Page 213 - 48Fundamentals of Compressible Fluid Mechanics
P. 213
10.2. GOVERNING EQUATION 175
1
“star” values. The equation (10.5) can be written between chocking point and any
point on the curve.
(10.15)
The temperature ratio is !
(10.16)
!
%
!
*
(10.17)
!
"
"
!
:
: "
"
(10.18)
"
E
The stagnation pressure ratio reads % " *
(10.19)
The “star” values are tabulated in table 10.1. Several observations can be
made in regards to the stagnation temperature.
%
*
Table 10.1: Rayleigh Flow k=1.4 7 8 : 6 : 6 " +
4
5
5
7 8
8
7
5 :
7 :
9 )
-
" )
)0+-9
8
" " "
" 1" "
9
91"1
5
:
+
" 1"=)
"1+)
" " "
)
"-),
+1
1+ " "
" 9
" 1 -
" 9 "0"
"1+1+
" " " "
)09
1
"
"1+-9
+=)1)1)
90+
"1+
" 1
"
" " "
" -9
1 The star is an asterisk. " +1+ 90+ + " ) " " 1"9 "1+1+ "1+ " " -+1+1" -+ 9 " "
) 919
" "-)
" )0"
"1+
" )
"-90"
" 1+=)
