The first parabolic flight campaign of the Vip-Gran instrument were performed in Bordeaux  (France) in November 2015. The main goal of this campaign was to demonstrate the compliance of the instrument (built by DTM Technologies) with the Scientific Requirements.

Top: Clustering regime in low gravity – 3D cell. Volume fraction of 13.3% (4052 bronze beads of 1 mm + 250 bronze beads of 2 mm)

Bottom: Gaseous regime in low gravity – 3D cell. Volume fraction of 3.1% (1052 bronze beads of 1 mm)