535
Appendix J: Oblique Shock
Wave Charts for γ = 1.4
The graphs in this appendix are from NACA Report 1135, Equations, Tables and Charts for
Compressible Flow, Ames Research Staff, 1953.
536 Appendix J
3.2
3.0
2.8
2.8
3.2
3.4
3.6
3.8
4.0
4.5
5
6
8
10
20
3.0
3.4
3.6
3.8
4.0
4.5
6
8
5
10
M
1
= ∞
∞
90
80
70
60
50
40
30
20
10
04 12
Deflection angle, , degrees
16 20 24 28 328
Shock wave angle, β, degrees
2.6
2.4
2.22.01.9
1.8
1.7
1.6
1.5
1.45
1.40
1.30
1.35
1.25
1.20
1.15
1.10
1.05
Weak shock wave
Strong shock wave
Sonic limit: (M
2
= 1)
FIGURE J.1
Variation of oblique shock wave angle with ow deection angle for various upstream Mach numbers.
537Appendix J
Deflection angle, , degrees
26 30 34 38 42 46 50 54
58
1.0
.8
.6
.4
.2
0
–.2
–.4
–.6
–.8
–1.0
.50
.55
.60
.65
.70
.75
.80
.85
.90
.95
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.2
2.4
2.6
2.8
3.0
3.5
4
5
6
8
10
20
Weak shock wave
Strong shock wave
Streamline
M
1
M
2
Shock wave
∞
Mach number parameter, 1 –
M
2
1
Downstream Mach number, M
2
M
1
= 2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
3.8
4.0
4.5
5
6
8
10 2 0
∞
FIGURE J.1 (Continued)
Variation of oblique shock wave angle with ow deection angle for various upstream Mach numbers.
538 Appendix J
Deflection angle, , degrees
048121620242
83
2
1.0
.8
.6
.4
.2
0
–.2
–.4
–.6
–.8
–1.0
.50
.55
.60
.65
.70
.75
.80
.85
.90
.95
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.2
2.4
2.6
2.8
3.0
3.5
4
5
6
8
10
20
∞
Mach number parameter, 1 –
M
2
1
1.6
1.45 1.5
1.35
1.40
1.25
1.30
1.8
1.7
1.9
2.0
2.2
2.4
2.6
1.15
1.20
1.05
1.10
3.2
2.8
2.8
3.0
3.4
3.6
3.8
4.0
3.0
4.5
6
8
5
20
10
M
1
= ∞
3.2
3.4
3.6
3.8
4.0
4.5
5
6
8
10
20
Downstream Mach number, M
2
FIGURE J.2
Variation of Mach number downstream of oblique shock with ow deection angle for various upstream Mach
numbers.
539Appendix J
Deflection angle, , degrees
26 30 34 38 42 46 50 54
58
1.0
.8
.6
.4
.2
0
–.2
–.4
–.6
–.8
–1.0
.50
.55
.60
.65
.70
.75
.80
.85
.90
.95
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.2
2.4
2.6
2.8
3.0
3.5
4
5
6
8
10
20
∞
Mach number parameter, 1 –
M
2
1
Downstream Mach number, M
2
Weak shock wave
Strong shock wave
Streamline
M
1
M
2
Shock wave
M
1
= 2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
3.8
4.0
4.5
5
6
8
10 2 0
∞
FIGURE J.2 (Continued)
Variation of Mach number downstream of oblique shock with ow deection angle for various upstream Mach
numbers.

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