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Topic: Bingham plastic

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Maxwell material

Viscosity

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	Unsteady fronts (Site not responding. Last check: 2007-11-03)
		Thin-layer theory is developed for Bingham plastic fluids; the specific case of a fluid flowing down an inclined plane is considered.
		In contrast to previous work it is indicated how the Bingham model leads directly to a self-consistent thin-layer theory; this does not rely upon adopting a bi--viscous approximation.
		The theory describes the fluid in terms of regions of fully plastic flow bounded by a ``fake'' yield surface.
	www.ma.ic.ac.uk /~rvcras/layer.html (96 words)

	A Perturbation Solution for Bingham-Plastic Mud Flows (Site not responding. Last check: 2007-11-03)
		Two-dimensional, unsteady, nonuniform, Bingham flows released from a point source or a source of finite size (dam-break problem or mudslide problem) on a steep slope are considered.
		Also, it found that the Bingham flow only propagates a finite distance downstream, with the shock depth asymptotically approaching the yield depth and the shock velocity asymptotically falling to zero.
		The hydrograph produced by a Bingham flow is seen to have a slower and lower flood peak and a longer and higher flow tail than that produced by Newtonian flow having the same dynamic viscosity.
	www.pubs.asce.org /WWWdisplay.cgi?9705349 (187 words)

	Facial Plastic Surgery Bingham Farms Michigan, MI (Site not responding. Last check: 2007-11-03)
		Find Bingham Farms plastic surgeons that specialize in facelift surgery, rhinoplasty, blepharoplasty and other facial plastic surgery procedures.
		Rhinoplasty, or surgery to reshape the nose, is one of the most common of all plastic surgery procedures.
		Eyelid surgery (technically called blepharoplasty) is a procedure to remove fat--usually along with excess skin and muscle from the upper and lower eyelids.
	facialplasticsurgery.lookingyourbest.com /cities/BinghamFarms (338 words)

	Breast Augmentation Bingham Farms Michigan Plastic Surgery
		Find a local Bingham Farms plastic surgeon or cosmetic surgeon that specializes in breast augmentation, tummy tuck surgery, liposuction, face lift surgery and other plastic surgery procedures in Bingham Farms.
		Liposuction in Bingham Farms or Suction Assisted Lipectomy (SAL) is a surgical technique in which the removal of fat deposits reshapes a specific part of the body, such as the face, neck, arms, abdomen, hips, or thighs.
		Tummy Tuck in Bingham Farms also known as Abdominoplasty, is a major surgical procedure to remove excess skin and fat from the middle and lower abdomen and to tighten the muscles of the abdominal wall.
	www.lookingyourbest.com /cities/BinghamFarms (466 words)

	Bingham High School \| Prospector Online (Site not responding. Last check: 2007-11-03)
		Although most students at Bingham High believe it is more acceptable for females than males to have plastic or cosmetic surgery, it is not uncommon for males to ‘go under the knife.' For proof, one need not look any further than Bingham senior Jessi Clark.
		This is one large difference between males and females when getting plastic or cosmetic surgery, and plays into male and female stereotypes.
		Plastic Surgery among teenagers is a growing epidemic.
	binghamminers.org /prospector/?a=show_article&article=178 (495 words)

	Plastic Curb/Valve Box
		The plastic curb and valve boxes manufactured at Bingham and Taylor are the product of extensive research and development.
		Bingham and Taylor is the only valve box manufacturer to offer this variety in both screw and slip style.
		The ABS plastic used in production of our curb and valve boxes is high impact and wear resistant.
	www.binghamandtaylor.com /plasticcurb.htm (196 words)

	Looking Your Best Plastic Surgeon Resource
		Most patients are in their forties to sixties, but facelifts can be done successfully on people in their seventies or eighties as well.
		Find Bingham Farms plastic surgeons that offer facelift surgery, rhinoplasty, blepharoplasty and more.
		Find plastic surgeons in Bingham Farms that specialize in face lift surgery, rhinoplasty and more.
	www.lookingyourbest.com /Facelift/cities/BinghamFarms (404 words)

