Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Paul D. Craven"'
Autor:
Miria M. Finckenor, Randall Barfield, Olive R. Stohlman, W. Keats Wilkie, Benjamin R. Sindle, Amanda E. Stark, Robert G. Bryant, Jin Ho Kang, Keith L. Gordon, Paul D. Craven
Publikováno v:
Advances in Space Research. 67:2643-2654
The construction of a solar sail from commercially available metallized film presents several challenges. The solar sail membrane is made by seaming together precut lengths of ultrathin metallized polymer film into the required geometry. This assembl
Autor:
C. G. Mouikis, Dennis L. Gallagher, Brian A. Larsen, Geoff Reeves, R. H. Comfort, Jerry Goldstein, Paul D. Craven, S. De Pascuale, Ruth M. Skoug, William S. Kurth, Harlan E. Spence, John R. Wygant, Kevin Genestreti
Publikováno v:
Journal of Geophysical Research: Space Physics. 124:6585-6595
Publikováno v:
The Astrophysical Journal. 718:795-809
Dust grains in various astrophysical environments are generally charged electrostatically by photoelectric emissions with radiation from nearby sources, or by electron/ion collisions by sticking or secondary electron emissions (SEES). The high vacuum
Validation of the Plasma Densities and Temperatures From the ISS Floating Potential Measurement Unit
Autor:
Michael O. Chandler, Linda Neergaard Parker, K. H. Wright, J. I. Minow, Victoria N. Coffey, T.H. Bui, Jason A. Vaughn, Steve Koontz, Paul D. Craven, Todd Schneider
Publikováno v:
IEEE Transactions on Plasma Science. 36:2301-2308
The validation of the floating potential measurement unit (FPMU) plasma density and temperature measurements is an important step in the process of evaluating International Space Station (ISS) spacecraft charging issues including vehicle arcing and h
Autor:
Don Thompson, Jason A. Vaughn, Victoria N. Coffey, Linda Neergaard Parker, K. H. Wright, Joseph I. Minow, Aroh Barjatya, Todd Schneider, T.H. Bui, Charles Swenson, Steve Koontz, Paul D. Craven
Publikováno v:
IEEE Transactions on Plasma Science. 36:2280-2293
The floating potential measurement unit (FPMU) is a multiprobe package designed to measure the floating potential of the International Space Station (ISS) as well as the density and temperature of the local ionospheric plasma environment. The purpose
Publikováno v:
Planetary and Space Science. 55:953-965
The lunar surface is covered with a thick layer of sub-micron/micron size dust grains formed by meteoritic impact over billions of years. The fine dust grains are levitated and transported on the lunar surface, as indicated by the transient dust clou
Publikováno v:
Journal of Atmospheric and Solar-Terrestrial Physics. 69:135-141
Results from a survey of the occurrence statistics of cold, streaming ion observations in the magnetotail lobes (lobal wind) in the Polar TIDE database are presented, considering lobal wind observation occurrence percentages during quiet and active t
Autor:
Paul D. Craven, J. C. Weingartner, Alexander G. G. M. Tielens, Edward A. West, James F. Spann, D. Tankosic, Renato P. Camata, Mian M. Abbas, A. LeClair, Joseph A. Nuth, Perry A. Gerakines
Publikováno v:
The Astrophysical Journal. 645:324-336
The photoelectric emission process is considered to be the dominant mechanism for charging of cosmic dust grains in many astrophysical environments. The grain charge and equilibrium potentials play an important role in the dynamical and physical proc
Publikováno v:
Advances in Space Research. 30:2189-2194
We investigate in detail the magnetospheric response observed with instruments on the Polar spacecraft during the arrival of a shock wave on January 10, 1997 at 0105 UT. Magnetic field increases have been observed in the solar wind, the magnetosheath
Autor:
J. L. Horwitz, Paul D. Craven, J.-N. Tu, X.-Y. Wu, Thomas E. Moore, Y.-J. Su, Frederick J. Rich, W. Zeng, B. A. Stevenson
Publikováno v:
Journal of Geophysical Research: Space Physics. 106:29601-29610
Near-simultaneous observations of topside 0' parallel flows are presented for four periods of measurement by POLAR and DMSP satellites during April 1996. The POLAR measurements are from Southern perigee measurements near 5000 km altitude, while the D