7. If 10 kgm/min of air are compressed isothermally from p1 = 96 kPa and V1 = 7.65 m³/min to p2 = 620 kPa, find the work, the change of entropy and the heat for (a) nonflow process and (b) a steady flow process with u₁ = 15 m/s and u₂ = 60 m/s. Ans. (a)-1370 kJ/min, -5.356 kJ/K.min; (b)-1386.9kJ/min

Elements Of Electromagnetics
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p88#7. if 10kgm/min of air are compressed isothermally from p1=96kPa and V1=7.65m^3/min to p2=620kPa, find the work,the change of entropy and the heat for (a)nonflow process and (b) a steady flow process with u1=15m/s and u2=60m/s.

7. If 10 kgm/min of air are compressed isothermally from p1 = 96 kPa and V₁ = 7.65
m³/min to pz = 620 kPa, find the work, the change of entropy and the heat for (a) nonflow
process and (b) a steady flow process with u₁ = 15 m/s and U₂ = 60 m/s.
Ans. (a)-1370 kJ/min, -5.356 kJ/K.min; (b)-1386.9kJ/min
Transcribed Image Text:7. If 10 kgm/min of air are compressed isothermally from p1 = 96 kPa and V₁ = 7.65 m³/min to pz = 620 kPa, find the work, the change of entropy and the heat for (a) nonflow process and (b) a steady flow process with u₁ = 15 m/s and U₂ = 60 m/s. Ans. (a)-1370 kJ/min, -5.356 kJ/K.min; (b)-1386.9kJ/min
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