Evaluation of the turbulent kinetic dissipation rate in an agitated vessel

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985874%3A_____%2F17%3A00466630" target="_blank" >RIV/67985874:_____/17:00466630 - isvavai.cz</a>

Alternative codes found

RIV/68407700:21220/17:00313252 RIV/46747885:24620/17:00004577

Result on the web

<a href="http://dx.doi.org/10.1051/epjconf/201714302062" target="_blank" >http://dx.doi.org/10.1051/epjconf/201714302062</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1051/epjconf/201714302062" target="_blank" >10.1051/epjconf/201714302062</a>

Result language

angličtina

Original language name

Evaluation of the turbulent kinetic dissipation rate in an agitated vessel

Original language description

The design of agitated tanks depends on operating conditions and processes for that are used for. An important parameter for the scale-up modelling is the dissipation rate of the turbulent kinetic energy. The dissipation rate is commonly assumed to be a function of the impeller power input. But this approach gives no information about distribution of the dissipation rate inside the agitated volume. In this paper the distributions of the dissipation rate inside the agitated vessels are estimated by evaluations of the CFD (Computational Fluid Dynamics). The results obtained from RANS (Reynolds Averaged Navier-Stokes equations) k-epsilon turbulent model and LES (Large Eddy Simulations) with Smagorinsky SGS (Sub Grid Scale) model are compared. The agitated vessels with standard geometry equipped with four baffles and stirred by either a standard Rushton turbine or a high shear impeller were investigated. The results are compared with mean dissipation rate estimated from the total impeller power input.

Czech name

—

Czech description

—

Type

D - Article in proceedings

CEP classification

—

OECD FORD branch

10305 - Fluids and plasma physics (including surface physics)

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2017

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

EPJ Web of Conferences

ISBN

—

ISSN

2100-014X

e-ISSN

—

Number of pages

4

Pages from-to

—

Publisher name

EDP Sciences

Place of publication

Les Ulis

Event location

Mariánské Lázně

Event date

Nov 15, 2016

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

000407743800064