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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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NASA NTRS1974

Heat Pipe Technology: A bibliography with abstracts

This bibliography lists 149 references with abstracts and 47 patents dealing with applications of heat pipe technology. Topics covered include: heat exchangers for heat recovery; electrical and electronic equipment cooling; temperature control of spacecraft; cryosurgery; cryogenic, cooling; nuclear reactor heat transfer; solar collectors; laser mirror cooling; laser vapor cavitites; cooling of permafrost; snow melting; thermal diodes variable conductance; artery gas venting; and venting; and gravity assisted pipes.

Source record↗

NASA NTRS1988

Support For Fragile Borescopes

Fixture supports thin borescopes during inspections through 0.0405-in. orifices. Porescopes, which have diameter of 0.037 in., extremely fragile and often fractured during inspections, contaminating inspected cavitites with debris. Nylon guide tip and acrylic support sleeve and body protect and guide a fragile borescope. Support sleeve press-fitted on body and removed when little clearance around orifice inspected. Otherwise, it helps to stablize fixture. Helps to prevent damage caused by vibrations and eliminates constantly moving view that afflicts unsupported small-diameter borescopes.

Brown, William S.↗