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Entry flow in a curved pipe Journal of Fluid Mechanics

(pipe) (PDF) Computational study of turbulent flow in pipe bends

flows, Journal of Fluid Mechanics, vol. 379, pp.1-22, 1999. Entry flow in a curved pipe Journal of Fluid Mechanics the study of turbulent flow through curved pipe also involved the interest of the scientists [12][13][14][15] [16] [17]. At the Entry flow in a curved pipe Journal of Fluid Mechanics (pipe) (PDF) ENTRANCE FLOW THROUGH ROTATING CURVED PIPE (steel) Entry flow of a viscous incompressible fluid through a rotating curved pipe of circular cross-section has been considered. The flow is driven by pressure.

(PDF) Effect of Curvature on Entry Flow Through a Rotating Entry flow in a curved pipe Journal of Fluid Mechanics

Entry flow of a viscous incompressible fluid through a rotating curved pipe of circular cross-section has been considered. The flow is driven by pressure.(pipe) A Numerical Study of MHD Laminar Flow in a Rotating (steel) The incompressible viscous steady flow through a rotating curved pipe of circular cross-section with magnetic field is investigated numerically to examine the combined effects of rotation (Coriolis force), magnetic field and curvature (centrifugal force) on the flow. The curvature of the pipe has been assumed to be small, that is, the radius of the circle in which the central line of the pipe Entry flow in a curved pipe Journal of Fluid Mechanics (pipe) A numerical investigation of developing flow in an Entry flow in a curved pipe Journal of Fluid Mechanics (steel) May 01, 20121. Introduction. Curved pipes have many applications in different science fields such as bio-fluid mechanics especially the blood flow in the catheterized artery, piping systems, cooling systems of rotating electrical machinery, lubrication systems, aerospace industries, chemical mixing or drying machinery, chemical reactors, chromatography columns, and other processing equipment.

Asymptotic Analysis of the Curved-Pipe Flow with a Entry flow in a curved pipe Journal of Fluid Mechanics

Curved-pipe flows have been the subject of many theoretical investigations due to their importance in various applications. The goal of this paper is to study the flow of incompressible fluid with a pressure-dependent viscosity through a curved pipe with an arbitrary central curve and constant circular cross section. The viscosity-pressure dependence is described by the well-known Barus law Entry flow in a curved pipe Journal of Fluid Mechanics (pipe) Bifurcation diagram for two-dimensional steady flow and Entry flow in a curved pipe Journal of Fluid Mechanics (steel) Mar 06, 2009"Fluid Dynamics Research" is a well-established international journal of Fluid Mechanics, published six times per year by IOPP (Institute of Physics Publishing) on behalf of the JSFM since 2009. Bifurcation diagram for two-dimensional steady flow and unsteady solutions in a curved (pipe) Calculation of Unsteady Flows in Curved Pipes Journal of Entry flow in a curved pipe Journal of Fluid Mechanics (steel) Jun 06, 2001Numerical flow simulations for oscillating flow cycles show that the curved pipe flows have a significant inviscid-like nature at high values of the frequency parameter. The shape of the velocity profiles is strongly influenced by the frequency parameter, whereas the influence of variations on the pipe cross-sectional area is shown to be rather Entry flow in a curved pipe Journal of Fluid Mechanics

Cited by 112Publish Year 1984Author W. Y. Soh, S. A. BergerEntry flow in a curved pipe - NASA/ADS

adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A(pipe) Cited by 130Publish Year 1974Author M. P. SinghEntry flow in a curved pipe - NASA/ADS(steel) Jan 01, 1975Previous work on fully developed flow in curved pipes and on entry flow in straight pipes or channels are also reviewed briefly. The ratio of the entry lengths of the curved pipe and the corresponding straight one is shown to be proportional to one over the square root of the nondimensional parameter D (on which the dynamical similarity of the fully developed flow depends, as demonstrated (pipe) Cited by 131Publish Year 1987Author Phm Peter Bovendeerd, van Aa Anton Steenhoven, van de Fn Frans Vosse, G Gerrit VossersClassification of Pulsating Flow Patterns in Curved Pipes Entry flow in a curved pipe Journal of Fluid Mechanics (steel) The fully developed periodic laminar flow of incompressible Newtonian fluids through a pipe of circular cross section, which is coiled in a circle, was simulated numerically. The flow patterns are characterized by three parameters the Womersley number Wo, the Dean number De, and the amplitude ratio .

