Heat transfer and hydraulic resistance in annular channels with smooth and rough heat transfer surfaces
Air flow heat transfer in annular channels with resistance provided by aperture roughness
Puchkov, P. I.↗
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Results for “ROUGHNESS”
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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Calculations of the effect of roughness on microwave emissivity with application to the moon and Venus
Geometric optics approach to calculating surface roughness effects on microwave emissivity from Moon and Venus
Hetherington, N.↗
Influence of surface roughness and waviness upon thermal contact resistance
Surface roughness and waviness effects on thermal resistance between contacting solids
Rohsenow, W. M.↗
An analysis of the roughness length associated with the NASA 150-meter meteorological tower
Surface roughness length analysis of 150 meter meteorological tower at Cape Kennedy launch complex
Fichtl, G. H.↗
Effect of surface roughness on the 0.66-micron normal spectral emittance of vapor-deposited rhenium from 1500 deg K to 2100 deg K
Surface roughness effects on normal spectral emittance of vapor deposited rhenium
Cipollone, P.↗
Drag due to two-dimensional surface roughness in a turbulent boundary layer at Mach 3 with and without heat transfer
Heat transfer effect on drag due to surface roughness in supersonic turbulent boundary layer
Czarnecki, K. R.↗
Directional emittance of an electric nonconductor as a function of surface roughness and wavelength.
Directional distributions of thermal radiation emittance measured for influence of surface roughness of electric nonconductor
Sparrow, E. M.↗
Bidirectional reflectance of rough metal surfaces.
Rough metal surface bidirectional reflectance, using Davies and Beckmann models
Hering, R. G.↗
Rough surface scattering on a communication link.
Rough surface scattering on communication link using isotropic antennas, noting fading characteristics
Staras, H.↗
The influence of surface roughness on the heat transfer to gaseous hydrogen flowing turbulently in round cross-sectional tubes.
Surface roughness effect on heat transfer to hydrogen gas turbulent flow in round cross section tubes, noting heat transfer coefficient increase
Mccarthy, J. R.↗
Development of a chemical heater for a Mars rough-landing capsule
Chemical reaction heater for Mars rough-landing capsule
Gram, M. B.↗
Effect of unit Reynolds number, nose bluntness, angle of attack, and roughness on transition on a 5 deg half-angle cone at Mach 8
Effect of unit Reynolds number, nose bluntness, angle of attack, and roughness on transition on 5 degree half-angle cone at Mach 8
Stainback, P. C.↗
Probable deviations in altitude reading given by the LM altimeter for the most rough surface along a certain given trajectory
Random noise calculations in altitude reading of lunar module altimeter for rough surfaces target
Hayre, H. S.↗
The use of spectral analysis in describing lunar surface roughness
Spectral analysis use for describing lunar surface roughness
Rozema, W.↗
Reflection and transmission of dipole radiation in presence of an extended boundary, rough and smooth
Reflection and transmission of dipole radiation with rough or smooth boundaries
Erteza, A.↗
The omnidirectional scattering of acoustic waves from rough surfaces with application to electromagnetic scattering
Theoretical and experimental studies on acoustic and electromagnetic wave scattering from rough surfaces
Parkins, B. E.↗
Calculations of the effect of roughness on microwave emissivity with application to the moon and Venus.
Roughness effect on microwave emissivity according to geometric optics with application to moon and Venus
Hetherington, N.↗
Doppler return from a random rough surface.
Doppler echo from random rough surface, discussing average power return, frequencies, amplitudes, antenna beamwidth and radar data correlation
Broderick, R. F.↗