A Dynamic Model and Parameter Identification of High Viscosity Magnetorheological Fluid-Based Energy Absorber with Radial Flow Mode

The excellent suspension stability of the high-viscosity linear polysiloxane magnetorheological fluid (HVLP MRF) makes it a great controlled medium for magnetorheological energy absorbers (MREAs). In our previous work, the Herschel–Bulkley flow model (HB model) was used to describe the shear-thinnin...

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Autores principales:	Benyuan Fu, Xianming Zhang, Zhuqiang Li, Ruizhi Shu, Changrong Liao
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	dynamic model magnetorheological energy absorber impact behavior parameter identification Organic chemistry QD241-441
Acceso en línea:	https://doaj.org/article/2a138d27aabd4158821e54ea23cb9f11
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spelling	oai:doaj.org-article:2a138d27aabd4158821e54ea23cb9f112021-11-25T18:29:30ZA Dynamic Model and Parameter Identification of High Viscosity Magnetorheological Fluid-Based Energy Absorber with Radial Flow Mode10.3390/molecules262270591420-3049https://doaj.org/article/2a138d27aabd4158821e54ea23cb9f112021-11-01T00:00:00Zhttps://www.mdpi.com/1420-3049/26/22/7059https://doaj.org/toc/1420-3049The excellent suspension stability of the high-viscosity linear polysiloxane magnetorheological fluid (HVLP MRF) makes it a great controlled medium for magnetorheological energy absorbers (MREAs). In our previous work, the Herschel–Bulkley flow model (HB model) was used to describe the shear-thinning rheological behavior and establish the dynamic model of an HVLP MRF-based MREA with radial flow mode. However, as the established model was implicit, the MREA response time increased and the buffer effect was degraded. To improve the time response characteristics, an explicit dynamic model based on the HB model incorporating minor losses (called the E-HBM model) is proposed in this study. The model parameters were identified based on the HBM model. To verify the E-HBM model, five evaluation parameters for the energy absorption performance of the MREA, that is, peak force, mean force, crush force efficiency, specific energy absorption, and stroke efficiency, were introduced to compare the theoretical results with the experimental results obtained using a high-speed drop tower facility with a mass of 600 kg. Then, the relative error of the crush force efficiency, specific energy absorption, and stroke efficiency was quantitatively and comprehensively analyzed considering the E-HBM model and experimental results. The results indicate that the proposed E-HBM model agrees with the impact behavior of the radial flow mode MREA.Benyuan FuXianming ZhangZhuqiang LiRuizhi ShuChangrong LiaoMDPI AGarticledynamic modelmagnetorheological energy absorberimpact behaviorparameter identificationOrganic chemistryQD241-441ENMolecules, Vol 26, Iss 7059, p 7059 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	dynamic model magnetorheological energy absorber impact behavior parameter identification Organic chemistry QD241-441
spellingShingle	dynamic model magnetorheological energy absorber impact behavior parameter identification Organic chemistry QD241-441 Benyuan Fu Xianming Zhang Zhuqiang Li Ruizhi Shu Changrong Liao A Dynamic Model and Parameter Identification of High Viscosity Magnetorheological Fluid-Based Energy Absorber with Radial Flow Mode
description	The excellent suspension stability of the high-viscosity linear polysiloxane magnetorheological fluid (HVLP MRF) makes it a great controlled medium for magnetorheological energy absorbers (MREAs). In our previous work, the Herschel–Bulkley flow model (HB model) was used to describe the shear-thinning rheological behavior and establish the dynamic model of an HVLP MRF-based MREA with radial flow mode. However, as the established model was implicit, the MREA response time increased and the buffer effect was degraded. To improve the time response characteristics, an explicit dynamic model based on the HB model incorporating minor losses (called the E-HBM model) is proposed in this study. The model parameters were identified based on the HBM model. To verify the E-HBM model, five evaluation parameters for the energy absorption performance of the MREA, that is, peak force, mean force, crush force efficiency, specific energy absorption, and stroke efficiency, were introduced to compare the theoretical results with the experimental results obtained using a high-speed drop tower facility with a mass of 600 kg. Then, the relative error of the crush force efficiency, specific energy absorption, and stroke efficiency was quantitatively and comprehensively analyzed considering the E-HBM model and experimental results. The results indicate that the proposed E-HBM model agrees with the impact behavior of the radial flow mode MREA.
format	article
author	Benyuan Fu Xianming Zhang Zhuqiang Li Ruizhi Shu Changrong Liao
author_facet	Benyuan Fu Xianming Zhang Zhuqiang Li Ruizhi Shu Changrong Liao
author_sort	Benyuan Fu
title	A Dynamic Model and Parameter Identification of High Viscosity Magnetorheological Fluid-Based Energy Absorber with Radial Flow Mode
title_short	A Dynamic Model and Parameter Identification of High Viscosity Magnetorheological Fluid-Based Energy Absorber with Radial Flow Mode
title_full	A Dynamic Model and Parameter Identification of High Viscosity Magnetorheological Fluid-Based Energy Absorber with Radial Flow Mode
title_fullStr	A Dynamic Model and Parameter Identification of High Viscosity Magnetorheological Fluid-Based Energy Absorber with Radial Flow Mode
title_full_unstemmed	A Dynamic Model and Parameter Identification of High Viscosity Magnetorheological Fluid-Based Energy Absorber with Radial Flow Mode
title_sort	dynamic model and parameter identification of high viscosity magnetorheological fluid-based energy absorber with radial flow mode
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/2a138d27aabd4158821e54ea23cb9f11
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_version_	1718411064528338944

A Dynamic Model and Parameter Identification of High Viscosity Magnetorheological Fluid-Based Energy Absorber with Radial Flow Mode

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