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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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At least 325 records · Page 18
All sourcesNASA NTRSDOE OSTI
NASA NTRSDate not supplied

NASA Rotating Detonation Rocket Engine Concept Development Status & Scope

This presentation is a program update for the members of the JANNAF RDRE Panel. There is no technical content. A list of NASA sponsored projects is provided, along with the motivation for NASA’s involvement in the development of this type of propulsion system, and key technology gaps that need to be addressed.

Propulsion↗
NASA NTRS1970

Detonation hazards with ''safe'' industrial solvents

Sensitivities of various metal/halocarbon slurries to impact are given. Barium and lithium shavings show sensitivity with all of the halocarbons tested except methyl chloroform. Powdered aluminum, magnesium titanium, and beryllium show sensitivity with several halocarbons but generally require a higher level of initial energy.

Fingerhood, C. R.↗
NASA NTRS1973

Nearly spherical constant power detonation waves driven by focused radiation

Shape and inner flow of a tridimensional spark are studied. The spark is created by focusing a laser beam in a gas. A second order fully non-linear equation is derived for the radial velocity on the axis of symmetry in the neighborhood of the origin. Solutions to that equation display the existence of a forbidden region near the focus, thus indicating the limits of applicability of a small perturbation solution.

George, Y. H.↗