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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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Audio wave detection from radio stations by spacecraft-borne audio detectors in ionosphere, discussing carrier frequencies dependence on altitude and RF waves interaction with plasma
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Alouette 2 Langmuir probe measurements of electron density irregularities in F region
Apparatus for generating HF shock fronted pressure waves in resonant tube
Phase velocities and polarizations of linear waves in infinite uniform high beta plasma
Correlation coefficients between radial components of interplanetary magnetic field and solar wind velocity from Mariner 5 data due to Alfven waves
Linear time varying processes minimal time control by maximum principle to construct extremal control as explicit time function
Coupled set of differential equations describing generalized Volterra problem of conflicting populations and application to plasma oscillations
Generator is an inlet-area-modulated, gas-flow-through device utilizing hydrogen gas and a rotating disk for operation. Design enables generator to produce pressure oscillations as high as 120, 18, and 12 percent of the mean chamber pressure at frequencies of 1, 10, and 15 kHz, respectively.
Nonisentropic wave generation in acoustic shock emission of conical nozzles
Entropic gas flow effects using J function theory
Sonic boom overpressures generated by aircraft level rectilinear flight at supersonic speed in temperature and wind stratified atmosphere, calculating atmospheric correction factor
Sinusoidal signal harmonics measurement to determine nonlinear resistance junction I-V equation, discussing applications to circuit analysis
Point to point and radar return attenuation measurements at SHF through clear air and rain
Plasma lasers, investigating striation oscillations and excess noise phenomena and generation mechanisms
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Investigating dynamic nonshock properties of microscale fluctuations in interplanetary medium using plasma and magnetic field data from Mariner 5 space probe