I know adiabatic work=(P2V2-P1V1)/Y-1..where y is gama.

W=R(T2-T1)/Y-1

=Cv(T2-T1)....cos R/Y-1=Cv

but in brayton cycle adiabatic work is give as

W=[Y(P2V2-P1V1)]/Y-1

ie.W=YR(T2-T1)/Y-1

W=Cp(T2-T1) as.... YR/Y-1=Cp

How is this possible?

Mandeep Shetty , 12 Years ago

Grade 12