Influence of changes in liquid circulation on the mixing power when emptying the tank with a rotating 6FBT impeller

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F23%3A00381893" target="_blank" >RIV/68407700:21220/23:00381893 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.24425/cpe.2023.142292" target="_blank" >https://doi.org/10.24425/cpe.2023.142292</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.24425/cpe.2023.142292" target="_blank" >10.24425/cpe.2023.142292</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Influence of changes in liquid circulation on the mixing power when emptying the tank with a rotating 6FBT impeller

Popis výsledku v původním jazyce

This study presents the results of tests on the mixing power and distribution of three velocity components in the mixing tank for an FBT impeller during tank emptying with an operating impeller. A laser PIV system was used to determine speed distributions. It was found that for the relative liquid height in the tank H* = H=H0 approximate to 0.65 and H* approximate to 0.45, the liquid circulation in the impeller zone changed from radial to axial and vice versa. These changes were accompanied by changes in the mixing power which even reached 40%. In the theoretical part, a method of calculating the mixing power using the classical model of the central vortex and distribution of the tangential speed in the impeller zone was proposed. Although the method turned out to be inaccurate, it was useful for determining the relative power.

Název v anglickém jazyce

Influence of changes in liquid circulation on the mixing power when emptying the tank with a rotating 6FBT impeller

Popis výsledku anglicky

This study presents the results of tests on the mixing power and distribution of three velocity components in the mixing tank for an FBT impeller during tank emptying with an operating impeller. A laser PIV system was used to determine speed distributions. It was found that for the relative liquid height in the tank H* = H=H0 approximate to 0.65 and H* approximate to 0.45, the liquid circulation in the impeller zone changed from radial to axial and vice versa. These changes were accompanied by changes in the mixing power which even reached 40%. In the theoretical part, a method of calculating the mixing power using the classical model of the central vortex and distribution of the tangential speed in the impeller zone was proposed. Although the method turned out to be inaccurate, it was useful for determining the relative power.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20402 - Chemical process engineering

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2023

Kód důvěrnosti údajů

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

Název periodika

Chemical and Process Engineering/Inzynieria chemiczna i procesowa

ISSN

0208-6425

e-ISSN

2300-1925

Svazek periodika

44

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

PL - Polská republika

Počet stran výsledku

12

Strana od-do

—

Kód UT WoS článku

001133599600004

EID výsledku v databázi Scopus

2-s2.0-85172316359