Prediction of Minuteman Exhaust Plume Electrical Properties

Abstract

Results of a comprehensive investigation of Minuteman exhaust plume electrical properties are presented. Electron density and electron-neutral collision frequency profiles are given for the Stage 1 plume at 100 kft and the Stage 2 plume at 118,200 and 300 kft. This work is motivated by the need to determine plume electrical conductivities, input data to an evaluation of EMP/exhaust plume interactions. The calculations are described in detail and include analyses of: (1) two-phase nozzle flow via the method of characteristics, (2) nonequilibrium chemistry along nozzle and plume streamlines, (3) inviscid plume properties via the method of characteristics, (4) turbulent mixing /nonequilibrium chemistry along curved plume boundaries, and (5) nonequilibrium chemistry behind the Mach disc. The results include: gas and particle properties and chemical kinetic distributions of all neutral and charged species concentrations in the nozzle: inviscid boundaries, shock structure, Mach number contours and electron densities in the plume.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1973
Accession Number
AD0912169

Entities

People

  • H. S. Pergament
  • R. R. Mikatarian

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Boundaries
  • Cells
  • Chemistry
  • Combustion
  • Combustion Chambers
  • Conductivity
  • Electrical Properties
  • Electron Density
  • Electrons
  • Exhaust Plumes
  • Frequency
  • Gases
  • Mach Number
  • Method Of Characteristics
  • Pressure Distribution
  • Test And Evaluation
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Combustion and Flow Dynamics.
  • Fluid Dynamics.
  • Plasma Physics.

Technology Areas

  • Microelectronics