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Results for “circularity”

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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At least 451 records · Page 25

All sources NASA NTRS DOE OSTI

NASA NTRS1970

Table of the field patterns of a loaded resonant circular loop

Loaded resonant circular loop radiation field patterns table, determining load impedance for antenna design

Dunne, C.↗

NASA NTRS1970

Optimal two- and three-impulse fixed-time rendezvous in the vicinity of a circular orbit

Minimum-fuel multiple impulse orbital fixed time rendezvous in circular orbit vicinity

Prussing, J. E.↗

NASA NTRS1970

An analytical and experimental investigation of the effects of large prebuckling deformations on the buckling of clamped thin-walled circular cylindrical shells subjected to axial loading and internal pressure

Prebuckling deformations effect on buckling of clamped thin walled circular cylindrical shells under axial loading and internal pressure

Evan-Iwanowski, R. M.↗

NASA NTRS1970

Optimal nonplanar escape from circular orbits

Minimum impulse transfer between circular orbit and hyperbolic trajectory velocity vector, assuming fixed transfer times

Edelbaum, T. N.↗

NASA NTRS1970

Discovery of circularly polarized light from a white dwarf

White dwarf star circular polarized light, indicating strong magnetic field

Angel, J. R. P.↗

NASA NTRS1970

Lamb shift with circularly polarized rf-field in foil-excited H beam

Time and power dependent Lamb shift resonance shapes measurement with circular polarized RF field in beam foil excited H atoms

Andrae, H. J.↗

NASA NTRS1970

Two-channel feed system - A dual channel circularly polarized system. I

Parabolic antenna properties generated by dual band circularly polarized focused two channel monopulse feed system, discussing tracking data from helicopter, Apollo 8 and Cassiopeia A

Chadwick, G. G.↗

NASA NTRS1970

Lunar maria and circular basins - A review

Lunar maria and circular basins interrelations, form, origin and distribution from Lunar Orbiter photographs

Howard, K. A.↗

NASA NTRS1970

Radiation of sound from an unflanged circular duct with flow

Sound radiation from unflanged circular waveguide duct with flow, calculating reflection coefficients, directivity pattern and power for comparison with approximate methods

Drischler, J. A.↗

NASA NTRS1970

Peristaltic transport in circular cylindrical tubes

Long wave approximation for peristaltic transport in circular cylindrical tube, noting inertia and wavelength effects on backward flow

Li, C.-H.↗

NASA NTRS1970

Two-channel feed system - A dual channel circularly polarized system. II

Dual channel circularly polarized feed of monopulse tracking antenna system, noting axial ratio and gain and open loop mode autotracking

Chadwick, G. G.↗

NASA NTRS1971

Wide-angle, circularly polarized, omnidirectional-array antenna

Modified conventional turnstile antenna features bifoliate pattern with relatively high gain and good circularity over solid area enclosed by the 0.26 and 1.31 radian angles of elevation. These antennas are intended for high altitude balloon use, their permissible weight is restricted to one pound.

Boyer, R. B.↗

NASA NTRS1970