Variability reduction and experimental techniques for improving performance of the International Space Station Kit for external Repair of Module Impacts

Chaudhary, Ravi; Moras, Rafael; Hall, Stephen; Bohl, William
January 2000
AIP Conference Proceedings;2000, Vol. 504 Issue 1, p562
Academic Journal
The Kit for Repair of Module Impacts, or KERMIt, is designed to provide astronauts with a patch kit to seal damaged International Space Station (ISS) modules. The patch is applied externally to the ISS module and requires Extravehicular Activity (EVA), or space-walks, in order to install the patch. Installation is crew intensive and requires injection of an adhesive to form a lasting environmental seal, restoring atmospheric conditions inside the module. A five-step analysis of the KERMIt program revealed two critical processes which, when controlled, provided measurable performance gains in the KERMIt system. Adhesive injection and flow was the first critical process, requiring variability reduction techniques to improve adhesive flow and formation. Analysis of KERMIt installation procedures required refinement of experimental methods in order to determine areas of improvement. Verification testing validated both methods, demonstrating the effectiveness of control techniques for refining KERMIt performance. © 2000 American Institute of Physics.


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