COMBUSTION CHEMISTRY OF HIGH ENERGY PYROPHORIC FUELS

Abstract

The research reported is directed toward further understanding of the fundamental processes in supersonic combustion. Part One describes a branching chain mechanism constructed for oxy-diborane mixtures diluted in argon. Included in this postulated mechanism is the production of hydroxyl as an ignition intermediate. A spectrograph was used to view the oxy diborane system through the end plate of a single pulse shock tube. Hydroxyl and several boron intermediates were identified, qualitatively verifying both mechanism and equilibrium calculations. Ignition induction measurements were performed up to 950K behind the reflected shock wave. These measurements extend previously known data by two orders of magnitude in the induction time. Part Two of this report describes the CAL Nonequilibrium Normal Shock Wave Program which was extended for use with highly exothermic branching chain reactions, checked out with known hydrogen oxygen kinetics, and reformulated to include transport and radiative energy transfer mechanisms.

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Document Details

Document Type
Technical Report
Publication Date
May 26, 1969
Accession Number
AD0693325

Entities

People

  • Charles A. Andrade

Organizations

  • Martin Marietta

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies
  • Ground and Sea Platforms
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Boundary Layer
  • Chemical Kinetics
  • Chemical Reaction Properties
  • Chemical Reactions
  • Chemistry
  • Combustion
  • Computational Fluid Dynamics
  • Dissociation
  • Energy Transfer
  • Exothermic Reactions
  • Fluid Dynamics
  • Measurement
  • Physics Laboratories
  • Spectra
  • Systems Engineering
  • Thermal Conductivity

Fields of Study

  • Physics

Readers

  • Combustion Dynamics and Shock Wave Physics.
  • Combustion science or combustion engineering.
  • Computational Modeling and Simulation

Technology Areas

  • Hypersonics
  • Hypersonics - Hypersonic Flight
  • Hypersonics - Hypersonic Flow