Results 51 to 60 of about 69,089 (320)

Fault Diagnosis in Partially Observable Petri Nets with Quantum Bayesian Learning

open access: yesApplied Sciences, 2023
This paper investigates the quantum Bayesian probability estimation of fault diagnosis based on Partially Observable Petri Nets (POPN) for a liquid-propellant rocket engine system.
Jiufu Liu   +3 more
doaj   +1 more source

Fluid thrust control system [PDF]

open access: yes, 1968
A pure fluid thrust control system is described for a pump-fed, regeneratively cooled liquid propellant rocket engine. A proportional fluid amplifier and a bistable fluid amplifier control overshoot in the starting of the engine and take it to a ...
Howell, W. L.   +2 more
core   +1 more source

Transition Metal Carbide‐Based Catalysis for Thermocatalytic Conversion Processes: Properties, Synthesis, Applications, and Future Outlook

open access: yesChemNanoMat, EarlyView.
Transition metal carbides (TMCs) have electronic structure similar to that of platinum group metals, making them attractive for thermocatalysis applications. This review explores several essential aspects, discussing physical and chemical properties of TMCs, synthesis methods, and their utilization in thermocatalytic processes, including generation of ...
Edris Madadian   +3 more
wiley   +1 more source

Study of Hot Gas Pressurizing System Tank and Liquid Rocket Engine Interaction by Dynamic Simulation [PDF]

open access: yesفصلنامه علوم و فناوری فضایی, 2013
Providing of sufficient input pressure of pumps is Pressurizing system tank mission. In structure of objective propulsion system, pressurizing system of fuel tank is hot gas kind that is feeding with engine which caused of operation relational.
H. R. Ali Mohammady   +4 more
doaj  

Atmospheric‐Pressure Cold Plasma: A Next‐Generation Nonthermal Technology for Enhancing Food Safety, Quality, and Shelf Life

open access: yesFood Frontiers, EarlyView.
The figure depicts the role of atmospheric pressure cold plasma in enhancing food safety, quality, and shelf life. It highlights key applications such as microbial inactivation, residue removal, food functionality improvement, and packaging enhancement, while also depicting associated challenges and future prospects in non‐thermal food processing ...
Mohammad Keewan   +4 more
wiley   +1 more source

Influence of continuous and pulsed light on the yield and phytochemical composition of Capsicum annuum L. cv. ‘Padrón’

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND Sweet pepper (Capsicum annuum) is of considerable socio‐economic importance and is among the most widely cultivated vegetables worldwide, occupying more than 20 000 km2. Light‐emitting diodes (LEDs), applied in continuous or pulsed modes, can increase yield and improve the phytochemical composition in indoor production systems ...
Cinthia Nájera   +6 more
wiley   +1 more source

Mass Spectrometry Structural Proteomics Enabled by Limited Proteolysis and Cross‐Linking

open access: yesMass Spectrometry Reviews, EarlyView.
ABSTRACT The exploration of protein structure and function stands at the forefront of life science and represents an ever‐expanding focus in the development of proteomics. As mass spectrometry (MS) offers readout of protein conformational changes at both the protein and peptide levels, MS‐based structural proteomics is making significant strides in the
Haiyan Lu   +4 more
wiley   +1 more source

Comparative Analysis of Liquid Rocket Engines and Solid Rocket Engines based on Specific-Impulse

open access: yes, 2023
{"references": ["Title: \"Rocket Propulsion\" (2nd Edition) Authors: Stephen D. Heister and Sven G. Bil\u00e9n Publisher: CRC Press Year: 2017 Relevant sections: \u2022\tChapter 2 - Propellant Characteristics \u2022\tChapter 6 - Liquid Propellant Rocket Engines \u2022\tChapter 7 - Solid Propellant Rocket Motors", "Title: \"Technology for U.S.
openaire   +1 more source

Two-axis winch installer for heavy ducts in confined space [PDF]

open access: yes, 1969
Two-axis winching and traversing device is used for installing liquid-propellant rocket-engine fuel and liquid oxygen suction ducts between the valves and the rocket engine on a test stand.
Cox, E. F.
core   +1 more source

Kinetic Compensation of Barrel Launch Under High‐Speed Solid‐Phase Particulate Impacts

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT An accurate launch‐dynamics computational method is critical for barrel weapon service life assessment and multiphase physics field refinement. Given the lack of studies on the solid‐phase buildup behavior at the projectile base, this paper provides an improved method for calculating the launching dynamics under high pressure and high speed ...
Zhiyi He   +3 more
wiley   +1 more source

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