Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Weihua Hui"'
Publikováno v:
Aerospace, Vol 11, Iss 10, p 848 (2024)
According to the requirements of the small double-pulse solid rocket motor, a compartmentalized isolation device has been designed. This device consists of a metal diaphragm and a support frame. An experimental study and numerical simulation were use
Externí odkaz:
https://doaj.org/article/c29f84534a864f7e96f56288153b2646
Publikováno v:
Aerospace, Vol 11, Iss 5, p 384 (2024)
To achieve rapid vector maneuvering of a space micro-nano satellite, a micro-sized solid rocket motor was utilized as its propulsion system, and a micro-jet-vane-thrust-vector control system was devised. Computational fluid dynamics (CFD) numerical s
Externí odkaz:
https://doaj.org/article/c2b8467d99c2426c87f310d73e96f804
Publikováno v:
Aerospace, Vol 11, Iss 4, p 326 (2024)
In a high-temperature test of the gas generator with a free-loading composite propellant, an abnormal jitter appeared in the latter part of the internal ballistic curve, whereas no such abnormality was observed in the low-temperature and normal-tempe
Externí odkaz:
https://doaj.org/article/3ca1a511a39944cc99c50c940d94466b
Publikováno v:
International Journal of Aerospace Engineering, Vol 2021 (2021)
The failure of the high silica/phenolic resin insulation layer under extreme thermal conditions has become an important reason for the trouble of solid rocket motors. A great number of studies have shown that the arrangement of reinforcement fibers i
Externí odkaz:
https://doaj.org/article/b5862a0dd2334dd5a2c6e759c1892543
Publikováno v:
International Journal of Aerospace Engineering, Vol 2020 (2020)
Erosive burning refers to the augmentation of propellant burning rate appears when the velocity of combustion gas flowing parallel to the propellant surface is relatively high. Erosive burning can influence the total burning rate of propellant and pe
Externí odkaz:
https://doaj.org/article/29d2669a680c4a18a0536add3ac73cd3
Publikováno v:
Energies, Vol 15, Iss 4, p 1564 (2022)
The estimation of erosive burning is of great importance for the internal ballistics computation of a solid rocket motor (SRM) with a large aspect ratio. Because of the variety of parameters affecting erosive burning, most of the erosive burning mode
Externí odkaz:
https://doaj.org/article/faf15eb70cee4bcdbaf6dc4085ac7f0c
Publikováno v:
International Journal of Aerospace Engineering, Vol 2019 (2019)
To acquire the erosive characteristics of two-channel combustion chambers, a quasi-one-dimensional internal ballistics model is proposed. Combining the model with two different erosive burning models, the modified L-R expression, and the Mukunda-Paul
Externí odkaz:
https://doaj.org/article/d872bd9efb9b48e9a88fbbb5cc3437b8
Publikováno v:
International Journal of Aerospace Engineering, Vol 2019 (2019)
With the purpose of obtaining optimal designs of the heat insulating layers in solid rocket motors, we have proposed a numerical approach to compute the ideal thickness of the heat insulating layer. The proposed method is compatible with solid rocket
Externí odkaz:
https://doaj.org/article/b36c335b71174fb0ac0a9b614c3a1b21
Publikováno v:
International Journal of Aerospace Engineering, Vol 2019 (2019)
This paper describes a zero-dimensional model for evaluating the mass flow rate history of a solid rocket motor igniter. Based on the results of an igniter-firing experiment, in which the igniter is the only source of combustion gas and no propellant
Externí odkaz:
https://doaj.org/article/87e6bda797e947fd93a1b454fe8abd90
Autor:
Liang Sun, Weihua Hui, Yong Zhou, Wenyan Zhai, Hui Dong, Yanming Liu, Qian Gao, Mohan Dang, Jianhong Peng
Publikováno v:
Crystals, Vol 10, Iss 8, p 642 (2020)
Magnesium aluminum alloy has a broad potential utilization because of its high specific stiffness, specific strength, excellent anti-vibration performance and good impact resistance. The main reason for the weakness of the welding strength of magnesi
Externí odkaz:
https://doaj.org/article/4ae12a918b814c669ab4b4acdd603ff8