Results 111 to 120 of about 391,161 (334)
Ion engine casing construction and method of making same Patent [PDF]
, 1968 Permanently magnetized ion engine casing construction for use in spacecraft propulsion ...
Sohl, G.
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Janus droplet as a catalytic micromotor
, 2015 Self-propulsion of a Janus droplet in a solution of surfactant, which reacts on a half of a drop surface, is studied theoretically. The droplet acts as a catalytic motor creating a concentration gradient, which generates its surface-tension-driven motion;
Shklyaev, Sergey
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Multiband Switchable Microwave Absorbing Metamaterials Based on Reconfigurable Kirigami–Origami
Advanced Functional Materials, EarlyView.A reconfigurable metamaterial featuring tunable microwave‐absorbing and load‐bearing performance is proposed. Stretchable kirigami and bistable origami configurations are integrated as actuating components, and the synergistic deformation mechanisms are systematically analyzed.
Weimin Ding +7 more
wiley +1 more source
Optical‐Propulsion Metastructures
Advanced MaterialsAbstractPulsed laser micropropulsion (PLMP) offers a promising avenue for miniature space craft, yet conventional propellants face challenges in balancing efficiency and stability. An optical‐propulsion metastructure strategy using metal‐organic frameworks (MOFs) is presented to generate graphene‐metal metastructures (GMM), specifically GMM‐(HKUST‐1 ...
Senlin Rao +5 more
openaire +2 more sources
A Piecewise Linear State Variable Technique for Real Time Propulsion System Simulation [PDF]
The emphasis on increased aircraft and propulsion control system integration and piloted simulation has created a need for higher fidelity real time dynamic propulsion models. A real time propulsion system modeling technique which satisfies this need and
Mihaloew, J. R., Roth, S. P.
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Shuttle orbiter with telescoping main propulsion unit and payload [PDF]
, 1993 An improved Space Shuttle with variable internal volume is provided. The Space Shuttle Orbiter includes a telescoping main propulsion unit. This main propulsion unit contains the main rocket engines and fuel tanks and telescopes into the Space Shuttle. A
Macconochie, Ian O.
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Ice Lithography: Recent Progress Opens a New Frontier of Opportunities
Advanced Functional Materials, EarlyView.This review focuses on recent advancements in ice lithography, including breakthroughs in compatible precursors and substrates, processes and applications, hardware, and digital methods. Moreover, it offers a roadmap to uncover innovation opportunities for ice lithography in fields such as biological, nanoengineering and microsystems, biophysics and ...
Bingdong Chang +9 more
wiley +1 more source
Development of a Lumped Parameter Model for an Aeronautic Hybrid Electric Propulsion System [PDF]
, 2018 Emma Frosina +4 more
openalex +1 more source
Bio‐Friendly Artificial Muscles Based on Carbon Nanotube Yarns and Eutectogel Derivatives
Advanced Functional Materials, EarlyView.Solid‐state artificial muscles based on coiled commercial carbon nanotube yarns coated with eutectogel derivatives exhibit unipolar actuation through selective ion intercalation. Combining polyanionic and polycationic gels enables enhanced contractile stroke and high energy density.
Gabriela Ananieva +6 more
wiley +1 more source
The NASA Electric Propulsion Program [PDF]
The NASA OAST Propulsion, Power, and Energy Division supports an electric propulsion program aimed at providing benefits to a broad class of missions. Concepts which have the potential to enable or significantly benefit space exploration and exploitation
Byers, David C. +2 more
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