Results 111 to 120 of about 31,489 (272)

Spacecraft Antennas [PDF]

, 1990
Some of the various categories of issues that must be considered in the selection and design of spacecraft antennas for a Personal Access Satellite System (PASS) are addressed, and parametric studies for some of the antenna concepts to help the system ...
Cramer, Paul, Jamnejad, Vahraz, Manshadi, Farzin, Rahmat-Samii, Yahya   +3 more
core   +1 more source

ION INJECTION AT QUASI-PARALLEL SHOCKS SEEN BY THE CLUSTER SPACECRAFT

The Astrophysical Journal Letters, 2016
ABSTRACT Collisionless shocks in space plasma are known to be capable of accelerating ions to very high energies through diffusive shock acceleration (DSA). This process requires an injection of suprathermal ions, but the mechanisms producing such a suprathermal ion seed population are still not fully understood. We study acceleration of
Johlander, A., Vaivads, A., Khotyaintsev, Y. V., Retinò, Alessandro, Dandouras, I.   +4 more
openaire   +3 more sources

Statistical Estimate of the Magnetopause Reconnection Rate as a Function of the Interplanetary Magnetic Field Clock Angle

Geophysical Research Letters, Volume 53, Issue 1, 16 January 2026.
Abstract The magnetic reconnection rate at the magnetopause is crucial for solar wind and magnetosphere coupling. However, direct measurement is challenging due to inherent uncertainties and limited electron diffusion region statistics, hindering understanding of the guide field's influence on the normalized reconnection rate.
B. Michotte de Welle, N. Aunai, B. Lavraud, V. Génot, G. Nguyen, A. Ghisalberti, A. Jeandet, D. Sibeck, H. Connor   +8 more
wiley   +1 more source

The Cluster spacecraft's view of the motion of the high-latitude magnetopause [PDF]

Annales Geophysicae
Abstract. The boundary between the interplanetary magnetic field and the terrestrial magnetic field is the magnetopause. This magnetopause is influenced by dynamic changes in the solar wind, that is different solar wind conditions lead to a change in the shape and location of the magnetopause.
N. Grimmich, F. Plaschke, B. Grison, F. Prencipe, C. P. Escoubet, M. O. Archer, O. D. Constantinescu, O. D. Constantinescu, S. Haaland, S. Haaland, S. Haaland, R. Nakamura, D. G. Sibeck, F. Darrouzet, M. Hayosh, R. Maggiolo   +15 more
openaire   +9 more sources

Spatial Distributions of Energetic Electrons and Energetic Ions in the Tail Reconnection Region: Cluster Observations and PIC Simulations

Geophysical Research Letters, Volume 53, Issue 1, 16 January 2026.
Abstract High‐energy particles are prevalent in space, and magnetic reconnection is one of the physical processes responsible for their generation. The heating and acceleration of ions and electrons typically occur respectively in the ion diffusion region and the electron diffusion region.
S. Y. Huang, H. W. Zhan, Q. Y. Xiong, Z. G. Yuan, K. Jiang, Y. T. Tang, H. Bai   +6 more
wiley   +1 more source

Orientation and motion of a plasma discontinuity from single‐spacecraft measurements: Generic residue analysis of Cluster data [PDF]

, 2006
B. U. Ö. Sonnerup, S. Haaland, G. Paschmann, M. W. Dunlop, H. Rème, A. Balogh   +5 more
openalex   +1 more source

Ionic Liquid‐Based Reversible Metal Electrodeposition for Adaptive Radiative Thermoregulation Under Extreme Environments

Advanced Functional Materials, Volume 36, Issue 6, 19 January 2026.
A wideband tunable electrochromic device with dynamic thermal emissivity control is demonstrated. The system enables adaptive heat regulation via electrochemically modulated silver deposition, achieving efficient cooling and heating states. The flexible design ensures mechanical robustness under bending conditions, making it promising for portable and ...
Jiawei Liang, Chenxi Sui, Jiacheng Tian, Genesis Higueros, Ting‐Hsuan Chen, Ronghui Wu, Pei‐Jan Hung, Yang Deng, Natalie Rozman, Willie John Padilla, Po‐Chun Hsu   +10 more
wiley   +1 more source

Advances in Micro/Nanofiber‐Based Porous Materials for High‐Performance Thermal Insulation

Advanced Functional Materials, Volume 36, Issue 1, 2 January 2026.
Micro/nanofiber porous materials have engendered great interest in the thermal insulation field. Herein, the structural designs, fabrication techniques, and applications of the micro/nanofiber thermal insulation materials are systematically summarized.
Xiaobao Gong, Shuo Shi, Jing Yin, Rong Liu, Jianming Chen, Xungai Wang   +5 more
wiley   +1 more source

Cold ions of ionospheric origin observed at the dayside magnetopause and their effects on magnetic reconnection [PDF]

, 2015
Thesis (Ph.D.) University of Alaska Fairbanks, 2015Magnetic reconnection at the dayside magnetopause is one of the most important mechanisms that efficiently transfers solar wind particles, momentum, and energy into the magnetosphere.
Lee, Sun-Hee, 이, 선희
core  

Three-dimensional magnetic flux rope structure formed by multiple sequential X-line reconnection at the magnetopause

, 2013
On 14 June 2007, four Time History of Events and Macroscale Interactions during Substorms spacecraft observed a flux transfer event (FTE) on the dayside magnetopause, which has been previously proved to be generated by multiple, sequential X-line ...
Angelopoulos, V., Angelopoulos, V., Berchem, J., Berchem, J., Bogdanova, Y. V., Bogdanova, Y. V., Dunlop, M. W., Dunlop, M. W., Eastwood, J. P., Eastwood, J. P., Fu, S. Y., Fu, S. Y., Guo, R. L., Guo, R. L., Hasegawa, Hiroshi, Pu, Z. Y., Pu, Z. Y., Raeder, J., Raeder, J., Shen, C., Shen, C., Taylor, M. G. G. T., Taylor, M. G. G. T., Volwerk, M., Volwerk, M., Wang, X. G., Wang, X. G., Xiao, C. J., Xiao, C. J., Xie, L., Xie, L., Zhang, Q. H., Zhang, Q. H., Zhong, J., Zhong, J., Zhou, X. Z., Zhou, X. Z., Zong, Q. G., Zong, Q. G., 長谷川, 洋   +39 more
core   +1 more source