
	Where results make sense

Topic: Potential flow in 2d

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	Flow cytometry - Wikipedia, the free encyclopedia
		Flow cytometry is a technique for counting, examining and sorting microscopic particles suspended in a stream of fluid.
		A flow cytometer is similar to a microscope, except high-throughput automated quantification of the set parameters for high number of single cells during each analysis session.
		Modern instruments have multiple lasers and fluorescent detectors (the current record for a commercial instrument is 4 lasers and 18 fluorescence detectors) allowing multiple antibody labelling to be used to more precisely specify a target population by their phenotype.
	en.wikipedia.org /wiki/Flow_cytometry (755 words)

	Titan 2D Model
		The flow vectors in Figure 4 show that the plasma flow is diverted around Titan without the presence of a bow shock.
		The magnetic field strength is enhanced in the slow flow region (Figure 7a), which thus acts as an obstacle to the external magnetospheric flow.
		The flow near the main ionospheric peak is essentially one-dimensional, which supports the applicability of 1-D models such as Keller et al.
	www.ku.edu /~kuspace/cassini/2D-model/2d-results.html (955 words)

	Strand7 Web notes (Site not responding. Last check: 2007-10-18)
		Potential flow analysis is only useful where viscous effects are negligible and where the flow is inertia dominated.
		The method is generally limited to modelling flow in the presence of a favourable pressure gradient where separation and transition to turbulent flow are unlikely to occur.
		For incompressible flow the stream function is a measure of the volume of fluid that is flowing between two streamlines.
	www.strand.aust.com /html/Webnotes/Flow.htm (2572 words)

	Dionisios Margetis (Site not responding. Last check: 2007-10-18)
		The simplest nontrivial problem in advection-diffusion involves a finite absorber of arbitrary cross section in a steady two-dimensional (2D) potential flow of concentrated fluid.
		The corresponding, ``classical'' boundary-value problem arises in different physical contexts, and has been studied in the theory of solidification from a flowing melt and of Advection-Diffusion-Limited Aggregation (ADLA), which is a discrete model describing the growth of fractal aggregates in a fluid flow via a stochastic conformal map.
		In ADLA the quantity of interest is the particle flux to a circular disk, which is obtained via conformal mapping from more complicated shapes, as a function of the local coordinate of the boundary and of a parameter, the Peclet number (Pe), which measures the relative strength of advection compared to diffusion.
	www-math.mit.edu /~dio/advection.html (227 words)

	Basal heat flow
		From the point of view of modeling the long-term thermal consequences of basin formation, the value of the mantle heat flow is crucial because, along with the upper mantle thermal conductivity, it determines the steady state thermal gradient at the Moho.
		There will always be a rotation such that regressions of observed data yield a y-intercept that overestimates the 1-d reduced heat flow and the slope underestimate the thickness/length-scale of the layer responsible for the observed variation.
		It is clear that the majopr controls are the width of the basin, and (as Hansen reports) the density and the conductivity of the basin fill.
	jaeger.earthsci.unimelb.edu.au /msandifo/Essays/Hansen/Hansen.html (1352 words)

	Modélisation et Simulation des Ecoulements de Convection Naturelle avec Grands Ecarts de Température : un ...
		The first objective is to assess the capability of numerical solvers for compressible flows to deal with near incompressible flows.
		The aim is to demostrate the capabilities of the numerical solver to simulate flows in presence of cavitation, and, in particular, to deal with nearly incompressible regions together with highly supersonic ones.
		As stated in the Introduction, for test-case 1 (non-cavitating flow) the viscous effects are not expected to be important; thus an inviscid compressible flow model is recommended.
	homepage.sns.it /beux/LOMA2004/hydrofoil.html (793 words)

	Flow control (Site not responding. Last check: 2007-10-18)
		The reason for this is that the flow sensitivities are very large at surfaces of discontinuity of the flow, and thus those discontinuities dominate the early part of the iteration.
		The flow sensitivity equations are derived by differentiating the flow equations with respect to a parameter.
		Flow control and optimization is an ancient practice o man. For example, any dam, sluice, canal, levee, irrigation ditch, valve, duct, pipe, pump, hose, vane, etc., is an exercise in flow control or optimization, i.e., an attempt to control the mechanical and/or thermodynamical state of a fluid in order to achieve a desired purpose.
	orion.math.iastate.edu /gunzburg/control.html (12201 words)

