A compressor takes in air at a pressure of 67 kN/m2 . The pressure of the air at exit from the compressor is 167 kN/m2 . The mass flow rate and increase in specific enthalpy of the air are 0.25 kg/s and 80 J/g respectively. The intake and exit ducts are designed so that the velocities of the air equal in both. Calculate the power required to operate the compressor and the ratio of the duct areas inlet to exit. Assume that the compressor casing is adiabatic, gravity terms in the steady flow energy equation are negligible and the quantity Pv1.3 has the same value at inlet and exit.
A compressor takes in air at a pressure of 67 kN/m2 . The pressure of the air at exit from the compressor is 167 kN/m2 . The mass flow rate and increase in specific enthalpy of the air are 0.25 kg/s and 80 J/g respectively. The intake and exit ducts are designed so that the velocities of the air equal in both. Calculate the power required to operate the compressor and the ratio of the duct areas inlet to exit. Assume that the compressor casing is adiabatic, gravity terms in the steady flow energy equation are negligible and the quantity Pv1.3 has the same value at inlet and exit.
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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Q2
A compressor takes in air at a pressure of 67 kN/m2
. The pressure of the air at exit from the
compressor is 167 kN/m2
. The mass flow rate and increase in specific enthalpy of the air are
0.25 kg/s and 80 J/g respectively. The intake and exit ducts are designed so that the velocities
of the air equal in both. Calculate the power required to operate the compressor and the ratio
of the duct areas inlet to exit. Assume that the compressor casing is adiabatic, gravity terms in
the steady flow energy equation are negligible and the quantity Pv1.3 has the same value at
inlet and exit.
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