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1 527 (0,065s)

Project

Dynamics of unsteady phenomena in gas-liquid systems (GA19-09518S)

the bubble bed response to variations in the gas input: how the voidage and flow regimeThe project concerns the basic research into unsteady phenomena in gas-liquid multiphase systems typically occurring in bubble...

Chemical process engineering

  • 2019 - 2022
  • 7 386 tis. Kč
  • 6 480 tis. Kč
  • GA ČR
Project

Effect of bubble size on stability of homogeneous bubbly layer (GP104/06/P287)

-Benard instability of homogeneous flow regime in bubble column. Different gasThe priority of the suggested project is basic study of influence of the bubble size on stability of homogeneous flow regime in bubble c...

CI - Průmyslová chemie a chemické inženýrství

  • 2006 - 2008
  • 1 088 tis. Kč
  • 1 088 tis. Kč
  • GA ČR
Project

Bubble rise velocity and breakup of expanding gas in metallurgy processes (GA106/98/0050)

Contacting of gas with a liquid metal belong to important processes of steelmaking. Knowledge of bubble rise velocity and size of the bubbles is a key to better, gravity, and kinetic energy, the water-air system is suitable...

BK - Mechanika tekutin

  • 1998 - 2000
  • 2 072 tis. Kč
  • 2 072 tis. Kč
  • GA ČR
Project

Instability of homogeneous flow regime in bubble columns (GA104/01/0547)

The project is focused on experimental investigation of the instability of the homogeneous flow regime in bubble columns. This regime is characterized by high gas holdup, uniform spatial distribution of voidage, large gas r...

CI - Průmyslová chemie a chemické inženýrství

  • 2001 - 2003
  • 5 596 tis. Kč
  • 2 596 tis. Kč
  • GA ČR
Project

*In-Situ Groundwater and Soil Remediation using Nano-bubbles of Applied Gaseous Agents (FR-TI3/678)

-bubble water. Nano-bubbles have exceptionally high surface to gas volume ratio, which of environmental pollutants, since nano-bubbles can be created from any kind of gas. of biological processes. The pres...

DJ - Znečištění a kontrola vody

  • 2011 - 2013
  • 11 497 tis. Kč
  • 5 458 tis. Kč
  • MPO
Project

Study of mass transfer mechanism from bubbles in gas/liquid dispersions (GA104/98/1126)

Mass transfer from bubbles in gas-liquid dispersions is studied. The reason why in the literature dealing with the dependency of the mass transfer intensity on the bubble bubbles do not contribute to the overall ma...

CI - Průmyslová chemie a chemické inženýrství

  • 1998 - 2000
  • 994 tis. Kč
  • 873 tis. Kč
  • GA ČR
Project

Mechanism of gas-liquid mass transfer. The effects of diffusivity and solid micro- and nano- particles. (GA104/09/1810)

fields, which are much smaller in scale than the gas bubbles. As a result, the size of the gas bubble is not a very critical parameter for the estimation of kL, "slip velocity" models assumes a slip velocity and a...

CI - Průmyslová chemie a chemické inženýrství

  • 2009 - 2011
  • 1 853 tis. Kč
  • 1 853 tis. Kč
  • GA ČR
Project

Multi-scale hydrodynamics of gas-liquid reactors (GA104/04/0827)

between the phases in gas-liquid reactors and contactors. These interactions are very a model for the behaviour of the whole bubbly layer. The typical length scales are: microscale (~ bubble size), mesoscale (~ bubble<...

CI - Průmyslová chemie a chemické inženýrství

  • 2004 - 2006
  • 3 681 tis. Kč
  • 3 681 tis. Kč
  • GA ČR
Project

Hydrodynamics of bubble-particle interactions under liquid circulation (KJB200720801)

The project deals with bubble-particle interactions under liquid circulation. Theoretical description exists only for small particle-large bubble interactions, used: i) small bubble-large particle interactions under liquid ...

BK - Mechanika tekutin

  • 2008 - 2010
  • 799 tis. Kč
  • 799 tis. Kč
  • AV ČR
Project

Determination of coalescence efficiency of bubbles in liquids (GP104/09/P255)

to the coalescence in real gas-liquid dispersions in bubble column reactors. and the crucial control parameters (bubble properties, liquid properties, liquid flow condition). Bubble coalescence will be studied exp...

CI - Průmyslová chemie a chemické inženýrství

  • 2009 - 2011
  • 935 tis. Kč
  • 935 tis. Kč
  • GA ČR
  • 1 - 10 out of 1 527