Results 91 to 100 of about 145,210 (211)

A comparison of cold spray, atmospheric plasma spray and high velocity oxy fuel processes for WC-Co coatings deposition through LCA and LCCA

Heliyon
In this study, an environmental and economic assessment of WC-Co coatings deposited by Cold Gas Spray (CGS), Atmospheric Plasma Spray (APS) and High Velocity Oxy Fuel (HVOF) spray technologies is carried out.
E. Rúa Ramirez, A. Silvello, E. Torres Diaz, F. Tornese, M.G. Gnoni, I. Garcia Cano   +5 more
doaj   +1 more source

Fluorine-hydrogen performance evaluation. Phase I, part I - Analysis, design, and demonstration of high performance injectors for the liquid fluorine-gaseous hydrogen combination Final report [PDF]

Analysis, design, and demonstration of high performance injectors for liquid fluorine- gaseous hydrogen propellant ...
Arbit, H. A., Clapp, S. D.
core   +1 more source

3D analysis of gas flow behavior and particle acceleration characteristics in cold spray additive manufacturing based on non-axisymmetric numerical models

Journal of Materials Research and Technology
Cold spraying has been recognized as a promising additive manufacturing technology due to its inherent characteristics of solid-state and high deposition rate.
Wenpeng Wan, Wenya Li, Dong Wu, Zhengmao Zhang, Bo Ning   +4 more
doaj   +1 more source

Review and test of chilldown methods for space-based cryogenic tanks [PDF]

The literature for tank chilldown methods applicable to cryogenic tankage in the zero gravity environment of earth orbit is reviewed. One method is selected for demonstration in a ground based test.
Chato, David J., Sanabria, Rafael
core   +1 more source

Photographic investigation of propellant stream behavior in a firing rocket engine, volume I Technical summary report, 1 Aug. 1964 - 28 Feb. 1966 [PDF]

Photographic study to obtain injection and combustion patterns of F-1 rocket engine injector ...
Eulner, R. N., Rossmann, T. G., Wood, L. M.   +2 more
core   +2 more sources

Nuclear thermal rocket nozzle testing and evaluation program [PDF]

Performance characteristics of the Nuclear Thermal Rocket can be enhanced through the use of unconventional nozzles as part of the propulsion system. The Nuclear Thermal Rocket nozzle testing and evaluation program being conducted at the NASA Lewis is ...
Davidian, Kenneth O., Kacynski, Kenneth J.   +1 more
core   +1 more source

Description of Liquid Nitrogen Experimental Test Facility [PDF]

The Liquid Nitrogen Test Facility is a unique test facility for ground-based liquid nitrogen experimentation. The test rig consists of an insulated tank of approximately 12.5 cubic ft in volume, which is supplied with liquid nitrogen from a 300 gal dewar
Jacobs, Richard E., Jurns, John M., Saiyed, Naseem H.   +2 more
core   +1 more source

Thermal design of the space shuttle external tank [PDF]

, 1985
The shuttle external tank thermal design presents many challenges in meeting the stringent requirements established by the structures, main propulsion systems, and Orbiter elements.
Bachrtel, F. D., Gray, C., Stuckey, J. M., Vaniman, J. L., Widofsky, B.   +4 more
core   +1 more source

Characterization of monolayer and single-pass pure Cu coatings applied to 6061 T6 Al alloy and AZ31B Mg alloy substrates using high-pressure cold spray technology

Journal of Materials Research and Technology
The study of monolayer and single-pass pure Cu coatings deposited on distinct substrates using high-pressure cold spray technique is crucial for advancing the application of Cu coatings. However research in this area remains limited.
Na Xue, Weiwei Li, Ling Shao, Yingwei Chen, Yincheng Wu, Mingxiao Luo, Khurram Sajjad, Sheng Dai, Liu Zhu   +8 more
doaj   +1 more source

The COLD-SAT Experiment for Cryogenic Fluid Management Technology [PDF]

Future national space transportation missions will depend on the use of cryogenic fluid management technology development needs for these missions. In-space testing will be conducted in order to show low gravity cryogenic fluid management concepts and to
Schuster, J. R., Vento, D. M., Wachter, J. P.   +2 more
core   +1 more source