Jednoduchý model pro výpočet spotřeby energie v aerovaných a varných míchaných nádobách

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985858%3A_____%2F08%3A00306256" target="_blank" >RIV/67985858:_____/08:00306256 - isvavai.cz</a>

Výsledek na webu

—

DOI - Digital Object Identifier

—

Jazyk výsledku

angličtina

Název v původním jazyce

A Simple Model for Power Consumption in Gassed and Boiling Stirred Vessels

Popis výsledku v původním jazyce

The aim of this work is to investigate the influence of the main geometrical and hydrodynamic characteristics of gas?liquid stirred tanks on the ventilated cavities forming at the rear of impeller blades and the effect of their size on power consumption.The experimental part of the work was carried in a standard baffled vessel, mechanically stirred with a Rushton turbine. The influence of the sparger diameter on the cavity dimensions and the power consumption was evaluated first, using two different gas spargers. The experimental data confirm that the gas distributor plays an important role on the interactions between the gas?liquid mixture and the impeller. On the modeling side, a simplified mechanistic model based on description of cavity formationat the rear of impeller blade is developed. The model is able to acceptable predict the power consumption for aerated modern turbines as well as stirred boiling systems.

Název v anglickém jazyce

A Simple Model for Power Consumption in Gassed and Boiling Stirred Vessels

Popis výsledku anglicky

The aim of this work is to investigate the influence of the main geometrical and hydrodynamic characteristics of gas?liquid stirred tanks on the ventilated cavities forming at the rear of impeller blades and the effect of their size on power consumption.The experimental part of the work was carried in a standard baffled vessel, mechanically stirred with a Rushton turbine. The influence of the sparger diameter on the cavity dimensions and the power consumption was evaluated first, using two different gas spargers. The experimental data confirm that the gas distributor plays an important role on the interactions between the gas?liquid mixture and the impeller. On the modeling side, a simplified mechanistic model based on description of cavity formationat the rear of impeller blade is developed. The model is able to acceptable predict the power consumption for aerated modern turbines as well as stirred boiling systems.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CI - Průmyslová chemie a chemické inženýrství

OECD FORD obor

—

Projekt

—

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2008

Kód důvěrnosti údajů

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

Název periodika

AIChE Journal

ISSN

0001-1541

e-ISSN

—

Svazek periodika

54

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

11

Strana od-do

646-656

Kód UT WoS článku

—

EID výsledku v databázi Scopus

—