SPACE TIME CORRELATIONS OF THE BOUNDARY LAYER PRESSURE FIELD IN NARROW FREQUENCY BANDS.

Abstract

Expressions are derived for the space-time correlation of the surface pressure field of a turbulent boundary layer in narrow frequency bands. On the basis of convection of an 'almost frozen' pressure field the amplitude of the filtered correlation in the flow direction is found to be dependent on spatial separation but independent of frequency. Empirical representations of the overall correlations of the pressure field and experimental measurements are given to illustrate the results obtained. (Author)

Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1963
Accession Number
AD0425694

Entities

People

  • M. K. Bull

Organizations

  • University of Southampton

Tags

DTIC Thesaurus Topics

  • Amplitude
  • Boundaries
  • Boundary Layer
  • Frequency
  • Frequency Bands
  • Layers
  • Measurement
  • Turbulent Boundary Layer

Fields of Study

  • Physics

Readers

  • Acoustics.
  • Fluid Dynamics.

Technology Areas

  • Space
  • Space - Hall-Effect Thruster