Results 81 to 90 of about 17,267 (230)
AerospaceAccurate quantification of metallic contaminants in rocket exhaust plumes serves as a critical diagnostic indicator for engine wear monitoring. This paper develops a hybrid method combining atomic emission spectroscopy (AES) theory with a genetic ...
Siyang Tan +5 more
doaj +1 more source
One-Dimensional simulation of internal ballistic of a Hybrid Rocket Engine [PDF]
علوم، فناوری و کاربردهای فضاییA one-dimensional code was developed to simulate the performance of hybrid rocket engines. In this code, the conservation equations of mass, momentum and energy are solved in one-dimensional and inviscid form.
Hadi Rezaei
doaj +1 more source
A Blockchain‐Less Traceability System for Agriculture Using DAG, IPFS, and Serverless Deployments
International Journal of Network Management, Volume 36, Issue 3, May/June 2026.ABSTRACT Ensuring transparency and integrity in agricultural data management is a critical challenge as the sector increasingly relies on advanced technologies. The primary problem is maintaining data traceability and security throughout the supply chain.
Antonio Villafranca +6 more
wiley +1 more source
Polymers for Advanced Technologies, Volume 37, Issue 5, May 2026.ABSTRACT Advanced composite materials have become the leading material platform for high‐performance sports equipment, enabling superior strength‐to‐weight performance, stiffness tailoring, and enhanced functional integration compared with conventional materials. This review summarizes state‐of‐the‐art developments across multiple sporting disciplines,
Alhayat Getu Temesgen +5 more
wiley +1 more source
Hybrid Rocket Propulsion for Sounding Rocket Applications [PDF]
A discussion of the H-225K hybrid rocket motor, produced by the American Rocket Company, is given. The H-225K motor is presented in terms of the following topics: (1) hybrid rocket fundamentals; (2) hybrid characteristics; and (3) hybrid ...
core +1 more source
Hybrid Rocket Engine Burnback Simulations Using Implicit Geometry Descriptions
AerospaceThe performance of hybrid rocket engines is significantly influenced by the fuel geometry. Burnback simulations, to determine the fuel surface and fluid volume, are therefore an important tool for preliminary design.
Jan Erik Zeriadtke +2 more
doaj +1 more source
Next generation earth-to-orbit space transportation systems: Unmanned vehicles and liquid/hybrid boosters [PDF]
The United States civil space effort when viewed from a launch vehicle perspective tends to categorize into pre-Shuttle and Shuttle eras. The pre-Shuttle era consisted of expendable launch vehicles where a broad set of capabilities were matured in a ...
Hueter, Uwe
core +1 more source
Multiphysics Modelling of a Hybrid Rocket Engine [PDF]
14th WCCM-ECCOMAS Congress, 2021 Ferrero, A. +3 more
openaire +2 more sources
Investigation of Dual-Vortical-Flow Hybrid Rocket Engine without Flame Holding Mechanism
International Journal of Aerospace Engineering, 2018 A 250 kgf thrust hybrid rocket engine was designed, tested, and verified in this work. Due to the injection and flow pattern of this engine, this engine was named dual-vortical-flow engine.
A. Lai +5 more
doaj +1 more source
CFD Analysis of De Laval Nozzle of a Hybrid Rocket Engine [PDF]
E3S Web of Conferences: The study gives a general overview of the CFD-simulated gas flow via the nozzle of a De Laval rocket engine. In CFD software, the mesh is generated using the nozzle’s geometry.
Ahmad Mohamed Tarmizi +6 more
doaj +1 more source