Quantcast Table 1 List of Symbols

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Table 1
List of Symbols
Area - ft.2-
A
A+A,
Augmenter cross-sectional area
A+door,
Hush-House door outlet flow area
A+encl eff,
Enclosure effective flow area (A+door, in hush-house
case)
A+1+net,,
Hush-House door inlet minimum flow area
A+2+net,,
Hush-House secondary inlet minimum flow area
A+NT,(A+8,)
Engine nozzle throat area (total area at maximum power)
AIRCR
Aircraft
AUGM
Augmenter
Bar
Barometric pressure - inches of mercury absolute
C+P+air,,
Constant pressure specific heat of air - Btu/lb deg. F
C+P+E,,
Constant pressure specific heat of engine exhaust -
Btu/lb deg. F
C+P+augm exh,,
Constant pressure specific heat of mixed flow leaving the
augmenter - Btu/lb deg. F
D+NT,
Engine nozzle throat diameter
Exhaust nozzle pressure ratio (P+T+N(8),,/Bar)
E.P.R.
Acceleration of gravity at sea level - 32.2 ft/sec.2-
g
P
Static pressure - psi, inches of water, etc.
P+encl,
Hush-House enclosure internal pressure
P+1,
Static pressure at door inlet minimum area
P+2,
Static pressure at secondary inlet minimum area
P+T+N,,(P+T+8,,)
Exhaust nozzle total pressure
P+T,
Stagnation pressure or total pressure
Dynamic pressure (1/2 +p,v.2-)
q
T or Temp
Temperature - deg. F or deg. R
T+amb,
Ambient air temperature
T+p,
Augmenter wall temperature parameter,
T+p, = (T+wall, - T+amb,)/(T+T+N,, - T+amb,)
(dimensionless)
T+wall,
Augmenter wall temperature
T+T,
Stagnation temperature or total temperature
T+T+N,, (T+T+8,,)
Engine nozzle exit total temperature
V
Velocity - ft/sec
V+exit,
Augmenter exit velocity - ft/sec
V+inlet,
Velocity at door inlet minimum area - ft/sec
V+interior,
Velocity approaching aircraft inside of hush-house
or V+int,
W
Mass flow rate - lbm/sec
W+engine,
Total engine mass flow rate - lbm/sec
or W+E,
W+1,
Door inlet mass flow rate - lbm/sec
W+2,
Secondary inlet mass flow rate - lbm/sec
W+IT,
Total inlet mass flow rate - lbm/sec
Air density - slugs/ft.3-
p
Y+ctr,
Lateral distance from augmenter centerline to augmenter
wall - ft
Y+p,
Lateral offset parameter, Y+p, = (Y+ctr, - Y)/Y+ctr,
(dimensionless)
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