	Parallel Lattice Boltzmann Method for 2D Cavity Flow Problem
		Satofuka and Nishioka [9] indicated that 2D decomposition is not superior to 1D decomposition for this particular problem.
		Since the 2D cavity flow is driven by a moving lid at the upper wall, the domain is split into several horizontal slices.
		The results of 2D cavity flow at a Reynolds number of 1000 on a 513´513 grid are compared with the benchmark data of Ghia et al.
	www.cs.uiowa.edu /~jni/projects/lbm/para_2dcaveflowSC2003e.htm (3050 words)

	Flow Visualization
		Flow visualization is concerned with displaying features and behaviors of fluid flow.
		The features may be phenomenological (that is, empirical, observable, perceptual) manifestations of the underlying equations governing the flow, and their definitions are not based on simple principles like "conservation of mass".
		If flow visualization is to be considered as sampling the foliation induced by a section of a vector bundle on a manifold, this book is a good place to get a sense of what all that means.
	www.cs.fsu.edu /~banks/talks/1999/vis99/references.html (1968 words)

	136 Wn.2d 946, PHILLIPS v. KING COUNTY
		The sheet flow spreaders located in the county right-of-way are drainage ditches consisting of long trenches several feet deep filled with rock with a perforated pipe along the bottom.
		He stated that approximately 25 percent of the Phillips' land west of their house had standing or flowing water of an inch to two feet deep and that there was standing water right up to his driveway and flowing water within 20 feet of the Phillips' house.
		Leytham concluded that the detention pond did not function as intended; that the development has resulted in substantially increasing flows onto the Phillips' property; and that at least certain portions of the storm drainage system on the property probably were designed incorrectly.
	www.mrsc.org /mc/courts/supreme/136wn2d/136wn2d0946.htm (6965 words)

	3D flow in centrifugal and mixed-flow pumps.
		The prediction of the flow in such equipment is very complicated due to the three-dimensionality of the flow and the highly curved passages in rotating impellers.
		Many investigators have presented numerical methods for computing the potential flow inside a rotor channel in two or three dimensions, and in complete rotor-stator configurations in two dimensions.
		In order to impose the Kutta condition of smooth flow at the blades' trailing edges they either superimpose a number of subpotentials (reflecting unit flowrate, unit rotation and line vortices of unit strength, shed from points at the trailing edges) or determine the (varying) circulations iteratively.
	www.wtb.tue.nl /woc/ptc/turmach/pumpflow.html (1335 words)

	Cullen College of Engineering - MECE Courses
		Computation of boundary layers in laminar and turbulent flow for compressible and incompressible fluids; exact and approximate methods; stability of boundary layer flow.
		Stability of parallel and nonparallel bounded and free shear flows using analytical and numerical techniques.
		Two- and three-dimensional potential flows with application to various hydro- and aerodynamic shapes, including bluff bodies and airfoils.
	www.uh.edu /grad_catalog/egr/mece_courses.html (1202 words)

	[No title]
		Quartz 2D running in software using the CPU has to write to the backing store in RAM, then that backing store has to be moved to the video card where the Quartz Compositor can put it into the final scene.
		Quartz 2D was notoriously slow at drawing lines in Panther and earlier versions of Mac OS X, so much so that developers often chose to use (or in most cases, "stick with") QuickDraw for such tasks.
		Prior to Quartz 2D Extreme, keeping references to large pieces of data around long after the things they refer to have been used was usually considered a waste of memory for no significant performance gain.
	arstechnica.com /reviews/os/macosx-10.4.ars/14 (3078 words)

	[No title]
		The porous media flow uses a potential formulation, and we apply this model to groundwater management.
		The ideal fluid flow model uses a stream function formulation, and we apply it to flow around an obstacle.{\b \par }\pard {\b \par }\pard \qj\sl360 {\b 3.5.2.\tab Applied Area.\tab } In both applications we will assume the velocity of the fluid has the form (u(x,y), v(x,y), 0).
		The problem is to determine the flow rates of well(s), location of well(s) and number of wells so that there is still water to be pumped out.
	www4.ncsu.edu /eos/users/w/white/www/white/dir3.5/uces3.5.rtf (887 words)

