Non-Parallel Stability of Boundary-Layer Flows,

Abstract

The spatial stability of two-dimensional incompressible boundary-layer flows is analyzed by using the method of multiple scales. The analysis takes into account the streamwise variations of the mean flow, the disturbance amplitude, and the wavenumber. The theory is applied to the Blasius and the Falkner-Skan flows. For the Blasius flow, the non-parallel analytical results are in good agreement with the experimental data. The results show that the non-parallel effects increase as the pressure gradient decreases.

Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1975
Accession Number
ADA006918

Entities

People

  • Ali. H. Nayfeh
  • William S. Saric

Organizations

  • Virginia Tech

Tags

DTIC Thesaurus Topics

  • Agreements
  • Amplitude
  • Boundaries
  • Boundary Layer
  • Boundary Layer Flow
  • Cooperation
  • Experimental Data
  • Flow
  • Layers
  • Pressure Gradients
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Fluid Dynamics.