7. If 10 kg/min of air are compressed isothermally from p, 96 kPa and V, = 7.65 m/min to p, = 620 kPa, find the work, the change of entropy and the heat for (a) nonflow process and (b) a steady flow process with v, = 15 m/s and v, = 60 m/s. Ans. (a)-1370KJ/min,-5.356 kJ/K.min; (b)-1386.9kJ/ %3D min

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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7. If 10 kg/min of air are compressed isothermally from p,
= 96 kPa and V, = 7.65 m³/min to p, = 620 kPa, find the work,
the change of entropy and the heat for (a) nonflow process and
(b) a steady flow process with v, = 15 m/s and
Ans. (a)-1370KJ/min,-5.356 kJ/K.min; (b)-1386.9kJ/
1
= 60 m/s.
min
Transcribed Image Text:7. If 10 kg/min of air are compressed isothermally from p, = 96 kPa and V, = 7.65 m³/min to p, = 620 kPa, find the work, the change of entropy and the heat for (a) nonflow process and (b) a steady flow process with v, = 15 m/s and Ans. (a)-1370KJ/min,-5.356 kJ/K.min; (b)-1386.9kJ/ 1 = 60 m/s. min
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