A CALCULATION METHOD FOR CONVECTIVE HEAT AND MASS TRANSFER IN MULTIPLY-SLOTTED FILM-COOLING APPLICATIONS

Authors
  1. Murray, S.B.
Corporate Authors
Defence Research Establishment Suffield, Ralston ALTA (CAN)
Abstract
A computer model to calculate the development of wall jet boundary layers downstream of multiple film-cooling slots is described. The differential equations for the conservation of mass, momentum and energy in an incompressible two-dimensional or axisymmetric flow are solved using a downstream-marching, iterative, implicit, finite-difference scheme. The turbulent transport of mass in a conventional wall boundary layer is described by means of an inner-outer two-layer eddy-viscosity model based on the Prandtl mixing-length hypothesis with Van Driest's modification in the near-wall region. Further alterations to include the effects of pressure gradients, heat and mass transfer are due to Cebeci and Smith. This basic model is extended to include cases with tangential fluid injection.
Report Number
TP-507 —
Date of publication
15 Jan 1980
Number of Pages
87
DSTKIM No
80-00730
CANDIS No
88431
Format(s):
Hardcopy;Originator's fiche received by DSIS

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