°C leaves the steam generator of a vapor power plant....
Superheated steam at 8 MPa and 480°C leaves the steam generator of a vapor power plant. Heat transfer and frictional effects in the line connecting the steam generator and the turbine reduce the pressure and temperature at the turbine inlet to 7.3 MPa and 440°C, respectively. The pressure at the exit of the turbine is 10 kPa, and the turbine operates adiabatically. Liquid leaves the condenser at 8 kPa, 36°C. The pressure is increased to 8.6 MPa across the pump....
A steam turbine receives superheated steam at 18.0 kg/s, 500.°C, and 3.00 MPa and exhausts it...
A steam turbine receives superheated steam at 18.0 kg/s, 500.°C, and 3.00 MPa and exhausts it to 10 kPa with a quality of 96%. If the turbine is assumed to be internally reversible, determine the rate of heat loss from the turbine surface if the power output is 20.MW The surface temperature of the turbine is uniform at 350.°C, and the local environment (ground state) is taken to be saturated liquid water at T0 = 20.0°C. Neglect all flow stream...
Steam enters a turbine at a velocity of 200 m/s. The inlet conditions of the steam...
Steam enters a turbine at a velocity of 200 m/s. The inlet conditions of the steam are at 4000 kPA and 500°C. The diameter of the inlet pipe is 50 mm. The outlet conditions of the steam are 80 kPa and a quality of 1.0. The diameter of the outlet pipe is 250 mm. Determine the turbine power output in kJ/s assuming the kinetic energy change and potential energy change are both negligible. Calculate the change in kinetic energy to...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT