MICROSTRUCTURAL MECHANISMS
OF HETEROGENEOUS COMBUSTION IN GASLESS REACTION SYSTEMS

Outline of Presentation

Heat Conduction in Porous Media

Rapid High-Temperature Reactions Occur in Combustion Front

Different Combustion Regimes

Characteristic Temperature Profiles

What is in Reality?

Digital High-Speed Microscopic Video Recording Technique

NOTE

Sequence of Video Microimages for Combustion Wave Propagation

Combustion Front Characteristics

Characteristics of Combustion Front Propagation

Distribution of Instantaneous
Combustion Velocity

Influence of Reaction Medium Density on Combustion Mechanism

More Precise Observations

Structure of Reaction Front

Video Frames of
 Combustion Front Propagation

Schematic map of hot spots distribution

Distribution of Hot Spot Size

Propagation of Reaction Front
Relative to Regions of Hot Spot Existence

Distribution of Time Elapsed between Appearance of Related Hot Spots

Combustion Front Characteristics via
Initial Density of Reaction Medium

What This Means

What This Means

Relevant Publications

Acknowledgments