Results 61 to 70 of about 1,805 (310)

Study of the coupling between real gas effects and rarefied effects on hypersonic aerodynamics [PDF]

open access: yes, 2012
Hypersonic vehicles travel across the atmosphere at very high speed, and the surrounding gas experiences complicated physical and chemical processes. These processes produce real gas effects at high temperature and rarefied gas effects at high altitude ...
Chen S(陈松)   +3 more
core   +1 more source

Lattice Boltzmann Model for Rarefied Gaseous Mixture Flows in Three-Dimensional Porous Media Including Knudsen Diffusion

open access: yesFluids
Numerical modeling of gas flows in rarefied regimes is crucial in understanding fluid behavior in microscale applications. Rarefied regimes are characterized by a decrease in molecular collisions, and they lead to unusual phenomena such as gas phase ...
Michel Ho   +5 more
doaj   +1 more source

Higher-order Knudsen's permeability correction model for rarefied gas in micro-scale channels

open access: yesNatural Gas Industry B, 2019
Rarefaction effect appears when gas flows in micro/nano channels, so it is difficult to accurately predict real gas flow rate by using the classical theory.
Yinbin Lu
doaj   +1 more source

Acoustic flows in a slightly rarefied gas

open access: yesPhysical Review Fluids, 2020
The Boltzmann equation provides a rigorous description of gas flows at all degrees of gas rarefaction. Asymptotic analyses of this equation yield valuable insight into the physical mechanisms underlying gas flows. In this article, we report an asymptotic analysis of the Boltzmann-BGK equation for a slightly rarefied gas when the acoustic wavelength is ...
Nicholas Z. Liu   +3 more
openaire   +2 more sources

Cyclic azapeptide CD36 ligand attenuates cardiac injury and reduces long‐chain fatty acid accumulation after myocardial ischemia–reperfusion in mice

open access: yesFEBS Open Bio, EarlyView.
In a murine model of myocardial ischemia and reperfusion (MI/R), the CD36 azapeptide ligand MPE‐298 reduces cardiac injury and transiently lowers left ventricular long‐chain fatty acids (LCFAs) accumulation 3 h after reperfusion, accompanied by a decrease of oxidative stress and inflammation‐associated genes' expression in the heart and adipose tissue.
Jade Gauvin   +12 more
wiley   +1 more source

Flow rate measurement of rarefied binary gases in long rectangular microchannels [PDF]

open access: yes, 2011
This paper was presented at the 3rd Micro and Nano Flows Conference (MNF2011), which was held at the Makedonia Palace Hotel, Thessaloniki in Greece.
Szalmas, L   +3 more
core  

Velocity Measurements in Channel Gas Flows in the Slip Regime by means of Molecular Tagging Velocimetry

open access: yesMicromachines, 2020
Direct measurements of the slip velocity in rarefied gas flows produced by local thermodynamic non-equilibrium at the wall represent crucial information for the validation of existing theoretical and numerical models.
Dominique Fratantonio   +4 more
doaj   +1 more source

Statistical Simulation of Rarefied Gas Flows in Micro-Channels [PDF]

open access: yes, 2003
Rarefied gas flows through micro-channels are simulated using particle approaches, named as the information preservation (IP) method and the direct simulation Monte Carlo (DSMC) method.
Shen, C (reprint author), Chinese Acad Sci, Inst Mech, High Temp Gasdynam Lab, Beijing 100080, Peoples R China.   +3 more
core   +1 more source

Investigation of the Inverse Magnus Effect on a Rotating Sphere in Hypersonic Rarefied Flow

open access: yesApplied Sciences
Explorations involving long-endurance and maneuvering flights in the upper atmosphere, as well as research on atmospheric entries of space debris or asteroids, call for a full understanding of hypersonic rarefied flows.
Yazhong Jiang   +2 more
doaj   +1 more source

Characterization of Aluminized Layers on Inconel‐738 Alloy: Microstructure, Modeling of Aluminizing Kinetics, and Thermal Behavior

open access: yesAdvanced Engineering Materials, EarlyView.
This study explored how effective nickel aluminide coatings are obtained in providing oxidation resistance applied to the Inconel 738 alloy, modeling with diffusion models. In the present study, kinetics and thermal behavior of the Inconel 738 alloy were studied by the low‐temperature thermoreactive aluminizing process, which was carried out at 625°C ...
Gozde Celebi Efe   +4 more
wiley   +1 more source

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