Cited by 131Publish Year 1987Author Phm Peter Bovendeerd, van Aa Anton Steenhoven, van de Fn Frans Vosse, G Gerrit VossersLaminar entrance flow in a curved pipe Journal of Fluid Entry flow in a curved pipe Journal of Fluid Mechanics

Apr 20, 2006Abstract. The full elliptic NavierStokes equations have been solved for entrance flow into a curved pipe using the artificial compressibility technique developed by Chorin (1967). The problem is formulated for arbitrary values of the curvature ratio and the Dean number.(pipe) Cited by 131Publish Year 1987Author Phm Peter Bovendeerd, van Aa Anton Steenhoven, van de Fn Frans Vosse, G Gerrit VossersOn entry-flow effects in bifurcating, blocked or Entry flow in a curved pipe Journal of Fluid Mechanics (steel) The paper is concerned mainly with the various effects of practically uniform entry conditions on the flow through an indented or branching tube on the assumptions of an incompressible fluid, steady and laminar flow, and a large characteristic Reynolds number. Indentation compatible with triple-deck theory is considered. The position and scale of such an indentation which give rise to the Entry flow in a curved pipe Journal of Fluid Mechanics (pipe) Cited by 153Publish Year 1975Author L.-S. Yao, S. A. BergerEntry and exit flows in curved pipes Journal of Fluid Entry flow in a curved pipe Journal of Fluid Mechanics (steel) Deans work identified the presence of counter-rotating vortices in the fully developed flow in a curved pipe and has since inspired much research related to curved channels, including studies of the entry flow, unsteady laminar flows, flows in finite bends, channels with variable cross-sections, turbulent flows, the flow of non-Newtonian fluids, multiphase flows, mass transfer, fluidparticle mixtures, and many

Cited by 153Publish Year 1975Author L.-S. Yao, S. A. BergerUnsteady viscous flow in a curved pipe Journal of Fluid Entry flow in a curved pipe Journal of Fluid Mechanics

Mar 29, 2006Abstract. The flow in a pipe of circular cross-section which is coiled in a circle is studied, the pressure gradient along the pipe varying sinusoidally in time with frequency . The radius of the pipe a is assumed small in relation to the radius of curvature of its axis R. Of special interest is the secondary flow generated by centrifugal effects in the plane of the cross-section of the pipe, and an asymptotic (pipe) Cited by 284Publish Year 1971Author W. H. Lyne(PDF) Entry Flow in Curved Channels(steel) Entry Flow in Curved Channels. Entry flow in a curved pipe Journal of Fluid Mechanics (0.1) Matched asymptotic expansion solution to the developing flow in a curved pipe Entry flow in a curved pipe Journal of Fluid Mechanics April 1993 Journal of Fluid Mechanics.(pipe) Cited by 2Publish Year 2017Author Jesse T. Ault, Bhargav Rallabandi, Orest Shardt, Kevin K. Chen, Howard A. StoneSteady entry flow in a curved pipe Journal of Fluid Entry flow in a curved pipe Journal of Fluid Mechanics (steel) Laser-Doppler velocity measurements were performed on the entry flow in a 90° bend of circular cross-section with a curvature ratio a / R = 1/6. The steady entry velocity profile was parabolic, having a Reynolds number Re = 700, with a corresponding Dean number = 286. Both axial and secondary velocities were measured, enabling a detailed description of the complete flow field.

Cited by 6Publish Year 1980Author W. S. YeungLarge-Eddy Simulation of Turbulent Flow in a Curved Pipe Entry flow in a curved pipe Journal of Fluid Mechanics

