ENTRY AND EXIT FLOWS OF BINGHAM FLUIDS

ABDALI, SS; MITSOULIS, E; MARKATOS, NC

dc.contributor.author	ABDALI, SS	en
dc.contributor.author	MITSOULIS, E	en
dc.contributor.author	MARKATOS, NC	en
dc.date.accessioned	2014-03-01T01:08:47Z
dc.date.available	2014-03-01T01:08:47Z
dc.date.issued	1992	en
dc.identifier.issn	0148-6055	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/10691
dc.subject	Entry and Exit	en
dc.subject.classification	Mechanics	en
dc.subject.other	NUMERICAL-SIMULATION	en
dc.subject.other	EXTRUDATE SWELL	en
dc.subject.other	PLASTIC LIQUIDS	en
dc.subject.other	YIELD STRESS	en
dc.title	ENTRY AND EXIT FLOWS OF BINGHAM FLUIDS	en
heal.type	journalArticle	en
heal.identifier.primary	10.1122/1.550350	en
heal.identifier.secondary	http://dx.doi.org/10.1122/1.550350	en
heal.language	English	en
heal.publicationDate	1992	en
heal.abstract	Entry and exit flows through extrusion dies are studied numerically for Bingham fluids exhibiting a yield stress. A constitutive equation proposed by Papanastasiou is used, which applies everywhere in the flow field in both yielded and practically unyielded regions. The emphasis is on determining the extent and shape of unyielded/yielded regions along with the extrudate swell (contraction) for planar and axisymmetric dies. The results for pressure are used to determine the excess pressure losses that give rise to entrance, exit, and the total end (or Bagley) correction.	en
heal.publisher	AMER INST PHYSICS	en
heal.journalName	JOURNAL OF RHEOLOGY	en
dc.identifier.doi	10.1122/1.550350	en
dc.identifier.isi	ISI:A1992HC58500008	en
dc.identifier.volume	36	en
dc.identifier.issue	2	en
dc.identifier.spage	389	en
dc.identifier.epage	407	en