Aerospace Engineering > GATE 2012 > Wind Tunnels
In a closed-circuit supersonic wind tunnel, the convergent-divergent (C-D) nozzle and test section are followed by a C-D diffuser to swallow the starting shock. Here, we should have the
A
diffuser throat larger than the nozzle throat and the shock located just at the diffuser throat.
B
diffuser throat larger than the nozzle throat and the shock located downstream of the diffuser throat.
C
diffuser throat of the same size as the nozzle throat and the shock located just at the diffuser throat.
D
diffuser throat of the same size as the nozzle throat and the shock located downstream of the diffuser throat.

Correct : a

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