In: Mechanical Engineering
A shock wave in air exists in a de Laval nozzle where the cross-sectional area is 130 cm2.The inlet Mach number, area and static pressure are 0.35, 210 cm2 and 350 kPa. The exit area of the nozzle is 135 cm2. Find:
Solution:
Inlet mach number
Inlet area
Inlet pressure
From isentropic tables:
Area where normal shock occurs
From isentropic tables, at
From normal shock tables at
The back pressure to this shock wave to occur =?
Exit area
From isentropic tables at
The back pressure to the shock wave to occur is