Results 21 to 30 of about 38,024 (216)

Monte Carlo Uncertainty Quantification Using Quasi-1D SRM Ballistic Model

International Journal of Aerospace Engineering, 2016
Compactness, reliability, readiness, and construction simplicity of solid rocket motors make them very appealing for commercial launcher missions and embarked systems. Solid propulsion grants high thrust-to-weight ratio, high volumetric specific impulse,
Davide Viganò, Adriano Annovazzi, Filippo Maggi   +2 more
doaj   +1 more source

Numerical Simulation of the Gas Flow of Combustion Products from Ignition in a Solid Rocket Motor Under Conditions of Propellant Creep

Aerospace
The development of modern solid rocket technology with high-performance and high-loading ratio propellants places higher requirements on the safety and stability of the solid rocket motor.
Yin Zhang, Zhensheng Sun, Yu Hu, Yujie Zhu, Xuefeng Xia, Huang Qu, Bo Tian   +6 more
doaj   +1 more source

Solid Rocket Motor Design Using Hybrid Optimization

International Journal of Aerospace Engineering, 2012
A particle swarm/pattern search hybrid optimizer was used to drive a solid rocket motor modeling code to an optimal solution. The solid motor code models tapered motor geometries using analytical burn back methods by slicing the grain into thin sections ...
Kevin Albarado, Roy Hartfield, Wade Hurston, Rhonald Jenkins   +3 more
doaj   +1 more source

A numerical method for solid propellant grain design [PDF]

Scientific Technical Review, 2018
In this study, a grain burnback analysis for an Anchor solid propellant grain geometry for a rocket motor was done. The design process involves parametric modeling of the geometry in using PTC Creo software through dynamic variables that define the ...
Tanaskovski Bojan, Nešić Jovica, Jelisavac Ljiljana, Bogdanov Jovica   +3 more
doaj  

Parameters Affecting the Erosive Burning of Solid Rocket Motor

MATEC Web of Conferences, 2018
Increasing the velocity of gases inside solid rocket motors with low port-to-throat area ratios, leading to increased occurrence and severity of burning rate augmentation due to flow of propellant products across burning propellant surfaces (erosive ...
Abdelaziz Almostafa, Guozhu Liang, Elsayed Anwer   +2 more
doaj   +1 more source

Gas-dynamic losses in the flow part of the channel charge of a solid-propellant rocket engine

Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2022
Modern methods of computational fluid dynamics have been used to study flows with mass supply in axisymmetric channels of solid-propellant rocket motor charges.
A. N. A. N. Sabirzyanov, Ch. B. Khamatnurova, V. V. Kuzmin   +2 more
doaj   +1 more source

Steerable solid propellant rocket motor Patent [PDF]

, 1964
Steerable solid propellant rocket motor adapted to effect payload orientation as multistage rocket stage or reduce velocity as ...
Raggio, C. W., Jr.
core   +1 more source

Data Augmentation and Deep Learning Methods for Pressure Prediction in Ignition Process of Solid Rocket Motors

Machines
During the ignition process of a solid rocket motor, the pressure changes dramatically and the ignition process is very complex as it includes multiple reactions.
Huixin Yang, Pengcheng Yu, Yan Cui, Bixuan Lou, Xiang Li   +4 more
doaj   +1 more source

Structural response analysis of a solid rocket motor with HTPB propellant grain under vertical storage condition

Xibei Gongye Daxue Xuebao, 2022
Aiming at the structural response characteristics of solid rocket motor (SRM) under vertical storage conditions, the creep tests of HTPB propellant under different stress levels were carried out, and the creep constitutive model of the propellant was ...
CHEN Ke, REN Quanbin, CHENG Jiming, WANG Jianru, LEI Jiahao   +4 more
doaj   +1 more source

Optimization of Construction of the rocket-assisted projectile

MATEC Web of Conferences, 2017
New scheme of the rocket motor of rocket-assisted projectile providing the increase in distance of flight due to controlled and optimal delay time of ignition of the solid-propellant charge of the SRM and increase in reliability of initiation of the SRM ...
Arkhipov Vladimir, Perfilieva Ksenia
doaj   +1 more source