IGNITION MODELING WITH GRID ADAPTATION

Document Type

Conference Proceeding

Department

Mechanical Engineering

Conference Title

Western States Section, Combustion Institute (Paper)

Date of Presentation

12-1-1985

Abstract

We have developed a computational model that can predict the detailed chemical behavior of ignition in fuel-air mixtures. The physical problem we have chosen as an illustration here is one in which thermal energy is added at the center of an enclosed chamber filled with premixed fuel and oxidizer. We solve one-dimensional conservation equations for compressible flow in planar, cylindrical, or spherical coordinates and employ a grid adaptation scheme to follow dynamically the motion of thin fronts. The model computes the transient development of a self-propagating deflagration, if it occurs, and follows the fluid dynamic behavior of pressure waves that are generated by the fluid expansion.

ISSN

0010-2199

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