	EarthRef.org Reference Database (ERR) -- Jiang & LeBlond 1993 (Site not responding. Last check: 2007-11-03)
		To study this problem, we present a numerical model that simulates the coupling of a Bingham plastic mudslide on a gentle uniform slope with the surface waves which it generates.
		A formulation of the dynamics of the problem is presented, where the landslide is treated as an incompressible Bingham plastic flow and the water motion is assumed irrotational.
		The Bingham plastic behavior of the mud significantly reduces the extent and the speed of the mudslide and also the magnitude of the surface waves generated.
	earthref.org /cgi-bin/err.cgi?n=48969 (373 words)

	Oilfield Glossary: Term 'yield point'
		A parameter of the Bingham plastic rheological model.
		(Plastic viscosity, PV, is the other parameter of the Bingham-plastic model.) A Bingham plastic fluid plots as a straight line on a shear-rate (x-axis) versus shear-stress (y-axis) plot, in which YP is the zero-shear-rate intercept.
		YP is lowered by adding deflocculant to a clay-based mud and increased by adding freshly dispersed clay or a flocculant, such as lime.
	www.glossary.oilfield.slb.com /Display.cfm?Term=yield%20point (177 words)

	[No title]
		The purpose of the present research is to gain a better understanding of the behavior of a Bingham fluid in the laminar boundary layer on a rotating disk.
		In the numerical investigations, the flow was characterized by the dimensionless yield stress “Bingham number”, By, which is the ratio of the yield and viscous stresses.
		One conclusion is that the key difference between the flow of a Bingham fluid in rotating equipment from that of a Newtonian fluid such as water relates to the yield surface introduced by the yield stress of the material, which causes an adverse effect on the performance and efficiency of such equipment.
	library.usask.ca /theses/available/etd-08172005-120844 (534 words)

	Guide to Rheological Nomenclature: Measurements in Ceramic Particulate Systems
		The Bingham relation is a two parameter model used for describing viscoplastic fluids exhibiting a yield response.
		The plastic viscosity region exhibits a linear relationship between shear stress and shear rate, with a constant differential viscosity equal to the plastic viscosity,
		This equation is of the same form as the Bingham relation, such that the exponent is ½ for a Casson plastic and 1 for a Bingham plastic.
	ciks.cbt.nist.gov /~garbocz/SP946/node8.htm (760 words)

	275
		This procedure does not directly measure the plastic bodies, but tight, consistent controls on the suspensions allow useful measurements applicable to the high-solids bodies to be made using commonly available rotational viscometers.
		It is a function of the plasticity of the solids, the degree of flocculation/deflocculation of the suspension and the solids content of the slip.
		Sufficient plasticity, for example, allows greenware to be assembled and trimmed over a long working time without the generation of cracks.
	www.ceramicbulletin.org /references/275.html (1817 words)

	Rheology, continued (Site not responding. Last check: 2007-11-03)
		BINGHAM PLASTICS: The Bingham body is an idealized material that is considered to have an internal structure that collapses above a yield stress ss
		Data taken at low shear rates might seem to be about linear and would pass through the origin as for a newtonian fluid.
		Note: the Pseudoplastic fluid curve need not signify any eventual linear relationship between ss and sn, as is the case for a Bingham Plasticfluid or a newtonian fluid.
	www.rpi.edu /dept/chem-eng/Biotech-Environ/RHEOS/rheos2.htm (418 words)

	Rheology of Sludges and the Positively Torque Limiting DBS Thickener Drive
		This means that the settled sludge is still being exposed to shear stress.
		If the sludge is Thixotropic, a Bingham Plastic or Pseudoplastic (as defined below), the applied shear force will cause a viscosity reduction.
		Bingham Plastic : A Bingham plastic exhibits near zero shear rate until a yield shear stress is reached, at which point shear rate starts to increase proportionally with shear stress.
	www.dbsmfg.com /rheology.html (622 words)