In this paper, we use Large-Eddy Simulation (LES) to compute a fully-developed turbulent flow in a curved pipe. The results allow us to study how the curvature influences the mean velocity profile and also various turbulent statistics. We find reasonable agreement with (pipe) Cited by 76Publish Year 2005Author J. H. Siggers, S. L. WatersSwirl-flow effects in a duct bending through a substantial Entry flow in a curved pipe Journal of Fluid Mechanics (steel) The vortical three-dimensional flow of an inviscid incompressible fluid through a bend in a slender duct is investigated with nonlinear coupling between the centre-line and cross-sectional velocities. The bend, although gradual, turns the duct flow through a finite angle typically. The theoretical work is motivated directly by the industrial application to food sorting, involving the rapid Entry flow in a curved pipe Journal of Fluid Mechanics (pipe) Cited by 7Publish Year 2012Author M.R.H. Nobari, M. Mirzaei, Z. Hosseinzadeh NikDean flow of a Bingham fluid in a curved rectangular duct Entry flow in a curved pipe Journal of Fluid Mechanics (steel) In this paper we study the flow of a Bingham fluid on a curved (rectangular) pipe. Flows in this kind of geometries present secondary flows due to presence of centripetal forces in the radial direction. This so called Dean Flow has been extensively studied for Newtonian fluids.

Computational Fluid Dynamics Study on Water Flow in a Entry flow in a curved pipe Journal of Fluid Mechanics

Although curved pipes are used in a wide range of applications, flow in curved pipes is relatively less well known than that in straight ducts. This paper presents a computational fluid dynamics study of isothermal laminar single-phase flow of water in a hollow helical pipe at various Reynolds numbers. The ranging of Reynolds numbers of fluid was from 703.2 to 1687.7.(pipe) Dr. M. A. Masud (Ph.D.) North South University(steel) M. A. Masud and M. M. Alam, Effect of Curvature on Entry Flow Through a Rotating Curved Pipe with Circular Cross-section, Proceedings of the 13th Asian Congress of Fluid Mechanics, 17-19 December 2010, Dhaka, Bangladesh, Paper no-206. (presented)(pipe) Dual solutions of the flow through a curved tube - IOPscience(steel) Apr 03, 2009"Fluid Dynamics Research" is a well-established international journal of Fluid Mechanics, published six times per year by IOPP (Institute of Physics Publishing) on behalf of the JSFM since 2009. Dual solutions of the flow through a curved tube

Experimental study of the flow in a helical circular tube Entry flow in a curved pipe Journal of Fluid Mechanics

Mar 13, 2009"Fluid Dynamics Research" whose first volume was published in 1986 is the official journal of the JSFM. "Fluid Dynamics Research" is a well-established international journal of Fluid Mechanics, published six times per year by IOPP (Institute (pipe) Flow Characteristics of Helical Capillary Tube for Entry flow in a curved pipe Journal of Fluid Mechanics (steel) Mar 01, 2017The Quarterly Journal of Mechanics and Applied Mathematics 1963; 16 61-77 [14] Collins W, Dennis S, The steady motion of a viscous fluid in a curved tube. The Quarterly Journal of Mechanics and Applied Mathematics 1975; 28 133-156. [15] Dennis S.,Calculation of the steady flow a curved tube using a new finite difference method. J.(pipe) Flow visualization of relaminarization phenomena in curved Entry flow in a curved pipe Journal of Fluid Mechanics (steel) Abstract. Flow visualization results for secondary flow phenomena at the exit of 90° and 180° bends and helically coiled pipes (1, 2 and 5 turns), (radius of curvatureR c =381 mm, inside pipe diameterd=37.5 mm, curvature ratiod/2R c =0.049) and in the downstream straight pipe (l/d=30) are presented to study the stabilizing (relaminarization) effect in curved pipes with fully developed entry Entry flow in a curved pipe Journal of Fluid Mechanics

Fluid flow and heat transfer characteristics of spiral Entry flow in a curved pipe Journal of Fluid Mechanics

Jan 28, 2012Numerical analysis was performed to investigate flow and heat transfer characteristics in spiral coiled tube heat exchanger. Radius of curvature of the spiral coiled tube was gradually increased as total rotating angle reached 12. As the varying radius of curvature became a dominant flow parameter, three-dimensional flow analysis was performed to this flow together with different (pipe) Fully developed viscous flow in coiled circular pipes Entry flow in a curved pipe Journal of Fluid Mechanics (steel) Ru Yang, undefined Sung Fa Chang, A numerical study of fully developed laminar flow and heat transfer in a curved pipe with arbitrary curvature ratio, International Journal of Heat and Fluid Flow, 10.1016/0142-727X(93)90021-E, 14, 2, (138-145), (1993).(pipe) Journal of Mathematical Fluid Mechanics Volume 23, issue 2(steel) Mar 30, 2021Volume 23, issue 2 articles listing for Journal of Mathematical Fluid Mechanics

