Magnetically accelerated foils for shock wave experiments

Details Magnetically accelerated foils for shock wave experiments Magnetically accelerated foils for shock wave experiments

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009ap%26ss.322..189n&link_type=abstract

Astrophysics and Space Science, Volume 322, Issue 1-4, pp. 189-193

Astronomy and Astrophysics

Astrophysics

2

Flyer Acceleration, Shock Physics, Laboratory Astrophysics

Scientific paper

Many astrophysical phenomena involve the interaction of a shock wave with an inhomogeneous background medium. Using scaled experiments with inhomogeneous foam targets makes it possible to study relevant physics in the laboratory to better understand the mechanisms of shock compression and to benchmark astrophysical simulation codes. First experiments on Zebra at the Nevada Terawatt Facility (NTF) have demonstrated flyer acceleration to sufficiently high velocities (up to 5 km/s) and that laser shadowgraphy can image sound fronts in transparent targets. Based on this, we designed an optimized setup to improve the flyer parameters (higher speed and mass) to create shock waves in transparent media. Once x-ray backlighting with the Leopard laser at NTF is operational, we will switch to foam targets with parameters relevant for laboratory astrophysics.

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