A Survey of Unsteady Hypersonic Flow Problems

AP
9
P
r
'b
F a
B
%
R
%
Be
Rex
s
9
s
t'
t
x
P
t
T
'$0
Ta
- 64 -
P
non-dimensional pressure: p = (equation (2.24))
fdJ ssin'a
amplitude of oscillatory non-dimensional pressure at body
surface: pb (Fig. 9
3PG
incremental pressure
and equation (2.63))
fluid velocity in variational method (equation (2.42))
dynamic pressure q = &p,JJ’
radial cc-ordinate (Fig. 7)
local radius of body (Fig. 7)
-Tradius
of gyration of a wing section in semi-chords: ';, = 2%
d mba
radius of flight path from oentre of earth
initial value of radius in re-entry problem 1 Appendix III
cylindrical shell radius - Appendix IV
radius of spherical cap nose - Fig. 7
Reynolds number based on U and 4,
Reynolds number based on distance from leading edge
distance along flight path in re-entry problem
entropy - Appendix II
representative area of vehicle - Appendices III and IV
time
transformed quantity (equation (2.13))
non-dimensional value of t, (equation (2.23))
transformed quantity (equation (2.36))
thickness of panel or shell - Appendix IV
local temperature (OR)
free-stream temperature
stream temperature immediately behind shook wave
Appendix II