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Compressible Boundary-Layer Swirling Flow in a Nozzle and a Diffuser With Highly Cooled Wall

Kumari, M and Nath, G (1979) Compressible Boundary-Layer Swirling Flow in a Nozzle and a Diffuser With Highly Cooled Wall. In: Journal of Applied Mechanics, 46 (2). pp. 275-280.

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Abstract

The steady laminar compressible boundary-layer swirling flow with variable gas properties and mass transfer through a conical nozzle, and a diffuser with a highly cooled wall has been studied. The partial differential equations governing the nonsimilar flow have been transformed to a system of coordinates using modified Lees transformation. The resulting equations are transformed into coordinates having finite ranges by means of a transformation which maps an infinite region into a finite region. The ensuing equations are then solved numerically using an implicit finite-difference scheme. The results indicate that the variation of the density-viscosity product across the boundary layer and mass transfer have strong effect on the skin friction and heat transfer. Separationless flow along the entire length of the diffuser can be obtained by applying suction. The results are found to be in good agreement with those of the local nonsimilarity method but they differ appreciably from those of the local similarity method.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to The American Society of Mechanical Engineers.
Department/Centre: Division of Physical & Mathematical Sciences > Mathematics
Date Deposited: 25 Sep 2010 07:05
Last Modified: 25 Sep 2010 07:05
URI: http://eprints.iisc.ernet.in/id/eprint/32406

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