Original title: Numerical simulations of flow over stationary deposit
Authors: Chára, Zdeněk ; Vlasák, Pavel ; Kysela, Bohuš ; Konfršt, Jiří
Document type: Papers
Conference/Event: 15th International Freight Pipeline society symposium, Praha (CZ), 2014-06-24 / 2014-06-27
Year: 2014
Language: eng
Abstract: The paper deals with a water flow in a horizontal, circular pipe of inner diameter 40 mm with a stationary deposit. The deposit was formed by spheres of diameter d=6 mm. The thickness of the deposit was about two sphere diameters. The flow was experimentally studied by the PIV method and COMSOL Multiphysics 4.4 was used as tool for numerical simulations as well. Two approaches were used to create the stationary deposit. In the first one was the deposit was replaced by a rough wall with different values of the roughness parameter ks. In the second case the deposit was created from the identical spherical particles. The results of the simulations and the experimental data are compared.
Keywords: numerical simulations; PIV method; stationary deposit
Project no.: GAP105/10/1574 (CEP)
Funding provider: GA ČR
Host item entry: 15th International Freight Pipeline society symposium, ISBN 978-80-87117-12-5

Institution: Institute of Hydrodynamics AS ČR (web)
Document availability information: Fulltext is available on demand via the digital repository of the Academy of Sciences.
Original record: http://hdl.handle.net/11104/0234693

Permalink: http://www.nusl.cz/ntk/nusl-174826


The record appears in these collections:
Research > Institutes ASCR > Institute of Hydrodynamics
Conference materials > Papers