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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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Coaxial three coil probe measuring local electrical conductivity and velocity in plasma streams, discussing operations in electrolytes and axisymmetric plasma stream
Lunar dynamic response to discontinuities in interplanetary magnetic field to determine electrical conductivity and internal temperature
Exact analytic solution for thermal conductance of two dimensional eccentric constriction in dimensionless numbers
Shock heated argon thermal conductivity studied by optical interferograms, deriving equation for measured mean value
Heat conduction orientation anisotropy in linear amorphous high polymers due to uniaxial stretching, noting molecular weight distribution and temperature effects
TEM mode reflection coefficient for symmetric parallel plate waveguide composed of adjacent conducting wedges composition and radiating into perfectly reflecting sheet
Line source technique for ablative heat shield materials thermal conductivity measurements, comparing vacuum and atmospheric test results
Absolute thermal conductivity measurements on fluid normal H and fluid parahydrogen, noting apparatus and data graphical presentation along isotherms, isochores and isobars
Equatorial radiation pattern of parallel plate TEM mode axial slot on elliptical conducting cylinders, using wedge diffraction and creeping wave theory
Microwave reflection technique for transient and quiescent electrical conductivity of Si, noting nonohmic contacts
Thermal isolation characteristics of low conductance interstitial materials determined, using test apparatus of axially loaded radiation shielded cylindrical column in vacuum
Thermal conductivities /K/ of rock forming minerals reveals K as linear function of density for constant mean atomic weight
Lateral heat conduction and radiation along two parallel long plates separated by nonabsorbing dielectric with refractive index of unity
New apparatus allows accurate simultaneous measurement of thermal conductivity, electrical resistivity, and thermopower for technically important materials, such as new or uncommon alloys. A list of materials investigated is presented. Sources for obtaining data on these materials, as well as the source giving a description of the apparatus, are cited.
Gage permits determination of stagnation conductivity from measurement of shunt impedance presented by the plasma between the inner and outer conductors of a segment of coaxial transmission line. Response of gage permits its use in shock-tube work and research on explosive propagation.
Lightweight, compact probe structure has low thermal conductance to enable accurate measurement of slight temperature gradients. Probe combines ruggedness, high precision, accuracy, and stability. Device can withstand vibration, shock, acceleration, temperature extremes, and high vacuums, and should interest industrial engineers and geologists.
Solution to modified Chapman-Enskog kinetic equation for calculating electrical conductivity of nonequilibrium plasma
Electrolytic conductivity of aqueous solutions of sodium halides