	UCES Methods and Analysis Chap. 3.5: Fluid Flow in 2D
		We present two fluid flow models in 2D: flow in a porous media and ideal fluids.
		Ideal 2D steady state fluid flow is defined to be incompressible and irrotational.
		For our present fluid flow problems, they are either a given function along part of the boundary, or they are a zero derivative for the remainder of the boundary.
	www.krellinst.org /UCES/archive/classes/CNA/dir3.5/uces3.5.html (1340 words)

	Likelihood of Release, Superfund, US EPA
		Evaluate potential to release based in two parts: potential to release by overland flow and potential to release by flood.
		Both are evaluated under potential to release and the HRS values for the two components are summed to obtain the potential to release factor value.
		PR by overland flow and PR by flood will be added to derive the PR by overland flow/flood (because a single source may both leak and be periodically flooded).
	www.epa.gov /superfund/resources/hrstrain/htmain/11likeli.htm (1758 words)

	Advanced Fluid Dynamics: Course 2.25: Section 10 (Site not responding. Last check: 2007-10-18)
		Incompressible potential flows as solutions of Laplace's equation for the velocity potential with ∂f/∂n specified at the boundaries (the "Neumann problem").
		Comparision with experimental data at high Reynolds number, where the flow might be expected to be reasonably "inviscid." Discussion of the pitfalls of potential flow theory.
		Three properties of ideal potential flows around 2D bodies in an infinite stream: (a) The nonexistence of drag (D'Alembert's paradox), (b) the relation between lift and circulation around the body (Kutta-Joukowsky theorem), and (c) the indeterminacy of the circulation in 2D potential flow theory.
	web.mit.edu /~2.25/www/225_sect_10.html (277 words)

	AC-9C Aircraft Icing Codes (Site not responding. Last check: 2007-10-18)
		Analyzes a user defined 2D goemetry using a panel method potential flow solver.
		A 2D potential flow ice accretion prediction code applicable to single element airfoils.
		A 2D panel method for calculation of droplet trajectories about each element of a multi-aerofoil combination and of the corresponding ice accretion shapes.
	icebox-esn.grc.nasa.gov /ac9c (233 words)

	Titan 2D Model
		The plasma flow is subsonic, although superAlfvenic, and a bow shock does not appear in the model results.
		Plasma flow speed versus radial distance for the ram direction (dashed line) and for the flank direction (solid line).
		Note that the lower boundary condition for our 2D model was zero magnetic field gradient, whereas for the Keller and Cravens model shown it was zero magnetic field.
	www.ku.edu /~kuspace/cassini/2D-model/2d-abstract.html (726 words)

	Fluid Dynamics I
		Using the circle theorem write down the complex potential for the entire flow field, and determine by differentiation the complex velocity.
		Sketch the positions of the vortices and all vortex singularities within the cylinder, indicating their strengths.
		Using the method of Blasius (see Milne-Thomson), show that the moment of a body in 2D potential flow, about the axis perpendicular to the plane, is given by
	www.math.nyu.edu /faculty/childres/fd5.html (439 words)

	Wolfson Unit MTIA - CFD
		X Foil — a 2D potential flow code for analysing lifting bodies that incorporates a fully coupled viscous/inviscid interaction, allowing the calculation of flow transition, separation and boundary layer growth.
		This program can be used interactively to develop a foil for a given design case, or to provide quick and accurate indication of the forces developed by a surface.
		However due to the complex nature of the mathematically solver and the large computational resources required it is strongly recommended that this code is used only for detailed design, such as bulb shape, or keel hull join.
	www.wumtia.soton.ac.uk /cfd.html (578 words)

