Results 121 to 130 of about 13,247 (287)

Reliability of solid rocket motor cases and nozzles [PDF]

A recent article in Aerospace America claims that 'the average success ratio of the current U.S. stable of launch vehicles, including upper stages, is about 92 percent (without upper stages it is close to 95 percent).
Crose, James G.
core   +1 more source

New class of thermosetting plastics has improved strength, thermal and chemical stability [PDF]

, 1967
New class of thermosetting plastics has high hydrocarbon content, high stiffness, thermal stability, humidity resistance, and workability in the precured state.
Burns, E. A., Dubrow, B., Lubowitz, H. R.   +2 more
core   +1 more source

Rocket Engine Vacuum Nozzle 3D Printing: Manufacturing, Weight, and Cost Savings [PDF]

Nikolaos D. Alexopoulos, Vasileios Zeimpekis, Evangelos Vasileiou, Νikolaos S. Τhomaidis, Theodoros Souxes, Ilona Lazaridou, Maksym Lutsyk, R. N. Vorob'ev, Evgeniy Karakash, Elena Karpovich, Olexandr Grydin   +10 more
openalex   +1 more source

Experimental study on effects of nozzles and combustors on the rotating detonation rocket engine in pulse operation

Results in Engineering
The rotating detonation engine (RDE) is an innovative pressure-gain combustion device that harnesses detonation waves for efficient fuel combustion.
Guining Liu, Zixuan Wang, Yingying Ruan, Zewen Zhong, Rui Wang, Shengbing Zhou, Ning Hu   +6 more
doaj   +1 more source

Study on CerAMfacturing of Novel Alumina Aerospike Nozzles by Lithography-Based Ceramic Vat Photopolymerization (CerAM VPP). [PDF]

Materials (Basel), 2022
Schwarzer-Fischer E, Abel J, Sieder-Katzmann J, Propst M, Bach C, Scheithauer U, Michaelis A.   +6 more
europepmc   +1 more source

Nozzle fabrication technique [PDF]

This invention relates to techniques for fabricating hour glass throat or convergent divergent nozzle shapes, and more particularly to new and improved techniques for forming rocket nozzles from electrically conductive material and forming cooling ...
Wells, Dennis L.
core   +1 more source

Vortex servovalve for fluidic or electrical input [PDF]

, 1972
Proportional-pressure control servovalve consisting of fluid amplifier bellows-driven jet-pipe and two vortex valves operating in push-pull, with a pair of bellows for pressure feedback is tolerant to comtaminant particles and meets minimum standby flow ...
Honda, T. S.
core   +1 more source

Estimation of Hybrid Rocket Nozzle Throat Erosion History

, 2016
Yuji Saito, Tsutomu Uematsu, Hikaru Isochi, Masashi WAKITA, Tsuyoshi TOTANI, Harunori Nagata   +5 more
openalex   +2 more sources

Lightweight RepVGG-Based Cross-Modality Data Prediction Method for Solid Rocket Motors. [PDF]

Sensors (Basel), 2023
Yang H, Zheng S, Wang X, Xu M, Li X.
europepmc   +1 more source

Experimental and Numerical Studies of Secondary Injection in Nozzle Divergence for Thrust Augmentation

Journal of Applied Fluid Mechanics, 2019
Thrust augmentation in rocket engines using secondary injection in the diverging part of a nozzle is an innovative extension of after burners. This technique finds application in single stage to orbit propulsion devices, where the nozzle has to work at ...
G. Anugrah, P. Raja, M. Deepu, R. Sadanandan   +3 more
doaj