Propellant Burning Rate and Combustion Uniformity Identified by Ultrasonic Acoustic Emissions.

Abstract

A new method of measuring the burning rate of as-manufactured grains of nitrocellulose-based propellants was developed. Chamber pressurization to 50,000 psi (3400 atm) was achieved using a hydraulic pump, rather than a nitrogen intensifier system; the burning interval was monitored by recording the acoustic emission from the burning propellant. Burning rate variations of nitrocellulose-based propellants (M1 and M26), burning at pressures between 10,000 and 40,000 psi, were recognized by examining the level of the combustion-generated acoustic emissions.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1976
Accession Number
ADA049942

Entities

People

  • A. J. Saber
  • L. H. Caveny
  • M. Summerfield

Organizations

  • Princeton University

Tags

Communities of Interest

  • Space

DTIC Thesaurus Topics

  • Acoustic Emissions
  • Burning Rate
  • Combustion
  • Combustors
  • Data Analysis
  • Double Base Propellants
  • High Pressure
  • Ignition
  • Ignition Systems
  • Instrumentation
  • Measurement
  • Propellant Grains
  • Propellants
  • Single Base Propellants
  • Solid Propellants
  • Standards
  • Transducers

Fields of Study

  • Physics

Readers

  • Internal Combustion Engine (ICE) Technology.
  • Mathematics or Statistics
  • Rocket Propulsion.