INVESTIGATION OF SENSITIVE FLOW PHENOMENA.

Abstract

Two brief reports are included. The first on porous tube flow carries out a simple analytical development of the self-ejecting boundary layer resulting in an integral differential equation describing the pressure and velocity as a function of the axial distance. The results of a computer program are shown. The second report investigates the effect of an indentation in a conduit with respect to minimizing pressure losses. A water table model is used consisting of a channel with a single rectangular cavity of variable depth. Using pressure measurements and hydrogen bubble flow visualization the least pressure loss is found when the cavity is equal in depth and width and a stable cavity vortex pattern is formed. (Author)

Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1967
Accession Number
AD0712730

Entities

People

  • Elisabeth D. Martínez

Tags

DTIC Thesaurus Topics

  • Boundary Layer
  • Computational Fluid Dynamics
  • Computer Programs
  • Computers
  • Differential Equations
  • Equations
  • Flow
  • Flow Visualization
  • Groundwater
  • Measurement
  • Pressure Measurement

Fields of Study

  • Physics

Readers

  • Fluid Dynamics.