DETERMINATION OF INDUCTION TIMES IN ONE-DIMENSIONAL DETONATIONS,

Abstract

One-dimensional detonations are established in a converging-diverging nozzle at low initial pressures. Pulsed light schlieren photography displays the shock wave and the density gradient which signals the beginning of rapid chemical reaction after the induction period. Induction time ( ) has been studied over the ranges 880 < T < 1600 K, 15 < p1 < 40 mmHg and 2.5 < < 21 microsec for the hydrogen-oxygen reaction. Data are presented mostly for 2H2 + O2 + 3.76N2, and 2H2 + O2 + 4A and compared with that obtained theoretically in other kinetic studies. Schlieren photographs taken when a weak shock passes over the combustible mixture show some of the features of detonation formation. (Author)

Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1963
Accession Number
AD0428498

Entities

People

  • G. J. Mullaney
  • R. Arave

Organizations

  • Boeing

Tags

DTIC Thesaurus Topics

  • Cameras
  • Chemical Reactions
  • Detonations
  • Hydrogen
  • Optical Equipment
  • Photographic Equipment
  • Photographic Materials
  • Photographs
  • Photography
  • Schlieren Photography
  • Shock
  • Shock Waves
  • Waves

Fields of Study

  • Physics

Readers

  • Combustion Dynamics and Shock Wave Physics.
  • Combustion and Flow Dynamics.