1
Q
Nozzle-compressible formula
A
dA/A = dV/V(M^2-1)
2
Q
Mach no
A
Vel of fluid/velocity of sound
3
Q
M<1
A
Subsonic flow
Converging type
4
Q
M=1
A
Sonic flow
A=C
5
Q
M>1
A
Supersonic flow
Diverging nozzle
6
Q
M>5
A
Hypersonic
Converging-Diverging nozzle
7
Q
Insulating nozzle
A
Reversible adiabatic flow
Isentropic flow
8
Q
Exit velocity of nozzle formula
A
√2(h1-h2)
9
Q
Nozzle exit velocity directly proportional to
A
Enthalpy drop
10
Q
Condition for maximum pressure ratio in isentropic nozzle
Critical pressure ratio
A
P2/P1 =
11
Q
Choking of nozzle
A
Where mass flow rate and velocity will not change on further decrease in pressure ratio
Power Plant
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