Results 21 to 30 of about 38,135 (277)
Estimation of internal ballistic parameters for the 107 mm rocket motor conceptual design
Defense and Security StudiesThe demand for solid propellant rocket motors does not seem to fade, regardless of constant improvements in rocket technology. To make modifications that will result in improved design, it is crucial to use already existing motor models.
Ilma Subotic
doaj +1 more source
The Submerged Nozzle Damping Characteristics in Solid Rocket Motor
Aerospace, 2023 In this paper, the effects of the geometry of a submerged nozzle on the nozzle damping characteristics are studied numerically. Firstly, the numerical method is verified by the previous experimental data.
Xiaosi Li, Kai Pang, Xinyan Li
doaj +1 more source
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 +2 more
doaj +1 more source
AerospaceThe 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 +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 +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 +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 +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 +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
Heuristically Adaptive Diffusion‐Model Evolutionary Strategy
Advanced Science, EarlyView.Building on the mathematical equivalence between diffusion models and evolutionary algorithms, researchers demonstrate unprecedented control over evolutionary optimization through conditional diffusion. By training diffusion models to associate parameters with specific traits, they can guide evolution toward solutions exhibiting desired behaviors ...
Benedikt Hartl +3 more
wiley +1 more source