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Topic: Capillary number

Related Topics

Dimensionless number

Weissenberg number

Power number

Deborah number

Pressure coefficient

Reynolds number

Galileo thermometer

Buckingham Pi theorem

Immiscible

Physical chemistry

Drag coefficient

HSAB concept

1943 in architecture

Orange (fruit)

	Dimensionless number - Wikipedia, the free encyclopedia
		Such a number is typically defined as a product or ratio of quantities which do have units, in such a way that all units cancel.
		Dimensionless numbers are widely used in the fields of mathematics, physics, and engineering but also in everyday life.
		The power consumption of a stirrer with a particular geometry is a function of the density and the viscosity of the fluid to be stirred, the size of the stirrer given by its diameter, and the speed of the stirrer.
	en.wikipedia.org /wiki/Dimensionless_number (758 words)

	[No title]
		The scaling ratio of 9.5 to 4.75 suggests that the capillary portion resisting the driving pressure was 10 to 21% and the viscous pressure drop was 79 to 90% of the driving pressure.
		The scaling ratio for the empirically determined capillary entry pressure for this media was 5.59, this suggests that 18% of the driving pressure was opposed by capillary effects and 82% of the driving pressure was opposed by viscous pressure drop.
		This net capillary entry pressure is the summation of the restricting capillary entry pressure at the front of the body and the promoting pressure due to the curvature of the interface in tension of the aft end of the NAPL body.
	members.aol.com /mercer43/rpsnn2.htm (16549 words)

	eLibrary Manuscript Preview Page (Site not responding. Last check: 2007-10-23)
		However, capillary numbers for entrapment of a given reduced residual oil saturation (ROS) were found to be slightly higher than those for entrapment of gas.
		Capillary numbers for mobilization of residual oil from bead packs were much higher than typical values for sandstones.
		Capillary numbers for mobilization from selected carbonate cores were much lower than for sandstones, however, showing that the correlation determined for sandstones is by no means general for consolidated rocks.
	www.spe.org /elibrary/servlet/spepreview?id=00014423 (700 words)

	Impaired Skin Capillary Recruitment in Essential Hypertension Is Caused by Both Functional and Structural Capillary ...
		Capillary density in 26 normotensive subjects (filled bars) and 26 hypertensive subjects (open bars) in the resting state, counted for 15 seconds and 3 minutes, and during postocclusive reactive hyperemia and venous congestion.
		Capillary recruitment is impaired in essential hypertension and relates to insulin’s metabolic and vascular actions.
		Nailfold capillary density in salt-sensitive and salt-resistant borderline hypertension.
	hyper.ahajournals.org /cgi/content/full/38/2/238 (3015 words)

	Multiple capillary biochemical analyzer with barrier member - Patent 5567294
		In the cuvette the capillaries are held on fixed closely spaced centers by passing through a sandwich construction having a pair of metal shims which squeeze between them a rubber gasket, forming a leak proof seal for an interior chamber in which the capillary ends are positioned.
		The capillary tubes 26 are arranged in a generally rectangular array, which in the example shown is an array of five tubes by five tubes.
		The capillary ends 24 are held in position in the chamber 34 in a leak-proof manner by a sandwich construction for the cuvette 22.
	www.freepatentsonline.com /5567294.html (4214 words)

	The Scaling Behavior of the Front Width
		The simulations were performed in the regime between fast and slow displacements and the injection rate was varied corresponding to six capillary numbers.
		The different capillary numbers and injection rates are listed in table 4.1.
		Hence, the front width for the lowest capillary number is plotted by using empty circles.
	www.fys.uio.no /~eaker/Master_thesis/node50.html (1010 words)

	Basics of Network Models
		If it is unstable (that is, the pore throat in which the interface resides is too large to support the imposed capillary pressure), the interface is advanced through the pore throat and the adjoining pore body (because pore bodies are required to be larger than adjoining pore throats).
		Given fluid distributions at each capillary pressure, resistance to flow may be calculated for each phase by assigning hydraulic resistances to each pore throat, based on an assumption of laminar flow in a tube, or Poiseuille flow.
		In the limit of low capillary number, the dynamic algorithm produces results analogous to those of invasion percolation [ Wilkinson and Willemson, 1983], which also corresponds to results from the quasi-static algorithm with sufficiently small capillary pressure steps.
	www.agu.org /revgeophys/celia01/node3.html (901 words)

