Steam at 3.5 MPa and 400°C enters an adiabatic turbine with a volume flow rate of 5 m /s. An extraction of 15% of the inlet mass flow rate exits 3 at 500 kPa and 250 °C. The rest exits the turbine at 100 kPa with a quality of 90%. What is the total turbine power (in MW)? Inlet 1 Extraction flow Select flow + one: 3 Exit flow НР section LP section 41.224 35.504 29.173 38.198 32.929 45.115

Steam at 3.5 MPa and 400°C enters an adiabatic turbine with a volume flow rate of 5 m /s. An extraction of 15% of the inlet mass flow rate exits 3 at 500 kPa and 250 °C. The rest exits the turbine at 100 kPa with a quality of 90%. What is the total turbine power (in MW)? Inlet 1 Extraction flow Select flow + one: 3 Exit flow НР section LP section 41.224 35.504 29.173 38.198 32.929 45.115

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

Determine the total turbine power output ? in the adiabatic turbine receives the water at (15000 kPa), (873 K) for mass flow rate of (100 kg/s), In the midst part (20 kg/s) is withdrawn at (2 MPa), (350°C), and the rest outlets the turbine at pressure (75 kPa), and (95 percent )quality.Neglecting the changes in kinetic energy,
Determine the total turbine power output ? in the adiabatic turbine receives the water at (15000 kPa), (873 K) for mass flow rate of (100 kg/s), In the midst part (20 kg/s) is withdrawn at (2 MPa), (350° C), and the rest outlets the turbine at pressure (75 kPa), and (95 percent )quality.Neglecting the changes in kinetic energy ,
An aircraft is flying at a cruising speed of 250 m/s at an altitude of 5000 m where the atmospheric pressure is 54.05 kPa and the ambient air temperature is 255.7 K. The ambient air is first decelerated in a diffuser before it enters the compressor. Approximating both the diffuser and the compressor to be isentropic, determine (a) the stagnation pressure at the compressor inlet and (b) the required compressor work per unit mass if the stagnation pressure ratio of the compressor is 8.
Steam at 1 kg / s mass flow enters a steam isentropic turbine at a pressure of 4 MPa, a temperature of 300ºC and a speed of 50 m / s, and leaves it at a pressure of 150 kPa and a speed of 200 m / s. . Note: T0 = 25 ºC, P0 = 100 kPa, T (K) = 273 + ºC a) Find the power produced by the turbine.b) Find the reversible power produced by the turbine.c) Find the isentropic efficiency of the turbined) Find the second law efficiency of the turbine.
Water steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 4 MPa, 500oC, 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 the power output. Neglect potential energy change, but not the kinetic energy change. A ) close to 23 kW B ) close to 12 kW C ) close to 23 MW D ) close to 5 MW E ) close to 12 MW F ) close to 10 MW G ) close to 5 kW H ) close to 10 kW
A steady-state steady flow thermodynamic system receives 100 ??/???of a fluid at 30 psia and 200F and discharges it from a point 80 ft above the entrance sectionat 150 psia and 600F. The fluid enters with a velocity of 1200 fpm and leaveswith a velocity of 2400 fpm. During the process, there are supplied 25,000 Btu/hrof heat from an external source and the increase in the enthalpy is 2 ???/??. Determine the work done in horsepower.
In an adiabatic turbine, this steam flow is 50 kg / s. The power produced by the turbine is 29 MW.Steam enters the turbine with a pressure of 50 bar and a speed of 60 m / s. At the outlet, at a pressure of 0.06 barIt comes out as saturated water with a speed of 130 m / s. Accordingly, the heat lost by the turbine andFind the turbine inlet and outlet temperatures of steam
Steam expands adiabatically in a nozzle from inlet conditions of 130(psia), 420(°F),and a velocity of 230(ft)(s)−1 to a discharge pressure of 35(psia) where its velocity is2000(ft)(s)−1. What is the state of the steam at the nozzle exit, and what is SG for theprocess?
A real turbine intakes air at 1.6 MPa and 780 K. Air exits at 100 kPa. If the turbine has an isentropic efficiency of 0.84, using variable heat capacities, what are the exit temperature of the air from the turbine and the specific power output? (Rair = 0.287)
Select the correct expression for steady flow work of a reversible compressor_________ A. B. C. D.
Air is compressed steadily by a reversible compressor from an inlet state of 100kPa and 300K to an exit pressure of 900kPa. Determine the compressor work per unit mass for a) The isentropic compression with k=1.4 b) A compressor with 85% isentropic efficiency c) Two-stage compression (100kPa to 300kPa, and 300 kPa to 900 kPa) with intercooling with an isentropic efficiency of 85% for both compressors
A two-stage compressor receives 0.50 kg/s of helium at 135 kPaa and 27 oC,and delivers it at 7000 kPaa. The compression is polytropic with n = 1.5. The intercooler isideal. Determine: a) the power required; b) the intercooler pressure; c) the maximumtemperature; d) the temperature for one stage of compression; and e) the heat transferredin the intercooler. Note: For helium gas, R = 2.077 kJ/kgoK and k = 1.666.