Abstract
In this study, the interaction between the supersonic main duct flow and jet surrounded by a porous cavity was experimentally investigated by means of schlieren flow visualization and measurements of flow direction in a cavity underneath of jets. The detection of flow directions was done with so called thermal tuft probe that has two heat sensors and one heat source middle of the two sensors. The parameters of the experiments are jet arrangements and pressure ratio defined by the ratio of total pressure in the settling chamber to atmospheric pressure. As a result, the backward flow in the cavity is confirmed in case of jet injections. Moreover, it is found that the change in the flow direction has dominant frequency between 300HZ and 400Hz only when the starting shock wave exists around the porous cavity
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References
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Kuniyoshi, N., Yaga, M., Teruya, I., Ishikawa, M. (2015). Experimental Study of Effect of Jets Injected into Supersonic Main Flow on Porous Cavity. In: Bonazza, R., Ranjan, D. (eds) 29th International Symposium on Shock Waves 2. ISSW 2013. Springer, Cham. https://doi.org/10.1007/978-3-319-16838-8_73
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DOI: https://doi.org/10.1007/978-3-319-16838-8_73
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-16837-1
Online ISBN: 978-3-319-16838-8
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