Coefficient

Expression

C1

p a 2 β

C2

ρ 2 a 2 ( a 2 p ρ β )

C3

e H ρ a 2 ( ρ a 2 p β )

C4

H + a U 2 a 2 ( ρ a 2 p β )

C5

H a U 2 a 2 ( ρ a 2 p β )

C6

1 2 a 2 ( ρ a 2 p β )