SEARCH · Search NASA
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.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Analytical investigation of flow and wall temperature sensitivity in heated passages for large inlet to exit density ratios in subsonic flow of nuclear rocket
Axial flow compressor design computer programs incorporating radial distribution of total pressure and flow path or axial velocity ratio
Supersonic jet noise generation by radial annular jet flow impinging on first shock cell region of axisymmetric converging main jet flow
Reduction of noise from underexpanded axisymmetric jet flows using radial jet flow impingement
Water vortex flow visualization to investigate flow stability and patterns in radial outflow vortices
Electron beam flow visualization technique for observing low density hypersonic He flows, confirming wing-shock body-shock system existence
Outer case bleeding or blowing effects on casing insert of single stage axial flow compressor with distorted inlet flow
Flow measurements of secondary motions in axial flow impellers
Flow field and drag characteristics of several laminar boundary layer tripping element in hypersonic flow
Flow and heat transfer measurements for heated air in subsonic flow through contraction section connecting tube to conical section
Mass flow rates for nearly free molecular flow through two dimensional slit for several tank pressure ratios
Fixed position pressure probe for measuring subsonic flow direction over range of Reynolds number, Mach number and flow angle
Flow liner eliminates high-cycle fatigue in ducts carrying cryogenic fluids. It is capable of handling two-directional, high-velocity cryogenic liquid flow with a 3-inch axial motion without binding within a 25-inch length.
Studies of the properties of five metals with varying tube-wall thickness, with or without and internal coating of trifluorochloroethylene polymer, show that wall characteristics influence flow stability, affect heat transfer coefficients, and influence the transition point from dry- to wet-wall flow.
Calculation of natural gas flow through critical flow nozzles
Approximation for distribution of flow properties in angle of attack plane of conical flows
Mass flow rate calculation of methane and natural gas mixtures through critical flow nozzles
Polymeric materials flow at tube entrance, discussing pressure drop and flow birefringent patterns at tapered and sharp entrances