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270 (0,091s) •

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 retention ...

CI - Průmyslová chemie a chemické inženýrství

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

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

multiphase systems typically occurring in bubble column contactors and reactors will be studied in lab-scale columns, the expansion and the collapse of the bubbly layer the bubble bed response to variatio...

Chemical process engineering

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

Chaotic hydrodynamics of bubble columns (GA104/95/0647)

CI - Průmyslová chemie a chemické inženýrství

  • 1995 - 1996
    • •
  • 537 tis. Kč
    • •
  • 537 tis. Kč
    • •
  • GA ČR
Project

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

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

CI - Průmyslová chemie a chemické inženýrství

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

Operation of packed counter - current flow column as a trickle bed and bubble bed column in series (GA203/97/1174)

in the framework of the project of operating a packed column with two-phase counter-current flow of gas as an apparatus with a trickle bed and bubble bed column in series the principal characteristics of both parts of the ...

CI - Průmyslová chemie a chemické inženýrství

  • 1997 - 1999
    • •
  • 1 891 tis. Kč
    • •
  • 761 tis. Kč
    • •
  • GA ČR
Project

Hydrodynamic instabilities in bubble column reactors (GA104/98/1435)

The aim of the project is to study conditions under which homogeneous flow regime in bubble column reactors becomes unstable and the transition to heterogeneous regime occurs. To characterize the dynamics of the system, time series ...

CI - Průmyslová chemie a chemické inženýrství

  • 1998 - 2000
    • •
  • 2 028 tis. Kč
    • •
  • 1 468 tis. Kč
    • •
  • GA 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
Project

Development and preparation of the new replaceable continuous charged bed for capillary electrochromatography (GA203/98/1197)

of beads. Also frits keeping the packing particles inside columns can become easily clogged and can be a site for forming bubbles. We propose to develop a new type be attached to the column wall so it will be replaceable b...

CB - Analytická chemie, separace

  • 1998 - 1998
    • •
  • 222 tis. Kč
    • •
  • 155 tis. Kč
    • •
  • GA ČR
Project

Bubble growth in boiling (GP101/05/P229)

Project concerns the boiling in the regime of isolated bubbles. Its goal is to enlighten the growth of the vapour bubbles attached to the wall and to understand their detachment. The proposed experimental setup should enable to obta...

BK - Mechanika tekutin

  • 2005 - 2007
    • •
  • 958 tis. Kč
    • •
  • 958 tis. Kč
    • •
  • GA ČR
Project

Hydroacoustical distinguishing between fish and bubbles, and quantification of methane bubble ebullition in freshwater reservoirs of temperate zone (GAP504/12/1186)

The acoustic parameters of rising methane bubbles will be measured by echosounders at different frequencies at man-made bubbles. The special algorithms using multi-frequency record will be developed to distinguish the bubble

EH - Ekologie – společenstva

  • 2012 - 2015
    • •
  • 5 937 tis. Kč
    • •
  • 5 937 tis. Kč
    • •
  • GA ČR
  • 1 - 10 out of 270