Prediction of Laminar-to-Turbulent Boundary Layer Transition in Axial-Flow Turbomachinery.

Abstract

This paper first reviews current analytical studies regarding the laminar-to-turbulent boundary layer transition process, including relevant analysis of laminar separation, and then covers analytical and experimental studies concerning parametric effects on transition pertinent to axial-flow turbomachine blade rows. These include the effects of pressure gradient, freestream turbulence, surface roughness, heat transfer, and combined effects. Finally, the work of various authors who have established data correlations for transition on axial-flow turbomachine blade rows is evaluated. Their predictive equations and charts have been presented as a reference guide for determining the transition region on blades. Additionally, equations for calculating transitional boundary layer growth are presented. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1981
Accession Number
ADA108642

Entities

People

  • Charles E. Kluck

Organizations

  • Iowa State University

Tags

Communities of Interest

  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Axial Flow
  • Boundary Layer
  • Boundary Layer Transition
  • Computational Fluid Dynamics
  • Flow Visualization
  • Fluid Dynamics
  • Fluid Mechanics
  • Heat Transfer
  • Hydrodynamics
  • Measurement
  • Mechanics
  • Pressure Distribution
  • Pressure Gradients
  • Three Dimensional
  • Turbomachinery
  • Turbulent Flow
  • Turbulent Mixing

Fields of Study

  • Physics

Readers

  • Aerodynamics.
  • Fluid Dynamics.
  • Materials Science and Engineering.