The theory of Cepheid variability.
Nonlinear methods application to Cepheid pulsation variables theory for determinations of mass, luminosity, radius and helium content
Christy, R. F.↗
SEARCH · Engineering Papers
Results for “PULSATIONS”
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.
Photoelectric photometry of HD 116994.
HD 116994 period, discussing harmonic analyses made of light and color curves, visual magnitude estimation, pulsation theory results and observation result tables
Chen, K.-Y.↗
Possible conversion of rotational energy of the neutron star in the Crab Nebula into energy of relativistic electrons.
Rotational energy conversion of neutron star into relativistic electrons energy suggested by increasing period of pulsating radio source in Crab Nebula
Finzi, A.↗
Resonant vibration of the magnetosphere observed from Explorer 26.
Large amplitude pulsations in magnetic field magnitude and proton fluxes observed by satellite during magnetic storm compared with various models
Cahill, L. J., Jr.↗
An explanation for the blue sequence of variable stars.
Variable stars blue sequence, proposing mu mechanism and beta mechanism as explanation for radial pulsations
Simon, N. R.↗
Stability of cylindrical bubbles in a vertical pipe.
Cylindrical bubbles stability in vertical pipes from photographs, describing wake, spacing, pressure pulsations and convection cells effects
Hsu, Y. Y.↗
Investigation of positive shaft seals
Welded metal bellows secondary seals prevent secondary seal leakage with a minimum number of potential leak paths. High performance seal is obtained by controlling the potentially unstable seal-face movements induced by mechanical vibrations and fluid pressure pulsations.
Pfouts, J. O.↗
Discontinuities and shock waves in the interplanetary medium and their interaction with the magnetosphere
Production of geomagnetic pulsations by solar wind shock discontinuities in interplanetary medium and interaction with magnetosphere
Burlaga, L. F.↗
A note on the solution of Eddington's equation
Eddington equation for white dwarf pulsation solved by treating eigenfunctions as differential moment of inertia functions
Africk, S.↗
Geomagnetic storms at ATS 1
Geomagnetic storms at ATS 1 in 1967, discussing storm-time disturbance field and associated pulsations
Coleman, P. J., Jr.↗
Amplitude ratios of several groups of variable stars
Radial velocity-light amplitude ratios of grouped variable stars in continuous sequence, comparing pulsation prediction
Leung, K.-C.↗
Dynamic response of viscous compressible fluids in rigid tubes
Data on experimental verification of Iberall's analysis applies to such problems as pressure sensing, pneumatic control circuits with bellows, measuring irregular shaped volumes, and transmitting fluid power by pulsating flow.
Goldschmied, F. R.↗
Massive stars
Normal O, blue supergiants and brightest yellow and red supergiant massive stars, considering evolution, luminosity, lifetime mass loss, pulsational instability and supernovae
Stothers, R.↗
Luminosities, masses and periodicities of massive red supergiants
Individual M-type red supergiants luminosity, masses and periodicities based on cluster membership and pulsational Q value
Leung, K. C.↗
Gamma rays /250 keV-2.3 MeV/ from NP 0532
Pulsating gamma ray flux from pulsar NP 0532 in energy range from 250 keV to 2.3 MeV
Chupp, E. L.↗
Comments on the instability strip for halo population variables
RR Lyrae stars instability strip for halo population variables, presenting linear nonadiabatic approximate pulsation calculations with emphasis on blue edges location in H-R diagram
Huchra, J.↗