Study of structural changes in magneto-rheological fluids by acoustic spectroscopy

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28610%2F16%3A43874652" target="_blank" >RIV/70883521:28610/16:43874652 - isvavai.cz</a>

Výsledek na webu

<a href="http://ieeexplore.ieee.org/abstract/document/7512154/?section=abstract" target="_blank" >http://ieeexplore.ieee.org/abstract/document/7512154/?section=abstract</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1109/ELEKTRO.2016.7512154" target="_blank" >10.1109/ELEKTRO.2016.7512154</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Study of structural changes in magneto-rheological fluids by acoustic spectroscopy

Popis výsledku v původním jazyce

The changes in structural arrangement in silicon oil based magneto-rheological fluids with carbonyl iron particles upon the effect of an external magnetic were studied by acoustic spectroscopy. The attenuation of acoustic waves was measured for a jump change of the magnetic field at temperature 20 oC for various magnetic particles concentrations. The relaxation effects for the acoustic attenuation after switching off the magnetic field and its decrease to the same value as for clean synthetic oil were observed. The change in attenuation coefficients of acoustic waves in magneto-rheological fluid versus angle between the wave vector and direction of the applied magnetic field has been measured, too. From the measured anisotropy of attenuation coefficient structural change of magneto-rheological fluid in the magnetic field is evident. The observed influences of the magnetic field and concentration on the investigated liquids structure are discussed.

Název v anglickém jazyce

Study of structural changes in magneto-rheological fluids by acoustic spectroscopy

Popis výsledku anglicky

The changes in structural arrangement in silicon oil based magneto-rheological fluids with carbonyl iron particles upon the effect of an external magnetic were studied by acoustic spectroscopy. The attenuation of acoustic waves was measured for a jump change of the magnetic field at temperature 20 oC for various magnetic particles concentrations. The relaxation effects for the acoustic attenuation after switching off the magnetic field and its decrease to the same value as for clean synthetic oil were observed. The change in attenuation coefficients of acoustic waves in magneto-rheological fluid versus angle between the wave vector and direction of the applied magnetic field has been measured, too. From the measured anisotropy of attenuation coefficient structural change of magneto-rheological fluid in the magnetic field is evident. The observed influences of the magnetic field and concentration on the investigated liquids structure are discussed.

Druh

D - Stať ve sborníku

CEP obor

JI - Kompositní materiály

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2016

Kód důvěrnosti údajů

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

Název statě ve sborníku

ELEKTRO 2016 - 11th International Conference, Proceedings

ISBN

978-1-4673-8698-2

ISSN

—

e-ISSN

—

Počet stran výsledku

4

Strana od-do

624-627

Název nakladatele

Institute of Electrical and Electronics Engineer, Inc.

Místo vydání

Piscataway

Místo konání akce

Štrbské Pleso

Datum konání akce

16. 5. 2016

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

000386959800127