Advanced Two-Phase Investigation in an Erosion-Ablation Facility Including Flow Diagnostics.

Abstract

Theoretical and experimental research was conducted to investigate the geometrical and fluid mechanical parameters important in the acceleration of solid particles to hypersonic velocities. A combination-heated erosion-ablation facility providing flows with reservoir enthalpies up to 2000 Btu/lb was assembled and techniques for injecting well-controlled amounts of silicon dioxide particles into the nozzle flow were developed. A laser doppler velocimeter was at the nozzle exit. A digital signal processor capable of measuring particle velocities up to 8000 ft/sec was designed and assembled. Performance characteristics of the various system components are discussed. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1977
Accession Number
ADA053809

Entities

People

  • E. Mccovey
  • K. D. Korkan
  • S. L. Petrie
  • T. S. Rice

Organizations

  • Ohio State University

Tags

Communities of Interest

  • Energy and Power Technologies
  • Weapons Technologies

DTIC Thesaurus Topics

  • Beds (Process Engineering)
  • Boundary Layer
  • Circuit Boards
  • Combustion
  • Computer Programs
  • Filters
  • Flow Fields
  • High Pass Filters
  • Injectors
  • Laser Beams
  • Measurement
  • Printed Circuit Boards
  • Printed Circuits
  • Specific Heat
  • Test Facilities
  • Velocimeters
  • Waveforms

Fields of Study

  • Physics

Readers

  • Fluid Dynamics.
  • Radar Systems Engineering.

Technology Areas

  • Directed Energy
  • Hypersonics
  • Hypersonics - Hypersonic Flow