Annals of the Assembly for International Heat Transfer Conference 13

ISBN 1-56700-225-0 / CD 1-56700-226-9

Year 2006

T. Nakano
Saga University, Japan

Shigeru Matsuo
Department of Mechanical Engineering, Saga University, 1, Honjo, Saga 840-8502, Japan

M. Tanaka
Saga University, Japan

M. M. Alam
Saga University, Japan

M. M. Ashraful Alam
Saga University, Japan

Toshiaki Setoguchi
Department of Mechanical Engineering, Saga University, 1, Honjo, Saga 840-8502, Japan

The effect of non-equilibrium condensation on supersonic internal flows around the cavity with the pressure oscillation was studied numerically for the flow Mach number 1.83 at the cavity entrance. Cavities with length L to depth D ratios L/D = 1.0 and 3.0 were investigated for that purpose. The occurrence of the non-equilibrium condensation helped to alter the oscillating shear layer in a favourable way so that the amplitude of cavity induced pressure oscillations reduced effectively. The results also showed that the effect of non-equilibrium condensation on the cavity flowfield with L/D = 1.0 is stronger than that of the cavity with L/D = 3.0.

CSN-04 pages DOI: 10.1615/IHTC13.p25.40 Download article

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