	Titan 2D Model (Site not responding. Last check: 2007-10-18)
		This is the region where mass-loading, ion-neutral drag, and ionospheric thermal pressure strongly influence the flow.
		A qualitative description of the subsonic plasma flow around Titan is provided by a two-dimensional incompressible, "potential" flow model with an obstacle size of ~ 2 R
		However, horizontal flow effects not included in the one-dimensional models become important for altitudes greater than this.
	www.ku.edu /~kuspace/cassini/2D-model/2d-conclusions.html (499 words)

	Flow Charts Software
		Allows you to create flow charts, vector drawings, raster images and more with the ability to include hyperlinks and various shading and coloring effects.
		Imagine something beautiful from rising smoke, clouds and mist to the flow of rivers and oceans - the fluid flows are everywhere.
		Discounted Cash Flow Analysis Calculator helps you with capital budgeting by simultaneously evaluating the cash flow series of 14 projects against 5 different discount rates per project.
	www.programurl.com /software/flow-charts4.htm (1179 words)

	Faculty of Engineering - Undergraduate Course Details (Site not responding. Last check: 2007-10-18)
		Potential flow: 2D irrotational flow; singularities; conformal transformations and mapping.
		Open channel flow: specific energy; flow force concepts; resistance equation; uniform flow, non-uniform flow.
		Euler's equation of motion, two-dimensional irrotational motion, superposition of plane flows, circle theorem, Blasius theorem, application of conformal transformation; aerofoil theory.
	www.pdn.ac.lk /eng/programmes/undergraduate/subj3.html (1700 words)

	Use of 2D Hydrodynamic Model for Stream Restoration Design of High-Flow Habitat in Low-Gradient Midwest Streams (Site not responding. Last check: 2007-10-18)
		River2D, a two-dimensional hydrodynamic model, was used to illustrate its potential as a restoration design tool for high-flow habitat in low-gradient Midwest streams.
		HRZs form by flow deflection at sharp bends and instream structures (deflection eddy), or result from abrupt expansion of the channel width (expansion eddy).
		River2D was then used to demonstrate it’s utility as a restoration design tool in a channelized straight reach by modeling the change in local hydraulics associated with two channel modifications.
	www.pubs.asce.org /WWWdisplay.cgi?0401023 (280 words)

	Peter Steffler - Technical Publications
		discussion of "Estimation of mean flow velocity in ice-covered channels" by M.
		discussion of "Potential-flow solution to 2D transition from mild to steep slope" by J.S. Montes.
		"Flow near a sloped bank in a curved channel" Journal of Hydraulic Engineering, ASCE, Vol.
	www.civil.ualberta.ca /water/staff/STEFFLER/PAPERS.HTM (863 words)

	The growth behavior of Ni on Ag(111), in particular the transition from step flow to threedimensional island growth, ...
		At potentials slightly more negative than the onset of Ni deposition monolayer Ni islands nucleate at ascending Ag steps (Fig 1a inset), followed by step flow growth onto the lower Ag terrace (Fig.
		After decreasing the potential to –0.73 V nucleation and lateral growth of small Ni monolayer islands commences at the lower edge of the Ag steps (Fig.
		In summary, we have found a novel effect, the potential controlled transition from 2D step-flow to selective nucleation and growth of 3D islands at steps to 3D growth at steps and on terraces for Ni electrodeposition on Ag(111).
	www.chem.yorku.ca /profs/morin/PAPERS/webversion.htm (2172 words)

	fikouras_2d
		This development will be assisted by the rise of new mobile devices capable of maintaining various access interfaces that will allow simultaneous connectivity over a range of providers and technologies.
		Internally, such devices will be able to distinguish between networks with individual properties and intelligently determine on a per flow basis, the most appropriate network.
		In environments with the potential for true global user centred mobility, communication services will further approach users providing solutions to problems of every day life.
	broadband02.ici.ro /program/fikouras_2d.html (781 words)

	Yusa Example (Geothermal Flow) (Site not responding. Last check: 2007-10-18)
		Yusa proposed a hypothetical set-up of a geothermal reservoir in order to study the transient development of flow patterns.
		The shown model area represents a 2D cross-section through a water filled porous medium.
		The rise towards the top is hindered by a strong potential flow which is prescribed by the boundary condition at the upper model edge.
	www.igb-berlin.de /abt1/mitarbeiter/penner/Galery/yusa3.htm (132 words)

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