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An experimental study of suddenly expanded rectangular jet flow field

Rathakrishnan, E and Ignatius, TJ and Raju, Channa (1991) An experimental study of suddenly expanded rectangular jet flow field. In: Mechanics Research Communications, 18 (1). pp. 1-9.

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Official URL: http://dx.doi.org/10.1016/0093-6413(91)90019-S


Flow through a rectangular Passage which is expanded suddenly into another rectangular duct of larger Cross-sectional area has been studied experimentally with stagnation Pressures from 3.5 atmospheres to 1.25 atmospheres. The length to height ratio of the enlarged duct varied from 5.769 to 1.923 and three models with length to height ratios 5.769, 3.846, and 1.923 were studied. The influence of stagnation Pressures and length to height ratio of the enlarged duct on base pressure and flow field mean pressures in the enlarged duct is discussed. The results of the present investigation indicate that the oscillatory nature of the mean pressure flow field in the enlarged portion with rectangular cross-section is appreciably different from that for circular cross-section at similar flow conditions.

Item Type: Journal Article
Publication: Mechanics Research Communications
Publisher: Elsevier science
Additional Information: Copyright of this article belongs to Elsevier science.
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited: 11 Nov 2010 05:34
Last Modified: 11 Nov 2010 05:34
URI: http://eprints.iisc.ac.in/id/eprint/33622

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