Results 51 to 60 of about 1,531,293 (230)
Case Studies in Thermal EngineeringEffective cooling in rocket engines is essential to prevent overheating and ensure efficient performance under extreme operating conditions. This study presents a comprehensive investigation into advanced cooling strategies for rocket engines utilizing ...
Hatem Gasmi +7 more
doaj +1 more source
Advanced Science, EarlyView.Green mechanochemical copolymerization was developed for universal interfacial modification of Group 13 and related fillers. By leveraging Lewis acid–base coordination to anchor sulfur‐containing polymers—validated via multiscale characterization and DFT—this versatile method boosts performance across liquid fuels, thermal‐shielding materials, and ...
Chen Wang +7 more
wiley +1 more source
Review of regression rate enhancement techniques for hybrid rocket engines
, 2021 International audienceHybrid Rocket Engines (HREs) generate thrust by combining a liquid and a solid propellant. Given the hybrid nature, HREs possess several advantages over Liquid Rocket Engines (LREs) and Solid Rocket Motors (SRMs). Hybrid engines are
Anthoine, Jérôme +2 more
core +1 more source
Emerging Memory and Device Technologies for Hardware‐Accelerated Model Training and Inference
Advanced Electronic Materials, EarlyView.This review investigates the suitability of various emerging memory technologies as compute‐in‐memory hardware for artificial intelligence (AI) applications. Distinct requirements for training‐ and inference‐centric computing are discussed, spanning device physics, materials, and system integration.
Yoonho Cho +6 more
wiley +1 more source
NUMERICAL MODELING OF COMBUSTION PROCESSES IN HYBRID ROCKET ENGINES
International Journal of Energetic Materials and Chemical Propulsion, 2016 Nowadays, numerical simulations of combustion processes in hybrid rockets are generally considered as a qualitative tool used mainly to describe the flow field inside the rocket engine. A research effort is of major importance in order to change this trend.
Mazzetti, Alessandro +1 more
openaire +2 more sources
Nitrous Oxide/Paraffin Hybrid Rocket Engines [PDF]
, 2010 Nitrous oxide/paraffin (N2OP) hybrid rocket engines have been invented as alternatives to other rocket engines especially those that burn granular, rubbery solid fuels consisting largely of hydroxyl- terminated polybutadiene (HTPB).
Zubrin, Robert, Snyder, Gary
core
Innovative Methods to Enhance the Combustion Properties of Solid Fuels for Hybrid Rocket Propulsion
Aerospace, 2019 The low regression rates for hydroxyl-terminated polybutadiene (HTPB)-based solid fuels and poor mechanical properties for the alternative paraffin-based liquefying fuels make today hybrid rocket engines far from the outstanding accomplishments of solid ...
Suhang Chen +6 more
doaj +1 more source
Carbon Energy, EarlyView.Replacing the oxygen evolution reaction with the electro‐oxidation of pollutants and waste streams offers an energy‐efficient route for simultaneous hydrogen production and pollutant remediation. This review summarizes the reaction mechanisms, catalyst design principles, and emerging paired‐electrolysis strategies that govern activity, selectivity ...
Safa Al‐Yahyaey +4 more
wiley +1 more source
Multiphysics Modelling of a Hybrid Rocket Engine [PDF]
14th WCCM-ECCOMAS Congress, 2021 Ferrero, A. +3 more
openaire +2 more sources
Approaches to Low Fuel Regression Rate in Hybrid Rocket Engines
International Journal of Aerospace Engineering, 2012 Hybrid rocket engines are promising propulsion systems which present appealing features such as safety, low cost, and environmental friendliness. On the other hand, certain issues hamper the development hoped for.
Dario Pastrone
doaj +1 more source