System:

Acetylene/Air diffusion flame stabilized on a 50 mm diameter burner. Reynolds number = 840.

Lighting:

5W Argo/Ion laser sheet.

Features:

Mie Scattering from soot particles show the presence of streaks.

Special Interest:

Vortex on the right side of the image is due to the "bursting" phenomena commonly associated with boundary layer flows.

Photo:

10 msec exposure on 1600 ASA film, with no filters.