	Reversal of Glomerular Lesions Involves Coordinated Restructuring of Glomerular Microvasculature -- Adamczak et al. 15 ...
		Four pairs of capillary lumina (A) on the look-up sections (to the left) connect with four single capillary lumina (C) seen on the sampled sections (to the right), forming so-called bridges.
		Individual values and means of the capillary number per glomerulus in the four experimental groups (for statistics, see Table 3).
		Nyengaard JR, Bendtsen TF, Gundersen HJ: Stereological estimation of the number of capillaries, exemplified by renal glomeruli.
	jasn.asnjournals.org /cgi/content/full/15/12/3063 (4813 words)

	Hydrodynamics of Micropipette Aspiration -- Drury and Dembo 76 (1): 110 -- Biophysical Journal
		In a, the final stages of aspiration, at low capillary number, progress through quasistatic equilibrium points, as was observed during the earlier stages.
		Furthermore, in all cases, the rate of aspiration varies with capillary number, and for the cases in a and b, the higher the capillary number, the greater the rate of aspiration.
		In c, for certain capillary numbers, the surface tension actually assists the droplet in entering the pipette by preventing excessive flattening, and thus the direct relationship of aspiration rate with pressure is not observed.
	www.biophysj.org /cgi/content/full/76/1/110 (5895 words)

	Fluid flow in porous media : facts
		The capillary pressure increases, and will in general be larger than the imbibition capillary pressure for the same saturation, as a result of the capillary hysteresis.
		However, it should be stressed that (i) these numbers capture only part of the shape of the curves and (ii) for the description of displacement processes, the complete relative permeability and capillary pressure curves are required, instead of a single wettability index.
		These numbers are dimensionless measures for the ratio of - viscous and capillary - and - gravitational and capillary - forces at the pore scale, respectively.
	www.jgmaas.com /scores/facts.html (2742 words)

	Increased capillarity in leg muscle of finches living at altitude -- Hepple et al. 85 (5): 1871 -- Journal of Applied ...
		The capillary anisotropy coefficient [c(K,0)] was estimated as described previously (13), and capillary length per fiber
		This was because of the greater number of capillaries
		Note higher capillary density in A (A and B) than in SL finches (C and D) at similar sarcomere lengths (2.43 and 2.45 µm, respectively).
	jap.physiology.org /cgi/content/full/85/5/1871 (3686 words)

	Nailfold capillary microscopy in healthy children and in childhood rheumatic diseases: a prospective single blind ...
		capillary disarrangement, and the number of abnormal vessels.
		and number of abnormal vessels) was undertaken by the observer
		Nailfold capillary abnormalities in childhood rheumatic diseases J Pediatr 1983;102:341–6.
	ard.bmjjournals.com /cgi/content/full/62/5/444 (3821 words)

	Exercise training in swine promotes growth of arteriolar bed and capillary angiogenesis in heart -- White et al. 85 ...
		the number of arterioles (20-30 µm) increased at 16 wk.
		First visible bar on left for both labeled capillaries as %total capillaries (CAP) and venules and arterioles (10- to 19-µm in diameter) labeled as %total venules and arterioles (VEN/ART) is for 1-wk animals.
		Morphometry of arteriole and capillaries in the heart of senescent mice.
	jap.physiology.org /cgi/content/full/85/3/1160 (6101 words)

	RIKEN Integrated Sequence Analysis (RISA) System---384-Format Sequencing Pipeline with 384 Multicapillary Sequencer -- ...
		When the number of capillaries is one, we can employ a static optical system to detect one capillary.
		As the number of capillaries increases, the number of pixels in
		The photograph of a capillary array assembler is shown in Figure 7A.
	www.genome.org /cgi/content/full/10/11/1757 (7467 words)

	Ganesh Narayanaswamy's thesis
		Careful comparisons of relative permeability data at various capillary numbers with a capillary trapping model show that these data can be matched with a simple two-parameter model.
		The relative permeability improvement obtained at high capillary numbers counteracts the PI reduction due to non-Darcy flow effects.
		The capillary number effect is often found to completely overshadow the two-phase non-Darcy effects.
	www.engr.utexas.edu /pge/theses98/ganesh.cfm (424 words)

