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.
Quick-opening, intermittent flow valve requires a small amount of electrical energy to open and which closes by the restoring action of a rubber stop. This eddy current disk valve opens in less than 100 microseconds and takes only 10 joules of energy.
Programmed instruction textbook on principles of eddy currents for use in nondestructive testing
Equipment, methods, and applications for eddy currents in nondestructive testing - programmed instruction textbook
Eddy current principles, equipment, methods, and applications in nondestructive testing reviewed in classroom training textbook
Negative eddy conductivities and viscosity generation in presence of buoyancy and shear, noting turbulence decay with time
Eddies structure embedded in swirling incompressible fluid assuming laminar motion and flow field axial symmetry
Eddy current torques on bodies rotating relative to uniform magnetic field
Velocity profiles and eddy diffusivities for fully developed turbulent low Reynolds number pipe flow
Eddy current damping systems for gravity gradient stabilized satellites, discussing electromagnetic torque and various parametric relationships
Eddy diffusion coefficients due to instabilities in internal gravity waves near mesopause
Electronic flaw simulator cycled into the eddy current system eliminates errors in probe calibration. A discrimination level reference established in the probe permits recognition of those flaws in materials with an equivalent volume equal to or greater than the reference.
Wind determination based on eddy transit times measured between four nonintersecting light beams
Improved prediction of concentration and velocity profiles in two-fluid coaxial free jet with eddy viscosity equations
Anticyclonic and cyclonic eddies near Somali Coast
Multiple tests with eddy current proximity gage for determining thickness of concrete pavements
Shear-stress, eddy-viscosity, and mixing-length distributions in hypersonic turbulent boundary layers using assumption of local similarity
Mesosphere and lower thermosphere heat input rates and circulation, calculating worldwide average eddy diffusion coefficient
Noise-producing subsonic jet turbulence eddies hot-wire anemometer measurements of convection velocity as functions of frequency