Results 31 to 40 of about 1,249,044 (310)

Simulation of Attachment, Rolling, and Detachment of a Single Settling Particle over a Stationary Cylinder by Homogenized Lattice Boltzmann Method [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering
The particle motion and settling especially over obstacles encounter in many industrial and natural phenomena such as water, wastewater treatment, and mining industries.
Ataallah Soltani
doaj   +1 more source

A Wind Tunnel Experimental Study on the Icing Characteristics of a Cylinder Rotating around a Vertical Axis

open access: yesApplied Sciences, 2021
Rotating machinery in cold and humid regions is prone to icing. For exploring the characteristics of icing on objects rotating around a vertical axis, such as vertical axis wind turbines (VAWT), a cylinder rotating around the vertical axis was selected ...
Wenfeng Guo   +4 more
doaj   +1 more source

CFD analysis of turbulent forced convection over a spinning cylinder in an enclosed channel

open access: yesInternational Journal of Thermofluids, 2022
A CFD approach has been used to analyze fully developed turbulent flow and heat transport over a spinning hot circular solid cylinder inside an enclosed channel.
Md. Rakib Hossain   +2 more
doaj   +1 more source

Normalized lift: an energy interpretation of the lift coefficient simplifies comparisons of the lifting ability of rotating and flapping surfaces. [PDF]

open access: yesPLoS ONE, 2012
For a century, researchers have used the standard lift coefficient C(L) to evaluate the lift, L, generated by fixed wings over an area S against dynamic pressure, ½ρv(2), where v is the effective velocity of the wing.
Phillip Burgers, David E Alexander
doaj   +1 more source

Moving Surface Boundary-Layer Control on the Wake of Flow around a Square Cylinder

open access: yesApplied Sciences, 2022
In this paper, the entire process of the flow around a fixed square cylinder and the moving surface boundary-layer control (MSBC) at a low Reynolds number was numerically simulated.
Te Song, Xin Liu, Feng Xu
doaj   +1 more source

Slow Motion between Eccentric Rotating Cylinders

open access: yesTransactions of the Japan Society of Mechanical Engineers, 1974
The slow motion of a viscous incompressible fluid in the space bounded by two long parallel eccentric circular cylinders is studied. The outer one is stationary while the inner one is rotating steadily. Approximate solutions of the Navier-Stokes equations are obtained for the two dimensional flow.
Isao ASHINO, Kiyoshi YOSHIDA
openaire   +3 more sources

Microstructural Evolution and Vacancy Defect Formation in Mn–Mo–Ni RPV Steel Under Low Cycle Fatigue: Insights From EBSD and PALS

open access: yesAdvanced Engineering Materials, EarlyView.
Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar   +2 more
wiley   +1 more source

EBSD Study of Creep‐Induced Lattice Misorientation in MgO‐Particle‐Reinforced Austenitic Steel Composites

open access: yesAdvanced Engineering Materials, EarlyView.
Creep experiments at 900°C on coarse‐grained steel‐ceramic composites containing recycled magnesia reveal that higher ceramic volume fractions significantly enhance the creep resistance. Detailed EBSD investigations identify subgrain formation in the steel matrix as the dominant deformation mechanism.
Moritz Müller   +6 more
wiley   +1 more source

Rotational effect of a cylinder on hydro-thermal characteristics in a partially heated square enclosure using CNT-water nanofluid

open access: yesHeliyon, 2023
Rotating cylinder movement in a cavity flow is an exciting field of study in heat transfer. Considerable research has been carried out on rotating cylinders under MHD mixed convection in various types of enclosures.
A.K. Azad   +4 more
doaj   +1 more source

Electrical Conductivities of Conductors, Semiconductors, and Their Mixtures at Elevated Temperatures

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents a comprehensive review of temperature‐dependent electrical conductivity data for multiple material classes at elevated temperatures, highlighting a persistent conductivity gap between metals and semiconductors in the range of 102$\left(10\right)^{2}$– 107$\left(10\right)^{7}$ S/m. Metal–ceramic irregular metamaterials are proposed
Valentina Torres Nieto, Marcia A. Cooper
wiley   +1 more source

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