Results 21 to 30 of about 802,699 (247)

Dynamics of nonmagnetic inclusions in a microchannel with a magnetic fluid in an inhomogeneous magnetic field

open access: yesAIP Advances, 2022
The article presents the results of studying the dynamics of non-magnetic bubbles and droplets in a magnetic fluid placed in an inhomogeneous magnetic field.
E. Sokolov   +3 more
doaj   +1 more source

Axistationary perfect fluids -- a tetrad approach [PDF]

open access: yes, 1998
Stationary axisymmetric perfect fluid space-times are investigated using the curvature description of geometries. Attention is focused on space-times with a vanishing electric part of the Weyl tensor.
Arianrhod R   +16 more
core   +3 more sources

Optimization of Performance Characteristics of Magnetofluidic Seals for Wind Power Plants

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2023
The use of magnetofluidic seals are a promising direction in sealing rotating shafts of wind power plants. Magnetofluidic seals are characterized by high tightness, simplicity of the design, low losses by friction.
O. N. Labkovich, S. G. Pogirnitskaya
doaj   +1 more source

Velocity Distributions of Granular Gases with Drag and with Long-Range Interactions [PDF]

open access: yes, 2005
We study velocity statistics of electrostatically driven granular gases. For two different experiments: (i) non-magnetic particles in a viscous fluid and (ii) magnetic particles in air, the velocity distribution is non-Maxwellian, and its high-energy ...
A. Snezhko   +9 more
core   +1 more source

Development of micro diaphragm mechanism using surface phenomenon of magnetic fluid

open access: yesNihon Kikai Gakkai ronbunshu, 2015
This paper is concerned with the development of magnetic fluid micro devices. Liquid responses of a magnetic fluid adsorbed on a ring-shaped permanent magnet subject to alternating magnetic fields were investigated.
Seiichi SUDO   +3 more
doaj   +1 more source

Comparison of pressure reconstruction approaches based on measured and simulated velocity fields

open access: yesCurrent Directions in Biomedical Engineering, 2017
The pressure drop over a pathological vessel section can be used as an important diagnostic indicator. However, it cannot be measured non-invasively. Multiple approaches for pressure reconstruction based on velocity information are available.
Manthey Samuel   +6 more
doaj   +1 more source

Lagrangian Evolution of the Weyl Tensor [PDF]

open access: yes, 1994
We derive the evolution equations for the electric and magnetic parts of the Weyl tensor for cold dust from both general relativity and Newtonian gravity. In a locally inertial frame at rest in the fluid frame, the Newtonian equations agree with those of
Bertschinger, Edmund, Hamilton, A. J. S.
core   +3 more sources

Review on Thermal Performance of Nanofluids With and Without Magnetic Fields in Heat Exchange Devices

open access: yesFrontiers in Energy Research, 2022
Addition of nanoparticles into a fluid can improve the heat transfer performance of the base fluid in heat exchangers. In this work, the preparation method and process of nanofluids are introduced, and thermal properties of nanofluids, such as thermal ...
Jiawang Yang   +4 more
doaj   +1 more source

A buoyant flow structure in a magnetic field: Quasi-steady states and linear-nonlinear transitions [PDF]

open access: yes, 2008
The confined evolution of a buoyant blob of fluid subject to a vertical magnetic field is investigated in the limit of low magnetic Reynolds number. When the applied magnetic field is strong, the rise velocity of the blob is small.
Sreenivasan, B.
core   +1 more source

Fluid theory of coherent magnetic vortices in high-beta space plasmas

open access: yes, 2020
In-situ observations in the Earth's and Saturn's magnetosheaths and in the solar wind reveal the presence of Alfv\'en vortices as intermittent structures in the range of scales from fluid lengths down to few ion lengths.
Alexandrova, Olga   +3 more
core   +2 more sources

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