Zobrazeno 1 - 10
of 1 623
pro vyhledávání: '"solid rocket motor"'
Publikováno v:
Ultrasonics Sonochemistry, Vol 111, Iss , Pp 107107- (2024)
The regulation of propellant combustion using ultrasonic waves is proposed. Under ultrasonic frequencies of 25–40 kHz, we systematically examined the combustion characteristics of Al particles, ammonium perchlorate (AP)/hydroxyl-terminated polybuta
Externí odkaz:
https://doaj.org/article/10fdbddb53da459e93a6abbef83e3491
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:
Defence Technology, Vol 29, Iss , Pp 181-192 (2023)
This study investigates the ablation of internal insulation induced by the deposition of an alumina film with different lateral film speeds. A sub-scale test solid rocket motor (SRM) was designed in an impinging jet configuration to form an alumina f
Externí odkaz:
https://doaj.org/article/f31f8be94c56431e97926e4de246975f
Publikováno v:
Sensors, Vol 24, Iss 17, p 5567 (2024)
Carbon fiber-reinforced polymers (CFRPs) are widely used in the fabrication of solid rocket motor casings due to their exceptional performance. However, the bonding interface between CFRP and viscoelastic materials (rubber) is prone to debonding dama
Externí odkaz:
https://doaj.org/article/905c14fee53c45c5aee268b865d3582e
Publikováno v:
Aerospace, Vol 11, Iss 7, p 550 (2024)
The coupling action of gas flow with propellant burning surface regression is the critical process in solid rocket motor (SRM), which has an important effect on the unsteady combustion, erosive burning, dynamic combustion and pressure fluctuation of
Externí odkaz:
https://doaj.org/article/8befb0c6474e41cc9499bf5c44a43fca
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:
Hangkong bingqi, Vol 29, Iss 6, Pp 50-55 (2022)
The accurate calculation of the burning surface during the grain burnback is the basis for the ballistic performance calculation of solid rocket motor. The overload conditions of the motor can significantly affect the burning surface area, grain burn
Externí odkaz:
https://doaj.org/article/572d3ae9d42f4b6381f6728b4205a9fb
Publikováno v:
Defence Technology, Vol 18, Iss 10, Pp 1875-1885 (2022)
This study numerically simulated and investigated the flow field characteristics of a typical dual-pulse solid rocket motor with a soft pulse separation device through thermal insulation ablation under high-temperature dual-pulse erosion. The ablatio
Externí odkaz:
https://doaj.org/article/af73a9d63902407a814945c5604d515b
Publikováno v:
Aerospace, Vol 11, Iss 3, p 215 (2024)
A solid rocket motor (SRM) with a high aspect ratio that performs normally during ground tests may experience instability during flight. To address this issue, this study employs the pulse triggering method and the numerical approach of two-way fluid
Externí odkaz:
https://doaj.org/article/bbafba0643bb41aebfbc8a34b41989ca
Publikováno v:
Aerospace, Vol 11, Iss 3, p 243 (2024)
The fluidic pintle nozzle, a new method to control the thrust of a solid rocket motor, has been proposed in recent years by combining the pintle with the aerodynamic throat (fluidic throat). The study of static characteristics has proved that it has
Externí odkaz:
https://doaj.org/article/fd190bea03ba484a92b02696c581290a