Installing multilayer insulation against primary Whipple bumper reduces pressure-wall damage. Protection to Space Station based on Whipple bumper concept, "Multishock Shields Containing Aluminum Mesh" (MSC-21792). In addition to Whipple bumper, thermal insulation required and provided by multilayered insulation (MLI) consisting of 20 layers (alternating) of double-aluminized Mylar(R) and Dacron(R) netting. When MLI located against bumper, material still disintegrates, but extra space between MLI and pressure wall allows debris pressure cloud to expand so pressure cloud loading reduced. In addition, total amount of MLI material damaged considerably less when placed against Whipple bumper, which contributes to decrease in excess pressure and contents of expanding debris cloud.
Shield Design For Protection Against Hypervelocity Particles
NASA Tech Briefs ; 17 , 12
1993-12-01
Sonstige
Keine Angabe
Englisch
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