Answer will be nearby because of some approximation in enthalpy and entropy value considered from the data table.
14. Steam enters an adiabatic turbine at 1,000 psia and 900°F and leaves at 3 psia....
steam enters a turbine at 1000 psia and 1000 degrees celsius,
and leaves at 5Psia and 97% quality, the turbine is adiabatic and
the power output is 25000 hp.
Calculate:
1- the work of the turbine ( in btv/lbm)
2- the mass flow rate in lbm/s, if the work of the turbine is
353.399 btv/lbm
3- the inlet diameter, if the mass flow rate is 60 lbm/s
NOTE: inlet velocity ≈ exit velocity =80 ft/s
1hp=2545 btv/hr
- Steam turbine...
(30 pts.) 3) Steam enters an adiabatic turbine at 1400 psia and 1000 F at a flow rate of 31.5 cfm. It exits at a quality of 90% and a pressure of 1 psia. Neglect kinetic and potential energy effects. a) Determine the power produced [hp] b) Draw P-v and T-v state diagrams showing the states and process.
ANSWER PLEASE
PROBLEM #2 (68 pts.) Steam at 200 psia, 600°F (State 1) enters an adiabatic turbine cperating at steady state with a mass flow rate of 16.5 lbm/min and exits at 15 psia, 240°F (State 2), Neglecting the changes in kinetic and potential energies and assuming the surroundings to be at T.- 537 R. Determine: a) the actual power output, in Btu/min. b) the reversible (or maximum) power output, in Btu/min. c) the rate of exergy destruction, in Btu/min....
Air initially at 120 psia and 500*F is expanded by an adiabatic turbine to 15 psia and 200* F. Assuming air can be treated as an ideal gas and has variable specific heat. a) Determine the specific work output of the actual turbine (Btu/lbm). b) Determine the amount of specific entropy generation during the irreversible process (Btu/lbm R). c) Determine the isentropic efficiency of this turbine (%). d) Suppose the turbine now operates as an ideal compressor (reversible and adiabatic)...
Steam enters an adiabatic turbine at 6MPa and 500°C and leaves at a pressure of 0.3MPa. Determine the amount of work that can be delivered by this turbine. (in kJ/kg)
Do 4 and 5: Show full workings and unit conversions
Steam enters an adiabatic turbine at 20 MPa and 700° C. Steam leaves the turbine at a temperature of 160° C with a quality of 88%. Determine the mass flow rate of steam necessary to produce 18 MW power output. Neglect the effect of elevation and velocity changes (20) 5. An air standard Otto cycle compresses air from 14.7 psia and 80°F at the beginning of the compression process. It...
1) Steam at 200 psia and 600 F is supplied to a turbine and exhausted at 14.7 psia. The flow is adiabatic, the power output of the turbine is 10000 kW and it's isentropic efficiency is 65 %. Determine the steam rate in lbm/h.
3. Question 3: Entropy change in a diabatic steam turbine (20) Steam enters a reversible, adiabatic turbine at 4 MPa and 520°C with a velocity of 60 m/s. The steam exhausts from the turbine at a pressure of 80 kPa with a velocity of 140 m/s. Determine the work output of the turbine per unit mass of steam flowing through the turbine. Steam Pi = 4 MPa Ti = 520°C Vi = 60 m/s Reversible, adiabatic turbine w System boundary...
2. Steam enters an adiabatic turbine at 4.5MPa and 350°C and leaves at 225kPa with a quality of 85 percent. Neglecting the changes in kinetic and potential energies, determine the mass flow rate required for a power output of 700kW.
2. STEAM enters a reversible, adiabatic turbine at 6.0 MPa and 500 C. It leaves at 10 kPa. The mass flow rate is 40 kg/s. What is the power output of the turbine in kW? (Hints: W_dot = m_dot (h_2-h _1) and s_1=s_2). a) 1243 kW b) 2663 kW c) 33,570 kW d) 41,000 kW e) 49.725 kW