Time-dependent CFD and quasi-static analysis of magnetorheological fluid dampers with experimental validation

Zekeriya Parlak*, Tahsin Engin

*Bu çalışma için yazışmadan sorumlu yazar

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56 Atıf (Scopus)

Özet

Magnetorheological (MR) dampers can be controlled effectively by a magnetic field and with minimum power requirement. Under the magnetic field, MR fluid behaves as a non-Newtonian fluid with controllable viscosity. Damper performance can be enhanced by getting to know better the non-Newtonian flow in the annular gap of piston head. In the study the non-Newtonian flow in the annular gap is investigated by a quasi-static analysis that enables to calculate plug thickness and damper force. Also CFD analysis of the MR damper is performed by using transient and deformed mesh to be able to simulate moving of piston head in the damper considering non-Newtonian regions. Results of the analyses have been compared to experimental data obtained from MR dampers manufactured for the study. Good agreement has been observed between experimental and analyses data. In addition, effects of stroke and velocity on the damper performance are examined in the study.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)22-31
Sayfa sayısı10
DergiInternational Journal of Mechanical Sciences
Hacim64
Basın numarası1
DOI'lar
Yayın durumuYayınlandı - Kas 2012
Harici olarak yayınlandıEvet

Finansman

The authors gratefully acknowledge TUBITAK for making this project possible under Grant no: 104M157 .

FinansörlerFinansör numarası
TUBITAK104M157

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