Results 51 to 60 of about 39,486 (297)

The structure of knowledge base to support the development of low-thrust liquid-propellant rocket engines based on computer technologies

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2022
Some data on the knowledge base to support the development of low-thrust liquid-propellant rocket engines using computer technologies are presented. The structure of the base is proposed on the basis of characteristic features of engines, including the ...
V. V. Ryzhkov
doaj   +1 more source

A Review of Technical Advances and Applications of Intelligent Inspection Robots in Structural Health Monitoring

open access: yesSmartBot, Volume 1, Issue 3, September 2025.
This review presents recent advances in intelligent inspection robots for structural health monitoring. It highlights key technologies in sensing, data processing, and fault localization, along with challenges and future directions. The aim is to support practical deployment and promote intelligent, efficient, and autonomous monitoring systems ...
Dongjie Li   +6 more
wiley   +1 more source

Autophage engines: towards a throttleable solid motor [PDF]

open access: yes, 2018
This paper describes the instrumented test firing of a rocket that seeks to combine the throttleability of a liquid-fueled engine with the simplicity of a solid motor.
Dron, Mykola   +5 more
core   +1 more source

In Situ Observations of Ionospheric Perturbations Triggered by the Launches of 2022 and 2023 South Korea Rockets

open access: yesSpace Weather, Volume 23, Issue 9, September 2025.
Abstract We investigated in situ ionospheric plasma density perturbations triggered by the South Korea KSLV‐2 rocket launches on 21 June 2022, and 25 May 2023, by combining ground‐based GNSS total electron content (TEC) observations with in situ measurements from the FORMOSAT‐7/COSMIC‐2 Ion Velocity Meter (IVM).
Jong‐Min Choi   +7 more
wiley   +1 more source

Critical Electrochemistry Technologies Applicable in Space Exploration

open access: yesAdvanced Science, Volume 12, Issue 32, August 28, 2025.
The available resources in space and discuss the application scenarios and challenges of electrochemical methods in four critical domains is analyzed: metallurgical processing of mineral resources, water resources utilization, carbon cycle management in extraterrestrial habitats, and electrical energy storage.
Ruisi Xu   +4 more
wiley   +1 more source

Propellent mass distribution metering apparatus Patent [PDF]

open access: yes, 1969
Electronic recording system for spatial mass distribution of liquid rocket propellant droplets or vapors ejected from high velocity ...
Ayvazian, R. A.
core   +1 more source

Regenerative Cooling Comparison of LOX/LCH4 and LOX/LC3H8 Rocket Engines Using the One-Dimensional Regenerative Cooling Modelling Tool ODREC

open access: yesApplied Sciences, 2023
Due to the extreme temperatures inside the combustion chambers of liquid propellant rocket engines, the walls of the combustion chamber and the nozzle are cooled by either the fuel or the oxidizer in what is known as regenerative cooling.
Yigithan Mehmet Kose, Murat Celik
doaj   +1 more source

AI‐Powered Advancements in Food Analysis and Safety: Ensuring Quality, Protection, and Precision in Modern Food Systems: A Review

open access: yeseFood, Volume 6, Issue 4, August 2025.
The role of AI in contaminant detection and spoilage prediction is underlined. One of the applications is using near‐infrared spectroscopy on a machine learning algorithm sample to determine if it contains any adulterants in olive oil. Also, trying to develop computer vision techniques that can soon be widely deployed to detect defects in the automated
Ammar B. Altemimi   +9 more
wiley   +1 more source

Increasing the efficiency and stability of fuel supply to the combustion chamber of a liquid rocket engine by spray nozzles

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение
In this paper, various configurations of jet nozzles are analyzed, as well as their design. The effects of the inlet chamfer of jet nozzles on their flow rate and range are considered.
Yu. I. Ageenko, A. S. Bubnova
doaj   +1 more source

A Recent Progress on Upgrading of Furfural and Derivatives into Green Transport Fuels and Precursors via CC Coupling Reactions

open access: yesAdvanced Energy and Sustainability Research, Volume 6, Issue 7, July 2025.
This review highlights recent advancements in converting lignocellulosic biomass to fuel precursors. It emphasizes the role of FUR and 2‐methylfuran in aldol condensation and hydroxyalkylation–alkylation reactions. The article discusses their efficiency, potential applications, and emerging technologies that promise cleaner and more sustainable energy ...
Errol D. Saluta   +2 more
wiley   +1 more source

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