Similarity-Law Characterization Methods for Arbitrary Hydrodynamic Roughnesses.

Abstract

Methods are described for obtaining similarity-law characterization for arbitrary roughnesses indirectly from pipe-flow head loss, flat-plate drag, and rotating-disk torque. The roughness characterizations are used to make viscous drag predictions by means of boundary-layer calculations. A simplified drag prediction method using form factors and equivalent rough flat plates is described in detail. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1978
Accession Number
ADA053563

Entities

People

  • David W Taylor
  • Paul S. Granville

Tags

Communities of Interest

  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Boundary Layer
  • Boundary Layer Flow
  • Diameters
  • Engineering
  • Equations
  • Fluid Dynamics
  • Friction
  • Geometry
  • Layers
  • Measurement
  • Reynolds Number
  • Roughness
  • Shear Flow
  • Shear Stresses
  • Skin Friction
  • Turbulent Flow
  • Turbulent Mixing

Fields of Study

  • Physics

Readers

  • Computational Modeling and Simulation
  • Fluid Dynamics.