	Bingham plastic: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-11-03)
		Bingham plastic: Facts and details from Encyclopedia Topic
		A Bingham plastic is a material that behaves as a rigid body at low stresses but flows as a viscous viscosity quick summary:
		Viscosity is a measure of the resistance of a fluid to deformation under shear stress....
	www.absoluteastronomy.com /encyclopedia/b/bi/bingham_plastic.htm (601 words)

	Conference Abstract #41 (Site not responding. Last check: 2007-11-03)
		We experimentally validate nonlinear quasi-steady electrorheological (ER) and magnetorheological (MR) damper models, using an idealized Bingham plastic shear flow mechanism, for the flow mode of damper operation.
		Three nondimensional groups are used for damper analysis, namely, the Bingham number, the nondimensional plug thickness, and the area coefficient defined as the ratio of the piston head area, to the cross-sectional area of the annular bypass.
		In the flow mode case, the damping coefficient, which is defined as the ratio of equivalent viscous damping of the Bingham plastic material, to the Newtonian viscous damping, is a function of the nondimensional plug thickness only.
	www.enae.umd.edu /AGRC/faculty/Wereley/published/Abstracts/confabstract41.htm (251 words)

	[No title] (Site not responding. Last check: 2007-11-03)
		Bingham flows transmit shear stress without a velocity gradient, but in order to start the flow of a Bingham plastic, the given shear stress acting on the fluid must exceed the yield stress of the fluid. A graph of this behavior can be seen in Figure 1.
		Part II — Experimental Bingham Data The primary experimental source for this study is Steady Bingham fluid flow in cylindrical pipes: a time dependent approach to the iterative solution by J.W. He and R. Glowinski.
		This is probably due in part to differences in Bingham Plastics modeled and partially due to the error in theoretical approximation.
	www.nd.edu /~phertzke/Fluids/Fluids.doc (2333 words)

	Motorcycle Plastic Model - Discover it on Toy-Paradise.com (Site not responding. Last check: 2007-11-03)
		Welcome to Plastic Model EngineeringPlastic Model Engineering, Inc. is a custom plastic injection molder and mold manufacturer located in the Inland Northwest.
		Plastic -Models.com (Tower Hobbies) Comprehensive selection of plastic model cars, airplanes and ships at discount prices.
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	www.toy-paradise.com /motorcycle/model-plastic/e20i2591.html (392 words)

	Oilfield Glossary: Term 'Bingham plastic model'
		Fluids obeying this model are called Bingham plastic fluids and exhibit a linear shear-stress, shear-rate behavior after an initial shear-stress threshold has been reached.
		PV is the slope of the line and YP is the threshold stress.
		The direct-indicating rotational rheometer was specifically designed to apply the Bingham plastic fluid model.
	www.glossary.oilfield.slb.com /Display.cfm?Term=Bingham%20plastic%20model (172 words)

	Analysis and testing of Bingham plastic behavior in semi-active electrorheological fluid dampers
		Our objective is the development and experimental validation of quasi-steady dashpot damper models, based on an idealized nonlinear Bingham plastic shear flow mechanism, for purposes of preliminary design and performance predictions.
		The data required for the Bingham plastic model is normally supplied by ER fluid suppliers, that is, plastic viscosity and dynamic yield stress as a function of applied field, as determined from a shear stress versus shear strain rate diagram.
		The idealized Bingham plastic shear flow mechanism predicts that three annular flow regions develop as a function of the local shear stress.
	stacks.iop.org /0964-1726/5/576 (457 words)

	Bingham Plastic Pipe Integration at Pipe plastic (Site not responding. Last check: 2007-11-03)
		At best, toothpaste is a Bingham plastic; at worst, some bizarre...
		1993 Macroscopic Conductivities for Flow of Bingham Plastics in...
		The assembly is inspected and then heated and cured until the monomer solidifies into a plastic...
	www.rxpays.net /pipe-plastic/bingham-plastic-pipe-integration.php (112 words)

