Results 21 to 30 of about 113,868 (281)
Sun-synchronous highly elliptical orbits using low-thrust propulsion [PDF]
, 2013 Due to restrictions within the current architecture of the global observing system (GOS), space-based remote sensing of Earth suffers from an acute data-deficit over the critical polar-regions. Currently, observation of high-latitude regions is conducted
Anderson P. +3 more
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Astronaut ophthalmic syndrome [PDF]
The FASEB Journal, 2017 During and after missions on the International Space Station, some astronauts experience ophthalmic changes, including choroidal folds, optic disc edema, cotton-wool spots, globe flattening, and refraction changes. Astronauts with ophthalmic issues had significantly higher plasma concentrations of metabolites that are associated with the 1-carbon ...
Thomas H. Mader +6 more
openaire +2 more sources
Mots et discours de science dans la science-fiction
Socio, 2019 Science fiction has close ties with science, as we know, but this article focuses more specifically on the words of science, the scientific vocabulary, which we often find in science fiction texts and, in particular, on the enlightening way in which ...
Ugo Bellagamba, Roland Lehoucq
doaj +1 more source
Mathematics, 2022 With increasing attention on containment control problems in several areas, we investigate this specific problem which can be more practical. Systems with nonconvex input and position constraints are common but can be strongly nonlinear.
Ning Gao, Yikang Yang
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Wrinkling of Orthotropic Viscoelastic Membranes [PDF]
, 2010 This paper presents a simplified simulation technique for orthotropic viscoelastic films. Wrinkling is detected by a combined stress-strain criterion and an iterative scheme searches for the wrinkle angle using a pseudo-elastic material stiffness ...
Deng, X., Pellegrino, S.
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Theoretical analysis of perching and hovering maneuvers [PDF]
, 2013 Unsteady aerodynamic phenomena are encountered in a large number of modern aerospace and non-aerospace applications. Leading edge vortices (LEVs) are of particular interest because of their large impact on the forces and performance.
Beddoes +15 more
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MACROECONOMIC ASPECTS OF THE ANALYSIS OF THE WORLD MARKET OF SPACE PRODUCTS AND SERVICES
Вестник университета, 2019 The main organizational characteristics of the world space industry in the context of increased international competition have been determined. The most characteristic changes in the global market of space products have been identified.
A. Krishtofor
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CHANGE OF RUSSIA’S COMPETITIVE POSITIONS IN THE WORLD MARKET OF SPACE PRODUCTS
Вестник университета, 2019 Subject of research – the Russian space industry against the background of the main trends of development of the world market of space products. Research objective – to give an assessment to specifics of the competition in the main segments of the world ...
A. P. Krishtofor
doaj +1 more source
Uncertainty Quantification for Airfoil Icing using Polynomial Chaos Expansions [PDF]
, 2014 The formation and accretion of ice on the leading edge of a wing can be detrimental to airplane performance. Complicating this reality is the fact that even a small amount of uncertainty in the shape of the accreted ice may result in a large amount of ...
DeGennaro, Anthony M. +2 more
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Вестник университета, 2019 The present stage of development of the international scientific and technical cooperation in the space industry has been investigated. The main shifts, happening in the geographical directions of the international scientific and technical cooperation in
A. P. Krishtofor
doaj +1 more source