PIV Measurements of the Cross-Flow Velocity Field Around a Turning Submarine Model (ONR Body-1). Part 1. Experimental Setup

Abstract

Particle Image Velocimetry (PIV), a quantitative flow visualization technique, was utilized to characterize the flow field around a sting-mounted captive model in a steady turn. The submarine model (ONR Body-I) was also instrumented with block gages, yielding force and moment data in tandem with the detailed map of the cross-flow velocity field. The near wake flow field is observed to be dominated by complex interactions of large-scale vortical structures from the hull separated flow and the tip vortices from the sail and various control surfaces. In addition, the incorporation of micro-vortex generators (MVGs) on the submarine model is shown to have significant effects on the flow field and the resulting forces and moments on the submarine model.

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 2002
Accession Number
ADA401545

Entities

People

  • David E. Hess
  • Paisan Atsavapranee
  • Thomas C. Fu

Organizations

  • Naval Surface Warfare Center Carderock Division

Tags

Communities of Interest

  • Air Platforms
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Boundary Layer
  • Computational Fluid Dynamics
  • Control Surfaces
  • Cross Flow
  • Flow Fields
  • Flow Visualization
  • Fluid Dynamics
  • Fluid Flow
  • Generators
  • Measurement
  • Models
  • Particle Image Velocimetry
  • Stratified Fluids
  • Submarine Models
  • Surfaces
  • Vehicles
  • Vortex Generators

Readers

  • Fluid Mechanics and Fluid Dynamics.
  • Marine Hydrodynamics