2. Steam enters an adiabatic turbine at 4.5MPa and 350°C and leaves at 225kPa with a...
Steam enters a turbine at 9 MPa and T1°C and leaves at 20 kPa with a quality equal to 0.60. Neglecting the changes in kinetic and potential energies, determine T1 if the mass flow rate through the turbine is 4 kg/s. The turbine’s power output is 7.5 MW and the heat loss from the turbine is 5 kJ/kg.
Question 2 Question 2 of 5 10 points Steam enters an adiabatic turbine at 10 MPa and 500"C and leaves at 10 kPa with a quality of 69 percent. The plant has power rating of 10 MW Neglecting the changes in the cand potent energies, determine the following enthalpy of steam at the entrance 3375.1 InkJ/kg enthalpy of steam at the exit 1842.4 InkJ/kg mass flow rate in kg's
NO INTERPOLATION REQUIRED Air enters an adiabatic turbine at 1000 kPa and 1625 degrees C (state 1) with a mass flow rate of 5 kg/s and leaves at 100 kPa the isentropic efficiency of the turbine is 85%. Neglecting the kinetic energy change of the steam, and considering variable specific heats, determine: a. the isentropic power of the turbine Isentropic power in kW b. the temperature at the turbine exit temperature at exit in degrees C c. the actual power...
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....
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
Steam enters an adiabatic turbine steadily at 7 MPa, 500 °C, and 45 m/s, and leaves at 100 kPa and 75 m/s. If the power output of the turbine is 5 MW and the isentropic efficiency is 77 percent, determine: A. the mass flow rate of steam through the turbine, B. the temperature at the turbine exit, and C. the rate of entropy generation during this process.
Steam with the mass flow rate of 0.75 kg/s enters an adiabatic turbine steadily at 19 MPa, 600°C and 150 m/s, and leaves at 150 kPa and 350 m/s. The isentropic efficiency of the turbine is 85%. Neglect potential energy. (I) Determine the exit temperature of the steam, and its quality (if saturated mixture) (ii) Calculate the actual power output of the turbine, in kW (iii) Illustrate a T-s diagram with respect to saturation lines for the isentropic process by clearly indicating all pressure, temperature,...
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...
2(a) Steam enters a turbine at 6 MPa and 500°C at a rate of 1.5 kg/s and leaves at 20 kPa. Assume the turbine is adiabatic and neglect kinetic energy changes. The power output of the turbine is 2.5 MW. What is the phase of the steam entering the turbine? appendix 1-2.pdf
Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 4 MPa, 500°C, and 80 m/s, and the exit conditions are 30 kPa, 92 percent quality, and 50 m/s. The mass flow rate of the steam is 12 kg/s. Determine a. (3) Change in kinetic energy (-23.4 kJ) b. (4) Power output (12.12 MW) c. (3) Turbine inlet area (0.012966 m2)