Carbon dioxide gas is compressed at steady state from a pressure of 16 Ib;/in? and a temperature of 32°F to a pressure of 50 lb;/in?and a temperature of 120°F. The gas enters the compressor with a velocity of 30 ft/s and exits with a velocity of 80 ft/s. The mass flowrate is 3000 Ib/hr. The magnitude of the heat transfer rate from the compressor to its surroundings is 5% of the compressor powerinput. Use the ideal gas model with c, = 0.21 Btu/lb-°R and neglect potential energy effects.Determine the flow area at the inlet, in ft?, and the power required by the compressor to work, in horsepower.

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Answered: Carbon dioxide gas is compressed at…

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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Argon gas flows through a well-insulated nozzle at steady state. The temperature and velocity at the inlet are 590°R and 150 ft/s, respectively. At the exit, the temperature is 500°R and the pressure is 40 Ib;/in?. The area of the exit is 0.0085 ft2. Use the ideal gas model with k = 1.67, and neglect potential energy effects. Determine the velocity at the exit, in ft/s, and the mass flow rate, in Ib/s.
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ASEM 12/6/2015 Q1/ A stream of warm water is produced in a steady flow mixing process by combining 1.0 kg/s of cool water at 25 °C with 0.8 kg/s of hot water at 75 °C. During mixing, heat is lost to the surroundings at the rate of 30 kJ/s. What is the temperature of the warm water stream? Assume the specific heat of water constant at 4.18 kJ/kg.K.
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