Results 21 to 30 of about 107,600 (223)
Research and application of aluminum foam materials
The foamed metals have become the new structural functional materials with the excellent properties of heat, sound, light weight, and energy absorption.
ZHANG Hong-ying+2 more
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Flow-Control Effectiveness of Convergent Surface Indentations on an Aerofoil at Low Reynolds Numbers [PDF]
Passive flow control on aerofoils has largely been achieved through the use of protrusions such as vane-type vortex generators. Consequently, innovative flow-control concepts should be explored in an effort to improve current component performance ...
Kontis, Konstantinos, Shah, Neel K.
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Mots et discours de science dans la science-fiction
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
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Coupled flight dynamics and CFD - demonstration for helicopters in shipborne environment [PDF]
The development of high-performance computing and computational fluid dynamics methods have evolved to the point where it is possible to simulate complete helicopter configurations with good accuracy.
Barakos, G.N., Crozon, C., Steijl, R.
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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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Solar sail heliocentric Earth-following orbits [PDF]
No abstract ...
Heiligers, Jeannette, McInnes, Colin R.
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Uncertainty Quantification for Airfoil Icing using Polynomial Chaos Expansions [PDF]
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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MACROECONOMIC ASPECTS OF THE ANALYSIS OF THE WORLD MARKET OF SPACE PRODUCTS AND SERVICES
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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Virtual Integration Platforms (VIP) –A Concept for Integrated and Interdisciplinary Air Transportation Research and Assessment [PDF]
The paper descibes a new methodology for a holistic development of air transportation concepts. The Virtual Integration Plattform (VIP) concept is based on an IT tool chain as well as human collaborative methods to deal with complex systems.
Gollnick, Volker+3 more
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CHANGE OF RUSSIA’S COMPETITIVE POSITIONS IN THE WORLD MARKET OF SPACE PRODUCTS
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
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