A new concept of a hydrodynamic bearing lubricated by composite magnetic fluid for controlling the bearing load capacity

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F22%3A00578438" target="_blank" >RIV/61388998:_____/22:00578438 - isvavai.cz</a>

Alternative codes found

RIV/61989100:27230/22:10249317 RIV/61989100:27740/22:10249317

Result on the web

<a href="https://www.sciencedirect.com/science/article/pii/S0888327021010001?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0888327021010001?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.ymssp.2021.108678" target="_blank" >10.1016/j.ymssp.2021.108678</a>

Result language

angličtina

Original language name

A new concept of a hydrodynamic bearing lubricated by composite magnetic fluid for controlling the bearing load capacity

Original language description

The paper deals with a new design concept of a hydrodynamic bearing lubricated by composite magnetic fluids, which belong to the category of liquids with a yielding shear stress if effected by a magnetic field. Development of the mathematical model of the studied bearing required to derive the equation for the pressure distribution in the thin film of lubricant exhibiting yielding shear stress, the magnitude of which depends on magnetic induction. The magnetic field in the bearing gap is controlled by the change of the current powering the electric coil, which generates magnetic flux passing through the bearing gap. The developed mathematical model was implemented in the computational procedures for transient response of rotors. The computational simulations confirm that increase in magnetic induction in the bearing gap increases the bearing load capacity and shifts the journal towards the bearing centre. The advantage of the investigated bearing is that it works on a semiactive principle. The conducted research made it possible to propose and study a new design of a controllable bearing, the operation of which is based on utilization of the change of resistance against the flow of composite ferromagnetic fluids by the action of a magnetic field.

Czech name

—

Czech description

—

Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20302 - Applied mechanics

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2022

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Mechanical Systems and Signal Processing

ISSN

0888-3270

e-ISSN

1096-1216

Volume of the periodical

168

Issue of the periodical within the volume

April

Country of publishing house

GB - UNITED KINGDOM

Number of pages

13

Pages from-to

108678

UT code for WoS article

000787830800005

EID of the result in the Scopus database

2-s2.0-85120877394