Thesis (Ph.D.), University of Manchester, School of Engineering.
|Contributions||University of Manchester. School of Engineering.|
|The Physical Object|
The origin of the coordinate system is located in the center of the dimple or the cavity and is projected onto the lower wall plane, therefore the lower wall is located at y / H = length of the channel is L = mm, while channel height H and channel width B are set to H = 15 mm and B = 80 the spherical dimple with a sharp edge a print diameter of D = Cited by: 5. This paper presents an investigation of numerical simulation for a dilute particle laden flow (laminar) over in-line tube banks. Particles behavior of two different sizes and density ( μm sand and 40 μm fly ash) is demonstrated through the present study for a fixed geometry and flow condition, that is, a square in-line tube bank of two rows deep with pitch-to-diameter ratio of Cited by: Numerical investigation of particle lateral migration in straight channel flows using a direct-forcing immersed boundary method. With experiments of dilute suspension flow in square or rectangular ducts, An isothermal incompressible fluid flow is governed by the momentum equation and the continuity equation, Author: Wei Yi, Daniel Corbett, Ying Chen. Introduction to the Numerical Analysis of Incompressible Viscous Flows treats the numerical analysis of finite element computational fluid dynamics. Assuming minimal background, the text covers finite element methods; the derivation, behavior, analysis, and numerical analysis of Navier-Stokes equations; and turbulence and turbulence models used 5/5(1).
This book is the first monograph providing an introduction to and an overview of numerical methods for the simulation of two-phase incompressible flows. The Navier-Stokes equations describing the fluid dynamics are examined in combination with models for mass and surfactant transport. The book. The first problem involved a 2-D dam-break problem with mud flow. The second problem involved non-Newtonian flow of deformable landslide on a mild slope. In both the simulations, the flow is assumed to be incompressible. In the present study, the mud flow materials are represented as non-Newtonian fluids with a Bingham model. We have conducted a direct numerical simulation study of dilute turbulent particulate flow in a vertical plane channel by considering thousands of finite-size rigid particles with resolved phase interfaces. The particle diameter corresponds to approximately 11 wall units and their terminal Reynolds number is set to The fluid flow with a bulk Reynolds number of is directed . In this work, we present from first principles a direct numerical simulation (DNS) of a fully turbulent channel flow of a dilute polymer solution. The polymer chains are modeled as finitely extensible and elastic dumbbells. The simulation algorithm is based on a semi-implicit, time-splitting technique which uses spectral approximations in the spatial coordinates.
A pseudocompressibility method for the numerical simulation of incompressible multifluid flows is developed in . only the transient flow of very dilute suspensions of solids in air. A numerical study has been conducted for the flow of a dilute particleladen gas moving past one or more tubes undergoing erosion. A nonor‐thogonal body‐fitted coordinate system was used to calculate three tube configurations for laminar and turbulent flow regimes. Modeling and numerical simulation of particulate flows by the Eulerian-Lagrangian approach N. A. Patankar* and D. D. Joseph Department of Aerospace Engineering and Mechanics, University of Minnesota, Minneapolis, MN Abstract In this paper we present an Eulerian-Lagrangian numerical simulation (LNS) scheme for particulate flows. The considered flow Reynolds number is between 6×10 4 and 3×10 5, and the particulate flows examined pertain to two different solid mass loading ratios: ×10 −4 and Numerous turbulence models have been utilized to simulate the turbulent fluid motion within the duct bend while particle trajectories are calculated on the basis of a.