Results 71 to 80 of about 271,699 (362)
Battery Energy, EarlyView.This review comprehensively addresses challenges impeding the current and near‐future applications of Li–S batteries, with a special focus on novel strategies and materials for achieving high energy/power density. Additionally, potential areas for practical applications are explored, placing special emphasis on their lightweight, high energy/power ...
Junyoung Heo +9 more
wiley +1 more source
International Journal of Aerospace EngineeringControl moment gyro (CMG) can produce microvibration and influence the performance of sensitive instruments aboard the spacecraft. This article is aimed at constructing the microvibration transmission model of a large-scale CMG incorporating the ...
Jin You, Wei Zhu, Hao Wang
doaj +1 more source
IEEE Access, 2018 This paper investigates the distributed state estimation problem for spacecraft thermal experiments over sensor networks. The state estimators are designed in a distributed fashion to estimate the surplus temperature of the target node in the spacecraft.
Chang Liu +4 more
doaj +1 more source
Electronically Steerable Antennas for Spacecraft-to-Spacecraft Communications
Navigation, 1965 This paper presents several electronically steerable antenna techniques, which for frequencies from 1 to 35 gc, show promise for application to spacecraft-to-spacecraft communications. It is indicated that such antennas can be realistically designed to provide maximum antenna gain for given weight, maximum bandwidth, and the capability of illuminating ...
openaire +2 more sources
Frontiers of Synchrotron Methods for Actinide Science
Chemistry–Methods, EarlyView.This article explores the application of synchrotron radiation techniques ‐ XAS, XES, HERFD, RIXS, and XRD ‐ to investigate actinide materials. It provides insights into electronic structures, oxidation states, and phase transitions, emphasizing the transformative role of these techniques in advancing nuclear materials research, environmental safety ...
Damien Prieur +7 more
wiley +1 more source
Space environmental interactions with spacecraft surfaces [PDF]
Environmental interactions are defined as the response of spacecraft surfaces to the charged-particle environment. These interactions are divided into two broad categories: spacecraft passive, in which the environment acts on the surfaces and spacecraft ...
Stevens, J. N.
core +1 more source
Nuclear radiation problems, unmanned thermionic reactor ion propulsion spacecraft [PDF]
, 1972 A nuclear thermionic reactor as the electric power source for an electric propulsion spacecraft introduces a nuclear radiation environment that affects the spacecraft configuration, the use and location of electrical insulators and the science ...
Mondt, J. F. +2 more
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ChemSusChem, Volume 18, Issue 6, March 15, 2025.The transformation of CO2 into chemical building blocks is essential for a net‐zero energy future. Plasma‐chemical processing offers promising potential to achieve this. Here, we explore a temperature‐dependent plasma‐chemical reaction mechanism, revealing a shift from electron‐driven to thermal‐driven CO2 conversion regimes.
Aswath Mohanan +2 more
wiley +1 more source
Performance Prediction of Hatch Cover Drive Assembly in Space Environment
IEEE Access, 2019 The performance of the Hatch Cover Drive Assembly operated in space is quite important for aircrafts. However, it is hard to experimental studies in space.
Pan Bo +6 more
doaj +1 more source
Modeling of spacecraft charging [PDF]
, 1977 Three types of modeling of spacecraft charging are discussed: statistical models, parametric models, and physical models. Local time dependence of circuit upset for DoD and communication satellites, and electron current to a sphere with an assumed Debye ...
Whipple, E. C., Jr.
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