Laminar Pressure Loss Coefficient in Close Coupled Entry flow in a curved pipe Journal of Fluid Mechanics

Steady entry flow in a curved pipe, Journal of Fluid Mechanics, v . 177, p . 233 Entry flow in a curved pipe Journal of Fluid Mechanics Laser-Doppler measurements of laminar and turbulent flow in a pipe bend, International Journal of Heat and Fluid Flow(pipe) Laminar boundary-layer flow near the entry of a curved Entry flow in a curved pipe Journal of Fluid Mechanics (steel) Dec 01, 1980The fluid mechanics of a viscous, incompressible fluid entering a circular curved pipe at large Reynolds number is investigated numerically. The flow field is divided into two regions, the boundary-layer region and the inviscid core region.(pipe) Low frequency oscillatory flow in a rotating curved pipe Entry flow in a curved pipe Journal of Fluid Mechanics (steel) Abstract. The low frequency oscillatory flow in a rotating curved pipe was studied by using the method of biparameter perturbation. Perturbation solutions up to the second order were obtained and the effects of rotation on the low frequency oscillatory flow were examined in detail.

Measurements and computations of flow in pipe bends Entry flow in a curved pipe Journal of Fluid Mechanics

Measurements are given of the total pressure and yaw relative to the pipe axis of flow in various pipe bends attached to the end of a long straight pipe, for a pipe Reynolds number of 236 × 10 5 . The behaviour of the induced secondary flows is presented in detail. In a 180° bend it is found that, from the start of the bend, the secondary flows increase to a maximum and then decrease to a Entry flow in a curved pipe Journal of Fluid Mechanics (pipe) Michael W. Plesniak Mechanical & Aerospace Engineering Entry flow in a curved pipe Journal of Fluid Mechanics (steel) M. R. Najjari, C. Cox & M.W. Plesniak, Formation and interaction of multiple secondary flow vortical structures in a curved pipe transient and oscillatory flows, Journal of Fluid Mechanics, 876, pp. 481-526, 10 October 2019, published online 01 August 2019.(pipe) Momentum Transfer in Curved Pipes. 1. Newtonian Fluids Entry flow in a curved pipe Journal of Fluid Mechanics (steel) Numerical Study of GasLiquid Two-Phase Flow Regimes for Upward Flow in a Helical Pipe. Entry flow in a curved pipe Journal of Fluid Mechanics Numerical study of the influence of geometrical characteristics of a vertical helical coil on a bubbly flow. Journal of Applied Mechanics and Technical Entry flow in a curved pipe Journal of Fluid Mechanics An experimental and numerical study of periodic flow in a curved tube. Journal of Fluid Entry flow in a curved pipe Journal of Fluid Mechanics

Numerical Investigation on Fluid Flow in a 90-Degree Entry flow in a curved pipe Journal of Fluid Mechanics

AbstractIntroductionModel and Numerical MethodMesh and Boundary ConditionsSimulations and Result AnalysisConclusionsIn order to understand the mechanism of fluid flows in curved pipes, a large number of theoretical and experimental researches have been performed. As a critical parameter of curved pipe, the curvature ratio has received much attention, but most of the values of are very small () or relatively small (). As a preliminary study and simulation this research studied the fluid flow in a 90-degree curved pipe of large curvature ratio. The Detached Eddy Simulation (DES) turbulence model was employed to investigate thSee more on hindawi(PDF) Effect of Curvature on Entry Flow(steel) Entry flow of a viscous incompressible fluid through a rotating curved pipe of circular cross-section has been considered. The flow is driven by pressure.(pipe) Numerical simulation of flow in helical ducts - Wang Entry flow in a curved pipe Journal of Fluid Mechanics (steel) Helical pipes and ducts are used widely in industry. There is a huge literature on flow in curved pipes and bends, but comparatively little has been published on flow in helical pipes. To simplify the problem, most theoretical work on flow in helical pipes has assumed zero pitch a toroidal pipe (pipe) Pulsating Flow for Mixing Intensification in a Twisted Entry flow in a curved pipe Journal of Fluid Mechanics (steel) Nov 24, 2009This work concerns the manipulation of a twisted curved-pipe flow for mixing enhancement. Previous works have shown that geometrical perturbations to a curved-pipe flow can increase mixing and heat transfer by chaotic advection. In this work the flow entering the twisted pipe undergoes a pulsatile motion.

