Accession Number : ADA329852

Title :   Ignition and Flame Stabilization in High Speed Flows.

Descriptive Note : Final rept. 1 Sep 94-31 Aug 97,

Corporate Author : PRINCETON UNIV NJ DEPT OF MECHANICAL AND AEROSPACE ENGINEERING

Personal Author(s) : Law, Chung K.

PDF Url : ADA329852

Report Date : 31 AUG 1997

Pagination or Media Count : 46

Abstract : Reduced mechanisms for ignition of hydrogen by heated air were deduced for the high-temperature/low-pressure and the low-temperature/high-pressure regimes. The reduced mechanisms were subsequently applied to the physical situations of the supersonic mixing layer and the counterflow through numerical simulation and activation energy asymptotics. Various ignition criteria were derived, and the issues of thermal versus radical induced ignition, external versus internal heating in inducing ignition, and quasi-steady versus transient ignition, were explored.

Descriptors :   *HYDROGEN, *IGNITION, LOW TEMPERATURE, HIGH TEMPERATURE, LOW PRESSURE, HIGH PRESSURE, FLAME PROPAGATION.

Subject Categories : Combustion and Ignition
      Physical Chemistry

Distribution Statement : APPROVED FOR PUBLIC RELEASE