- Shape of
convective cell in Faraday experiment with fine granular materials
-
Krishna Kumar1, Éric
Falcon2, Kapil Bajaj3&
Stéphan Fauve2
- 1 PAMU,
Indian Statistical Institute, 203, B T Road, Calcutta 700 035, India.
- 2 LPS,
École Normale Supérieure, 24, rue Lhomond, 75005, Paris,
France.
- 3
Department of Physics and Centre for Nonlinear Science, UCSB, CA 93106,
USA.
- Reference:
-
Physica A , 270, 97-104 (1999).
- Abstract:
-
The shape of convective cell at
the onset of heap formation in the Faraday experiment with fine
granular materials is studied in a simple experiment. The motion of
fine grains are found to be confined in a single thin conical cell
instead of a pair of convective cells as considered previously. The
subsequent pattern-selection is strongly affected by the shape and size
of the grains as well as the presence of ambient air.