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T1 = 900 K P1 = 1000 kPa 1 m = 2.5 kg/s W co T2 = 400 K 2 P2 = 100 kPa v2 = 25 m/s Problem Statement: Air enters an adiabatic turbine at a temperature of 900 K and a pressure of 1000 kPa, and exits at 400 K and 100 kPa. The mass flow rate is 2.5 kg/sec, and the velocity in the exit duct is 25 m/sec. Use an ideal gas approximation with a constant specific heat, Cp = 1,063 J/kg · K, and a gas constant of R = 287 J/kg · K. Any gravitational potential energy changes of the fluid can be neglected. a. Find the power produced in kW. b. Find the area of the exit duct giving the stated discharge velocity. c. Verify whether the kinetic energy terms small enough to be neglected in this case. Recall Energy Equation: v? 0 = Qcv – Wey + m|(h, + + gz1 h2 + + gz2

T1 = 900 K P1 = 1000 kPa 1 m = 2.5 kg/s W co T2 = 400 K 2 P2 = 100 kPa v2 = 25 m/s Problem Statement: Air enters an adiabatic turbine at a temperature of 900 K and a pressure of 1000 kPa, and exits at 400 K and 100 kPa. The mass flow rate is 2.5 kg/sec, and the velocity in the exit duct is 25 m/sec. Use an ideal gas approximation with a constant specific heat, Cp = 1,063 J/kg · K, and a gas constant of R = 287 J/kg · K. Any gravitational potential energy changes of the fluid can be neglected. a. Find the power produced in kW. b. Find the area of the exit duct giving the stated discharge velocity. c. Verify whether the kinetic energy terms small enough to be neglected in this case. Recall Energy Equation: v? 0 = Qcv – Wey + m|(h, + + gz1 h2 + + gz2

Elements Of Electromagnetics
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
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T1 = 900 K P1 = 1000 kPa 1 m = 2.5 kg/s W co T2 = 400 K 2 P2 = 100 kPa v2 = 25 m/s Problem Statement: Air enters an adiabatic turbine at a temperature of 900 K and a pressure of 1000 kPa, and exits at 400 K and 100 kPa. The mass flow rate is 2.5 kg/sec, and the velocity in the exit duct is 25 m/sec. Use an ideal gas approximation with a constant specific heat, Cp = 1,063 J/kg · K, and a gas constant of R = 287 J/kg · K. Any gravitational potential energy changes of the fluid can be neglected. a. Find the power produced in kW. b. Find the area of the exit duct giving the stated discharge velocity. c. Verify whether the kinetic energy terms small enough to be neglected in this case. Recall Energy Equation: v? 0 = Qcv – Wey + m|(h, + + gz1 h2 + + gz2
Transcribed Image Text:T1 = 900 K P1 = 1000 kPa 1 m = 2.5 kg/s W co T2 = 400 K 2 P2 = 100 kPa v2 = 25 m/s Problem Statement: Air enters an adiabatic turbine at a temperature of 900 K and a pressure of 1000 kPa, and exits at 400 K and 100 kPa. The mass flow rate is 2.5 kg/sec, and the velocity in the exit duct is 25 m/sec. Use an ideal gas approximation with a constant specific heat, Cp = 1,063 J/kg · K, and a gas constant of R = 287 J/kg · K. Any gravitational potential energy changes of the fluid can be neglected. a. Find the power produced in kW. b. Find the area of the exit duct giving the stated discharge velocity. c. Verify whether the kinetic energy terms small enough to be neglected in this case. Recall Energy Equation: v? 0 = Qcv – Wey + m|(h, + + gz1 h2 + + gz2
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