	Kns
		Capillary Tech-Central is an extension of the KandS Bonding Tools capillary catalog, containing a full range of standard capillary part numbers.
		If you wish to configure a capillary based on your unique processes, please request a free CD of the Analyzer capillary configuration software.
		Capillary Central is linked to other information sources that deal with the technical aspects of wire bonding and alternative bonding solutions.
	www.kns.com /capcentral/default.asp (169 words)

	KCOM News
		Over the past few years he has used a number of traditional experimental methods in the lab to measure changes in the microcirculation of diabetic rats.
		Their preliminary PQ data shows a marked decrease in capillary oxygen levels in the diabetic muscle and a very poor matching of oxygen delivery to utilization.
		In addition to profound changes in the muscle capillary bed, they have found anatomical evidence of marked structural changes in the heart's capillary bed.
	www.kcom.edu /News/Archives/2001/sexton.htm (456 words)

	Capillary supply and gene expression of angiogenesis-related factors in murine skeletal muscle following denervation -- ...
		and was expressed as the number of capillaries per square millimeter.
		Capillary staining using alkaline phosphatase in control muscle (C) and in muscles 4 months after denervation (D).
		Effects of aging on capillary number and luminal size in rat soleus and plantaris muscles.
	ep.physoc.org /cgi/content/full/90/3/403 (3412 words)

	Theory and Calculation of High-Capillary Number Wetting (Site not responding. Last check: 2007-10-23)
		[JP.004] Theory and Calculation of High-Capillary Number Wetting
		I consider the displacement of a viscous gas by a liquid at sufficiently high capillary number so that the wetting contact angle can be considered to be 180 degrees.
		Stresses in the resulting air flow are considered theoretically, using a thin-film (lubrication) analysis.
	flux.aps.org /meetings/YR00/DFD00/abs/S1360004.html (92 words)

	Lauda Process Viscosity Systems Accessories
		Selecting an appropriate capillary is the most important consideration in any viscosity measurement.
		With manual systems, a capillary is chosen to achieve run times between 200 and 300 seconds and to eliminate effects of laminar flow and turbulence.
		These capillaries have an additional tube for complete aspiration of test solution and rinsing solvent from the capillary.
	www.brinkmann.com /products/ppm_viscosity_ac.asp (323 words)

	Endoneurial Capillary Abnormalities Presage Deterioration of Glucose Tolerance and Accompany Peripheral Neuropathy in ... (Site not responding. Last check: 2007-10-23)
		number per capillary were counted directly from each micrograph.
		A: Capillary density at baseline was higher in subjects with diabetes at follow-up compared with those with persistent NGT (P = 0.0200) and in those converting from IGT to diabetes compared with those with persistent IGT (P = 0.0433).
		capillary density may be compensatory for endoneurial hypoperfusion.
	diabetes.diabetesjournals.org /cgi/content/full/52/10/2615 (4326 words)

	Direct Evidence for Insulin-Induced Capillary Recruitment in Skin of Healthy Subjects During Physiological ...
		the number of capillaries in the resting state was counted during
		capillary densities are the mean of two measurements.
		capillary recruitment is associated with the number of capillaries
	diabetes.diabetesjournals.org /cgi/content/full/51/5/1515 (4855 words)

	Capillary Number (Site not responding. Last check: 2007-10-23)
		Capillary number is proportional to { (viscous force) / (surface tension force) } and is used in momentum transfer in general and atomization and 2-phase flow in beds of solids calculations in particular.
		It is normally defined in the following form :
		Use of this site indicates you accept the Terms of Use
	www.processassociates.com /process/dimen/dn_cap.htm (53 words)

	Capillary Number and Viscosity Ratio
		Next: The Movie of the Up: The Simulations Previous: The Simulations
		There are two dimensionless numbers that characterize the different properties of immiscible displacements in porous media, namely the capillary number
		denote the number of nodes along the row of inflow,
	folk.uio.no /eaker/thesis/node44.html (222 words)

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