Specific heat ratio of ideal gas For ideal gas k= C,(T) c,(T)= R >1 c,(T) k-1 (ideal gas) kR + cp(T)=c(T)+R c,(T= k-1 (ideal gas) Mole basis c(T)= R k-1 (ideal gas) kR cp(T) k-1 (ideal gas) 上游充通大学 March 19,2019 7 SHANGHAI JLAO TONG UNIVERSITYMarch 19, 2019 7 Specific heat ratio of ideal gas For ideal gas ( ) 1 ( ) p v c T k c T   ( ) ( ) p v    c T c T R Mole basis ( ) (ideal gas) 1 p kR c T k   ( ) (ideal gas) 1 v R c T k   ( ) (ideal gas) 1 p k R c T k   ( ) (ideal gas) 1 v R c T k  