Marginal hypervelocity penetration studies of single and double foil structures; experimental measurements and the possibilities of a 2 MV microparticle accelerator for comet meteoroid probe design explored

Details Marginal hypervelocity penetration studies of single and double foil structures; experimental measurements and the possibilities of a 2 MV microparticle accelerator for comet meteoroid probe design explored Marginal hypervelocity penetration studies of single and double foil structures; experimental measurements and the possibilities of a 2 MV microparticle accelerator for comet meteoroid probe design explored

Oct 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979esasp.153...93m&link_type=abstract

In ESA Comet Halley Micrometeoroid Hazard Workshop p 93-97 (SEE N80-22200 12-91)

Physics

4

Halley'S Comet, Hypervelocity Impact, Impact Tests, Space Probes, Spacecraft Shielding, Structural Design Criteria, Aluminum, Hypervelocity Guns, Metal Foils, Meteoroid Protection, Particle Acceleration, Penetration

Scientific paper

Current measurements in the determination of the limiting projectile size required for the penetration of a given thickness of micron scale targets as a function of the projectile velocity (marginal penetration) are reviewed. Data is most abundant for impacts of iron projectiles on aluminum targets and extends to 16 km/s for single foils. Data on the penetration of aluminum protected by a 5 micron mylar meteoroid bumper is included. To provide design parameters for the ESA Comet Halley probe shield, an extension of single foil and thick target experiments seems the most promising approach by using an existing 2MV accelerated, studies at 57 km/s velocity and impacts on new materials such as lexan could readily be made. Dimensional scaling is not severe and the overlap of micron and millimeter data at lower velocities provides an accurate base for such corrections.

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