TECHNIQUE FOR THE ANALYSIS AND COMPUTERIZED DATA REDUCTION OF TIME-OF- FLIGHT DISTRIBUTIONS OF FREE-JET EXPANSIONS

Abstract

A velocity distribution function for a molecular beam formed from an aerodynamically accelerated source is developed from the Maxwell-Boltzmann distribution function for an effusive source. The distribution function is presented in a form compatible with the time-of-flight measurement technique for the experimental determination of such distributions. The expressions for several parameters of general interest, such as static temperature, speed ratio, energy, and velocity, are also presented. A description of a computerized data reduction technique for time-of-flight measurements is given. In addition, the effect of shutter functions and time delays in the accurate measurement of velocity distributions are discussed.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1970
Accession Number
AD0712372

Entities

People

  • H. M. Powell
  • J. A. Benek
  • M. R. Busby

Organizations

  • Arnold Engineering Development Complex

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Contracts
  • Coordinate Systems
  • Data Acquisition
  • Data Reduction
  • Detectors
  • Distribution Functions
  • Dynamics
  • Electric Vehicles
  • Engineering
  • Frequency
  • Gas Dynamics
  • Gases
  • Government Procurement
  • Measurement
  • Molecular Beams
  • Particles

Fields of Study

  • Physics

Readers

  • Fluid Dynamics.
  • Molecular Photonics/Laser Physics
  • Plasma Physics.