Flow studies in non circular tubes with wall injection

Mukunda, H. S. ; Subhananda, A. ; Rao, M. Sambashiva (1977) Flow studies in non circular tubes with wall injection Combustion Science and Technology, 15 (1-2). pp. 21-30. ISSN 0010-2202

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Related URL: http://dx.doi.org/10.1080/00102207708946767


An analysis of inviscid incompressible flow in a tube of sinusoidally perturbed circular cross section with wall injection has been made. The velocity and pressure fields have been obtained. Measurements of axial velocity profiles and pressure distribution have been made in a simulated star shaped tube with wall injection. The static pressure at the star recess is found to be more than that at the star point, this feature being in conformity with the analytical result. Flow visualisation by photography of injected smoke seems to show simple diffusion rather than strong vortices in the recess.

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