Steady entry flow in a curved pipe (1987) narcis.nl

Title Steady entry flow in a curved pipe Published in Journal of Fluid Mechanics, 177, 233 - 246. Cambridge University Press. ISSN 0022-1120. Author(pipe) Steady entry flow in a curved pipe - NASA/ADS(steel) Apr 01, 1987Not Available adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A(pipe) Steady flows in pipes with finite curvature Physics of Entry flow in a curved pipe Journal of Fluid Mechanics (steel) Motivated by blood flow in a curved artery, we consider fluid flow through a uniformly curved pipe, driven by a steady pressure gradient. Previous studies have typically considered pipes with asymptotically small curvature in which only the centrifugal effect is retained in the governing equations.

Steady laminar flow of a power-law fluid in a curved pipe Entry flow in a curved pipe Journal of Fluid Mechanics

Journal of Non-Newtonian Fluid Mechanics. Volume 19, Issue 2, 1985, Pages 161-183. Steady laminar flow of a power-law fluid in a curved pipe of circular cross-section with varying curvature. Author links open overlay panel Yoshiyuki Iemoto Masaichi Nagata 1 Fujio Yamamoto. Show more.(pipe) TaylorDean flow through a curved duct of square cross Entry flow in a curved pipe Journal of Fluid Mechanics (steel) Mar 06, 2009"Fluid Dynamics Research" is a well-established international journal of Fluid Mechanics, published six times per year by IOPP (Institute of Physics Publishing) on behalf of the JSFM since 2009. TaylorDean flow through a curved duct of square cross section(pipe) The Fluid Mechanics of Ureteroscope Irrigation Journal Entry flow in a curved pipe Journal of Fluid Mechanics (steel) IntroductionMaterials and MethodsResultsDiscussionConclusionsAuthor Disclosure StatementFlexible ureterorenoscopy provides a minimally invasive treatment for the destruction and removal of kidney stones. The procedure is performed by passing auxiliary working tools (e.g., laser fibers and baskets) through the working channel of a ureteroscope, and utilizing the actively deflectable tip. An ongoing challenge is to optimize visualization within the renal collecting system during treatment. Good intrarenal views are obtained by flowing irrigation fluid (saline) through the scope to create a working spSee more on liebertpubLarge Curvature Effect on Pulsatile Entrance Flow in a Entry flow in a curved pipe Journal of Fluid Mechanics (steel) We measured the velocity profiles of pulsatile entrance flow in a strongly curved tube using a laser-Doppler anemometer in order to simulate blood flow in the aortic arch under various conditions, i.e., a ratio of tube to curvature radius of 1/3, Womersley parameters of 12

Torsion and curvature effects on fluid flow in a helical Entry flow in a curved pipe Journal of Fluid Mechanics

Dec 01, 2013Nobari and Amani studied developing flow and heat transfer in a curved pipe for two thermal boundary conditions considering the range of Dean numbers 76522 at the two Prandtl numbers of 0.5 and 1. In another study, Nobari et al. analyzed the developing flow and heat transfer in a curved annular pipe. They concluded that the friction factor Entry flow in a curved pipe Journal of Fluid Mechanics (pipe) Torsion effect on the flow in a helical pipe - IOPscience(steel) Apr 03, 2009The effect of curvature and torsion on the flow in a helical pipe of circular cross-section is studied numerically by the spectral method. The calculations are carried out for 0 0.6, 0 0 1.4 and 500 D n 2000, where is the non-dimensional curvature, 0 the ratio of torsion to square root of curvature, and D n the Dean number.(pipe)Entry flow in a curved pipe Journal of Fluid Mechanics Entry flow in a curved pipe Journal of Fluid Mechanics (steel) Mar 29, 2006The present work deals with the flow in a curved pipe as it develops from a uniformly distributed velocity at the entrance to a fully developed profile. Barua's results for the fully developed flow are adopted as downstream conditions in the present work.

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