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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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We discuss the theoretical solution to the differential equations governing accelerating edge dislocations in anisotropic crystals. This is an important prerequisite to understanding high-speed dislocation motion, including an open question about the existence of transonic dislocation speeds, and subsequently high-rate plastic deformation in metals and other crystals.
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Rarefied gas dynamics - sharp leading edge problem in rarefied hypersonic flow
Forced-convection heat-transfer characteristics for incompressible laminar flow between parallel walls with unequal temperatures under conditions of low gas density
Radiative heat transfer through nonisothermal absorbing and emitting gray gas between heated walls
Low density phenomena effect on heat transfer for laminar flow in flat duct or circular tube with uniform wall heat flux
Numerical analysis of electric current and potential distributions in linear Faraday plasma accelerators
Low vapor pressure lubrication for electrical and mechanical systems of OSO program
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System prevents wire saw slippage by providing sufficient friction to turn idler spools even when turns of wire on spools do not provide sufficient friction. Low cost system is easily applied to existing equipment.
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The equivalent representation of brakes and coupling by lumped circuits is investigated. Analytical equations are derived for relating the indices of the transients to the parameters of the equivalent circuits for arbitrary rotor speed. A computer algorithm is given for the calculations.
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