Flight Test Data Comparing Electron Attachment by Ablation Products and by Liquid Injection,

Abstract

Teflon ablation as a mechanism for altering the electron concentration in the flow surrounding a vehicle was examined under reentry conditions. This was a companion flight to a liquid injection test which used Freon 114B2. Data will be presented on the effect of the ablation products on the flow. These results will then be compared with those of the injection flight. Measurements were obtained by microwave techniques and paired electrostatic probe measurements of positive ion and electron densities. The results of both tests showed significant electron reduction with the dominant mechanism being negative ion formation. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1975
Accession Number
ADA048372

Entities

People

  • Dallas T. Hayes
  • J. Leon Poirier
  • John F. Lennon
  • Sheldon B. Herskovitz

Organizations

  • Air Force Cambridge Research Laboratories

Tags

Communities of Interest

  • Counter IED
  • Energy and Power Technologies
  • Materials and Manufacturing Processes
  • Weapons Technologies

DTIC Thesaurus Topics

  • Ablation
  • Additives (Chemicals)
  • Air Force
  • Antennas
  • Boundary Layer
  • Charged Particles
  • Cooling
  • Electron Density
  • Electrons
  • Electrostatic Probes
  • Flow
  • Ion Density
  • Ions
  • Liquids
  • Measurement
  • Microwaves
  • Noses

Readers

  • Aerodynamics/Aeronautics.
  • Combustion science or combustion engineering.
  • Semiconductor Device Technology

Technology Areas

  • Microelectronics