Computation of Discrete Hole Film Cooling Flow Using the Navier-Stokes Equations.

Abstract

An analysis and computational procedure are described here for predicting flow and heat transfer which results from coolant injection through a single row of round holes oriented normal to a flat surface. The present method solves the compressible Navier-Stokes equations and utilizes 'zone embedding', surface-oriented coordinates, iteractive boundary conditions, and an efficient split LBI scheme. The approach treats the near-hole flow region where the film cooling flow is initially established. A sample laminar flow calculation is presented for a ratio of normal injection to free stream velocity of 0.1. Although present results do not include heat transfer predictions, details of the interaction between injectant and main stream flow near the hole exit are in qualitative agreement with experimental observations for other flow conditions. (Author)

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Document Details

Document Type
Technical Report
Publication Date
May 01, 1980
Accession Number
ADA088807

Entities

People

  • H. Mcdonald
  • J. P. Kreskovsky
  • W. R. Briley

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Aerodynamic Characteristics
  • Boundary Layer
  • Computations
  • Coordinate Systems
  • Differential Equations
  • Equations
  • Film Cooling
  • Flow Fields
  • Flow Visualization
  • Fluid Flow
  • Free Stream
  • Geometry
  • Grids
  • Heat Transfer
  • Navier Stokes Equations
  • Reynolds Number
  • Turbulent Mixing

Fields of Study

  • Physics

Readers

  • Combustion and Flow Dynamics.
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)