Results 81 to 90 of about 863,762 (375)
Global Challenges, EarlyView.This graphical abstract illustrates sustainable hydrogen production methods integrating solar, wind, and biomass sources. It highlights electrolysis as the central green hydrogen pathway and contrasts renewable and industrial uses. Color‐coded hydrogen types depict the diversity in production technologies, emphasizing clean energy transitions and ...
Sajid Ali Ansari +7 more
wiley +1 more source
Injector element characterization methodology [PDF]
Characterization of liquid rocket engine injector elements is an important part of the development process for rocket engine combustion devices. Modern nonintrusive instrumentation for flow velocity and spray droplet size measurement, and automated ...
Cox, George B., Jr.
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The Little Rocket Engine That Could [PDF]
Mechanical Engineering, 2016 This paper highlights advancements of a research team in the field of miniature spacecrafts and development and advantages of CubeStats. CubeSats are space age hitchhikers, that is, miniature spacecraft that fly into orbit aboard rockets whose primary payloads are full-size satellites.
openaire +2 more sources
Protective coating for refractory metals in rocket engines supplemental report, mar. 8, 1963 - mar. 15, 1964 [PDF]
Protective coating systems for refractory metal used in rocket engine nozzles - rocket engine test ...
core +1 more source
Approximate theoretical performance evaluation for a diverging rocket [PDF]
, 1960 A simplified combustion model, which is motivated by available performance studies on the diverging rocket reactor, has been used as basis for an engine performance evaluation.
Eckel, E. F. +3 more
core
Viability of an Electrically Driven Pump-Fed Hybrid Rocket for Small Launcher Upper Stages
Aerospace, 2019 An electrically driven pump-fed cycle for a hybrid rocket engine is proposed and compared to a simpler gas-pressurized feed system. A liquid-oxygen/paraffin-based fuel hybrid rocket engine which powers the third stage of a Vega-like launcher is ...
Lorenzo Casalino +2 more
doaj +1 more source
Macromolecular Materials and Engineering, EarlyView.This study explores how hard segment content (HS) modulates waterborne polyureathane's (WPU's) dynamic mechanical properties under low/high strain rates. Increasing HS enhances hydrogen bonding and microphase separation, with abundant hard domains acting as physical crosslinks.
Mingping Zhou +8 more
wiley +1 more source
Developments in REDES: The Rocket Engine Design Expert System [PDF]
The Rocket Engine Design Expert System (REDES) was developed at NASA-Lewis to collect, automate, and perpetuate the existing expertise of performing a comprehensive rocket engine analysis and design.
Davidian, Kenneth O.
core +2 more sources
Electro-thermal rocket Patent [PDF]
, 1962 Electrothermal rocket engine using resistance heated heat ...
Jack, J. R., Moeckel, W. E.
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Mass Spectrometry Structural Proteomics Enabled by Limited Proteolysis and Cross‐Linking
Mass Spectrometry Reviews, EarlyView.ABSTRACT The exploration of protein structure and function stands at the forefront of life science and represents an ever‐expanding focus in the development of proteomics. As mass spectrometry (MS) offers readout of protein conformational changes at both the protein and peptide levels, MS‐based structural proteomics is making significant strides in the
Haiyan Lu +4 more
wiley +1 more source