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High Speed Video Recording

High Speed Video Camera (Phantom V710)

monochrome high-speed video recording in HD resolution at up to 7.530 fps; at reduced resolution up to 685.800 fps possible; 1 µs minimum exposure, several lenses (Nikon F-mount standard); two flicker-free HQI-TS Lights for uniform areal illumination; 4 LED-cluster for spot illumination.

Description of device:
The monochrome high-speed camera can be synchronized with a whole suite of sensor recordings (P, T, piezos, …) via a powerful data acquisition device (Yokogawa WE7000).So far it has been used to investigate:

  • fragmentation processes of natural samples (magmatic – phreatic)
  • expansion and fragmentation of analogue material
  • particle ejection velocity / behaviour
  • shock wave phenomena
  • rock fracturing and ash formation during compressive strength tests
hsc-2 Recording of rock fragmentation event; typically full fragmentation is achieved in the order of <1-3 ms (length of sample: 60mm)
(Fowler A.C., Scheu B., Lee W.T., and McGuinness M.J. (2010) A theoretical model of the explosive fragmentation of vesicular magma, Proceedings of the Royal Society A, 466, 731–752, doi:10.1098/rspa.2009.0382.)

Recording of particle ejection following rock fragmentation.
(Alatorre-Ibargüengoitia M.A., Scheu B., and Dingwell D.B. (2011) Influence of the fragmentation process on the dynamics of Vulcanian eruptions: an experimental approach, Earth and Planetary Science Letters, 302, (1-2) 51-59,doi:10.1016/j.epsl.2010.11.045.)


Dr. Bettina Scheu
Phone: +49 (0) 89 2180 4259