Results 101 to 110 of about 1,531,293 (230)

Simulation of Combustion in a Hybrid Rocket Engine

open access: yes, 2023
A numerical investigation on the combustion mechanics of a hybrid rocket engine is performed through unsteady Reynolds-averaged Navier-Stokes simulation. The hybrid rocket engine model is based on an experimental laboratory scale engine design operating on GOX and HDPE as a propellant.
openaire   +1 more source

Experimental Research into an Innovative Green Propellant Based on Paraffin–Stearic Acid and Coal for Hybrid Rocket Engines

open access: yesInventions
This study focuses on an innovative green propellant based on paraffin, stearic acid, and coal, used in hybrid rocket engines. Additionally, lab-scale firing tests were conducted using a hybrid rocket motor with gaseous oxygen as the oxidizer, utilizing ...
Grigore Cican   +5 more
doaj   +1 more source

Progressive Damage and Impact Behavior of Carbon Fiber/Epoxy‐Aluminum 2024‐T3 CARALL Composites: Experimental Investigation and Hybrid Finite Element Modeling Approach

open access: yesPolymer Composites, Volume 47, Issue 20, Page 18133-18147, 20 October 2026.
Experimental evaluation and hybrid FE modeling of drop‐weight impact damage behavior in 2/1 CARALL panels: A comparison of experimental and numerical results. ABSTRACT The present work investigates the dynamic response of Carbon Fiber Reinforced Epoxy Reinforced Aluminum 2024‐T3 FML with a 2/1 stacking arrangement subjected to low velocity impacts. Low
Mehmet İskender Özsoy   +4 more
wiley   +1 more source

Evolution of OLED Lamination Technology With Development of Display Form Factors

open access: yesAdvanced Materials Technologies, Volume 11, Issue 19, 7 October 2026.
This review evaluates the evolution of organic light‐emitting diode (OLED) lamination technologies alongside advancing display form factors. It contrasts optically clear adhesives and resins, highlighting uniformity control for rigid screens, bubble‐free optimization for bended architectures, and visible‐light curing for foldable layers.
Kwan‐Young Han, Ji‐Hoon Park
wiley   +1 more source

Simulation and Analysis of Stiffened Auxetic Honeycombs Having Enhanced High Impact Velocity Response

open access: yesApplied Research, Volume 5, Issue 5, October 2026.
The ballistic resistance of auxetic re‐entrant honeycomb structures can be significantly improved through geometric tailoring and structural reinforcement. Vertical and horizontal stiffening ribs enhanced the ballistic performance, increasing the energy absorption efficiency by 119.45% and the projectile velocity reduction by 281.36%, ultimately ...
Samy M. Lawaty   +3 more
wiley   +1 more source

Numerical modelling of hybrid rocket boundary layer combustion [PDF]

open access: yes
openL'obiettivo di questo elaborato è quello di modellare numericamente la combustione all’interno dello strato limite dei motori ibridi con il fine di determinare, oltre ai parametri classici della balistica interna, anche l’efficienza di impiego del ...
BUREL, ANDREA
core  

Combustion Processes in Hybrid Rocket Engines [PDF]

open access: yes, 1996
In recent years, there has been a resurgence of interest in the development of hybrid rocket engines for advanced launch vehicle applications. Hybrid propulsion systems use a solid fuel such as hydroxyl-terminated polybutadiene (HTPB) along with a ...
Merkle, C. L., Venkateswaran,S.
core  

From Flybys to Sample Return: A Review of Space Probes and Robotic Sampling Technologies for Small Bodies

open access: yesJournal of Field Robotics, Volume 43, Issue 7, Page 4475-4514, October 2026.
ABSTRACT As a crucial puzzle piece of deep space exploration, exploring small bodies can provide significant scientific insights and valuable mineral resources. Unlike missions to the Moon and Mars, small‐body missions pose distinct technical challenges, including communication delays, weak gravity, and uncertain environments. This paper reviews a full
Xin Zhang   +3 more
wiley   +1 more source

MP‐DualNet: A Dual‐Branch Deep Learning Approach for Magnetopause Boundary Detection Using Simulated SXI Images

open access: yesSpace Weather, Volume 24, Issue 10, October 2026.
Abstract The Earth's magnetopause is a key boundary governing solar wind–magnetosphere coupling. The Solar wind Magnetosphere Ionosphere Link Explorer (SMILE) mission will provide global soft X‐ray imaging of the magnetosphere through solar wind charge exchange (SWCX) emission, offering a new opportunity for remote sensing of magnetopause dynamics ...
Cheng Zhong   +7 more
wiley   +1 more source

Throttleable hybrid rocket engines for precise aerospace manoeuvres

open access: yes, 2019
Aim of this bachelor thesis is to describe current knowledge of hybrid rocket propulsion. Thesis describes the development of hybrid rocket engine, including its precise description of the engine.
Kříž, Tomáš
core  

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