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Article: Electrohydrodynamic pulsatile flow in a channel bounded by porous layer of smart material

TitleElectrohydrodynamic pulsatile flow in a channel bounded by porous layer of smart material
Authors
KeywordsDispersion
EHD
Porous layer
Pulsatile flow
Smart material
Issue Date2009
PublisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/ijengsci
Citation
International Journal Of Engineering Science, 2009, v. 47 n. 1, p. 103-115 How to Cite?
AbstractElectrohydrodynamic dispersion due to pulsatile flow in a channel bounded by porous layer of smart material is studied considering both steady and unsteady cases using both BJ and BJR-slip conditions. We found that in the case of steady flow, the dispersion coefficient, Ds * decreases with an increase in electric number We but increases with an increase in porous parameter σp in the case of BJ-slip condition. However this nature is different in the case of BJR-slip condition in the sense that the dispersion coefficient, Ds * increases for certain values of We and then decreases with an increase in We. In the case of unsteady flow, the dispersion coefficient, Du *, decreases with an increase in We and σp for both BJ and BJR conditions. In particular, we found that the value of Ds * for steady flow in the case of BJ-slip condition is less than that of unsteady flow. The opposite is true for BJR condition. The findings are useful in the design of robust and efficient artificial organs in the human body. © 2008.
Persistent Identifierhttp://hdl.handle.net/10722/59084
ISSN
2015 Impact Factor: 3.165
2015 SCImago Journal Rankings: 1.916
ISI Accession Number ID
Funding AgencyGrant Number
Department of Mechanical Engineering of the University of Hong Kong
Research Grants Council of the Hong Kong Special Administrative Region, ChinaHKU 7192/04E
ISRO10/2/300/3004
Funding Information:

This work was completed when one of us (NR) was visiting the Department of Mechanical Engineering of the University of Hong Kong in September, 2007. The project was financially supported by the Research Grants Council of the Hong Kong Special Administrative Region, China, through Project No. HKU 7192/04E. The work of NR and CN was also Supported by ISRO under the Respond Project No. 10/2/300/3004. We are indebted to the reviewer for his valuable cornments which improved our paper considerably.

References
Grants

 

DC FieldValueLanguage
dc.contributor.authorNg, COen_HK
dc.contributor.authorRudraiah, Nen_HK
dc.contributor.authorNagaraj, Cen_HK
dc.date.accessioned2010-05-31T03:42:36Z-
dc.date.available2010-05-31T03:42:36Z-
dc.date.issued2009en_HK
dc.identifier.citationInternational Journal Of Engineering Science, 2009, v. 47 n. 1, p. 103-115en_HK
dc.identifier.issn0020-7225en_HK
dc.identifier.urihttp://hdl.handle.net/10722/59084-
dc.description.abstractElectrohydrodynamic dispersion due to pulsatile flow in a channel bounded by porous layer of smart material is studied considering both steady and unsteady cases using both BJ and BJR-slip conditions. We found that in the case of steady flow, the dispersion coefficient, Ds * decreases with an increase in electric number We but increases with an increase in porous parameter σp in the case of BJ-slip condition. However this nature is different in the case of BJR-slip condition in the sense that the dispersion coefficient, Ds * increases for certain values of We and then decreases with an increase in We. In the case of unsteady flow, the dispersion coefficient, Du *, decreases with an increase in We and σp for both BJ and BJR conditions. In particular, we found that the value of Ds * for steady flow in the case of BJ-slip condition is less than that of unsteady flow. The opposite is true for BJR condition. The findings are useful in the design of robust and efficient artificial organs in the human body. © 2008.en_HK
dc.languageengen_HK
dc.publisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/ijengscien_HK
dc.relation.ispartofInternational Journal of Engineering Scienceen_HK
dc.rightsInternational Journal of Engineering Science. Copyright © Elsevier Inc.en_HK
dc.subjectDispersionen_HK
dc.subjectEHDen_HK
dc.subjectPorous layeren_HK
dc.subjectPulsatile flowen_HK
dc.subjectSmart materialen_HK
dc.titleElectrohydrodynamic pulsatile flow in a channel bounded by porous layer of smart materialen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0020-7225&volume=47&issue=1&spage=103–115&epage=&date=2009&atitle=Electrohydrodynamic+pulsatile+flow+in+a+channel+bounded+by+porous+layer+of+smart+materialen_HK
dc.identifier.emailNg, CO:cong@hku.hken_HK
dc.identifier.authorityNg, CO=rp00224en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.ijengsci.2008.07.007en_HK
dc.identifier.scopuseid_2-s2.0-57649087667en_HK
dc.identifier.hkuros154145en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-57649087667&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume47en_HK
dc.identifier.issue1en_HK
dc.identifier.spage103en_HK
dc.identifier.epage115en_HK
dc.identifier.isiWOS:000262766500008-
dc.publisher.placeUnited Statesen_HK
dc.relation.projectDispersion mechanisms in biomechanics of synovial joints and coronary artery diseases-
dc.identifier.scopusauthoridNg, CO=7401705594en_HK
dc.identifier.scopusauthoridRudraiah, N=7005972595en_HK
dc.identifier.scopusauthoridNagaraj, C=15848922500en_HK

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