Optical cross-beam investigation of local sound generation in jets
Optical cross correlation technique for locating sound sources in jet shear layers
Krause, F. R.↗
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Results for “sounding”
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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An effective automatic data processing system for PPM and PCM telemetry in sounding rockets /ADP feasibility study/
Automatic data processing system for pulse code modulation and pulse position modulation telemetry of sounding rockets
Bell, G. U.↗
Digital computation of downstream modes generated by the interaction of a shock wave with an upstream flow containing the three disturbance modes /vorticity, entropy and sound/
Digital computation of downstream modes from shock wave interaction with upstream flow containing vorticity, entropy, and sound disturbances
Lister, D. M.↗
Sound wave shear wave interaction with oblique shock fronts Final report, 1 Sep. 1967 - 31 Aug. 1968
Downstream flow field produced by interaction of plane sound waves or plane shear waves with oblique shock front
Purdy, K. R.↗
System for Upper Atmospheric Sounding /SUAS/. Volume 1 - Summary
Six alternative system concepts for upper atmosphere sounding of wind, temperature, and pressure
Source record↗
Pressure effect of a sound wave on a cryogenic fluid
Sound wave pressure for preventing cryogenic propellant sloshing during space flight
Kramer, F.↗
System for Upper Atmospheric Sounding /SUAS/. Volume 2 - Technical report
Technical analysis of system for upper atmospheric sounding
Source record↗
System for Upper Atmospheric Sounding /SUAS/. Volume 4 - Technology development plan
Technology development for upper atmospheric sounding system
Source record↗
Analytical and experimental studies of the sound field in a propeller duct.
Rotating spectral and spatial sound pressure distribution in propeller duct calculated on basis of propulsion quantities, noting effect of tip clearance
Bissell, J. R.↗
A fluidic proportional thruster system for sounding rocket applications.
Fluidic proportional thruster system for sounding rocket control
Chisel, D. M.↗
Sounding rocket measurements of ion composition and charged particle temperatures in the topside ionosphere.
Ion composition and charged particle temperatures at 300-600 km from sounding rocket and topside sounder Alouette 2 measurements
Maier, E. J. R.↗
Entrainment of second sound in steady-state counter-flowing normal and superfluid helium II.
Velocity dependence of temperature waves /second sound/ in liquid He II measured as function of relative velocity for normal and superfluid
Hildebrandt, A. F.↗
Some current developments in radio systems for sounding ionospheric structure and motions.
Radio pulse sounding of ionospheric structure and motions, discussing digital ionosonde, data analysis methods, etc
Wright, J. W.↗
A modified ultrasonic pulse-echo-overlap method for determining sound velocities and attenuation of solids.
Ultrasonic pulse-echo-overlap method modified for simultaneous measurement of time delay and relative voltages in determining sound velocities and attenuation of solids
Chick, B. B.↗
Application of a nonlinear least-squares method to atmospheric temperature sounding.
Nonlinear least squares optimization program applied to atmospheric temperature sounding, solving for temperatures at various altitudes from simulated carbon dioxide intensity measurements
Barnett, T. L.↗
Registration of intravascular pressure and sound by a fiberoptic catheter.
Intravascular pressure and sound measured in anesthetized dogs and humans using fiberoptic pressure catheter
Abelmann, W. H.↗
Comparisons between topside and ground-based soundings.
Electron density profiles from topside ionograms compared to ground based sounding results, discussing error corrections
Jackson, J. E.↗
VLF electric and magnetic fields observed in the auroral zone with the Javelin 8.46 sounding rocket.
VLF electric and magnetic fields observed in auroral zone with Javelin 8.46 sounding rocket, noting HF electrostatic noise bursts
Gurnett, D. A.↗