	Quasi-steady Bingham plastic analysis of an electrorheological flow mode bypass damper with piston bleed
		Quasi-steady Bingham plastic analysis of an electrorheological flow mode bypass damper with piston bleed
		Measured force verses displacement cycles for multiple frequencies and electric fields validate the ability of the non-dimensional groups and the leakage damping coefficient to predict the damping levels for an ER bypass damper with leakage.
		Based on the experimental validation of the model using these data, the Bingham plastic analysis is shown to be an effective tool for the analysis-based design of double-acting ER bypass dampers.
	stacks.iop.org /0964-1726/12/305 (446 words)

	scrap plastic - commerce (Site not responding. Last check: 2007-11-03)
		Plastic lumber made 100% recycled like milk and manufacturing Product is addiction of surgery glass-reinforced plastic surgery plastic explosives c-4 explosives c4 explosive plastic domes bingham plastic surgery addiction services of plastic scrap.
		Equipment will convert plastic scrap into plastic lumber and axl rose of celluloid and sells scrap plastic, rubber and plastic model airplanes c4 explosives prime and scrap plastic resins, recycling variety of resins.
		Utilizing scrap plastic which is addiction to surgery glass reinforced c-4 explosive and manufacturing raw material, recycling and scrap plastic.
	scrap-plastic.commerce.dyndns.org (238 words)

	Guide to Rheological Nomenclature: Measurements in Ceramic Particulate Systems
		Bingham plastic (ideal) Obeys the Bingham relation ideally.
		Bingham plastic (non-ideal) Above the apparent yield stress the coefficient of viscosity decreases continuously, while the differential viscosity approaches a constant value with increasing shear rate.
		The differential viscosity in the linear region in termed the plastic viscosity
	ciks.cbt.nist.gov /~garbocz/SP946/node7.htm (276 words)

	Additional Homework Problems - Chapter 13 (Site not responding. Last check: 2007-11-03)
		Consider one such fluid, a Bingham plastic in laminar flow in a tubular reactor.
		For laminar flow of a Bingham plastic in a cylindrical tube, the shear
		(a) Derive equations for E(t) and F(t) for a Bingham plastic flowing in a straight cylindrical reactor.
	www.engin.umich.edu /~cre/13chap/html/cdp13-cb.htm (93 words)

	Ocean 540: lec99-2
		We say a fluid is Newtonian when the viscosity as defined by the proportionality in Eq 34-6 is a constant.
		Other materials may resist deformation until a critical stress is reached, for example a so-called Bingham plastic which does not deform until a yield strength is exceeded after which it deforms linearly with increasing stress.
		Pseudo-plastic materials follow a path intermediate to a Newtonian fluid and a Bingham plastic.
	www2.ocean.washington.edu /oc540/lec01-34 (631 words)

	ASABE Technical Library :: Abstract
		The main objective of this research was to characterize the soil as a visco-plastic material to determine soil flow pattern around the tool.
		Soil deformations, as the flow of a visco-plastic material with yield stress, were observed to possess “plastic flow” and “plug flow” patterns.
		For a tool speed of 6 m s-1, with a vertical tool of 20 mm thick and 50 mm wide, operating at 100 mm depth, the soil failure front was observed to be 160 mm at a depth of 10 mm below the top soil surface.
	asae.frymulti.com /abstract.asp?aid=18497&t=1 (389 words)

	Quasi-steady Bingham Biplastic Analysis of Electrorheological and Magnetorheological Dampers -- Dimock et al. 13 (9): ...
		Quasi-steady Bingham Biplastic Analysis of Electrorheological and Magnetorheological Dampers -- Dimock et al.
		Quasi-steady Bingham Biplastic Analysis of Electrorheological and Magnetorheological Dampers
		A comparison is made between Bingham plastic and Bingham biplastic
	jim.sagepub.com /cgi/content/abstract/13/9/549 (297 words)

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