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243 (0,078s) •

Project

Collapse and fission mechanisms of ultrasonically excited cavitation bubbles near a solid boundary in Newtonian liquid (GAP101/10/1428)

The aim of the project is the basic research into the mechanism of collapse and fission (disintegration) of individual cavitation bubbles near a solid boundary in Newtonian liquids. The collapse of a single ultraso...

BK - Mechanika tekutin

  • 2010 - 2014
    • •
  • 2 340 tis. Kč
    • •
  • 2 340 tis. Kč
    • •
  • GA ČR
Project

The effect of physical properties of water on bubble nucleation and cavitation damage in pumps (GA101/07/1612)

. At the same time, a qualitative model of blade damage caused by bubble collapsesThe project is based on the fundamental research of bubble nucleation in water and its application to modeling of cavitation damage ...

BJ - Termodynamika

  • 2007 - 2009
    • •
  • 3 205 tis. Kč
    • •
  • 3 205 tis. Kč
    • •
  • GA ČR
Project

Principles and mechanisms causing microorganism elimination by hydrodynamic cavitation (GA16-18316S)

Hydrodynamic cavitation (HC) seems to be promising method for water purification and disinfection with advantage of relatively lower energy consumption and investment costs. However, verified mechanisms and fundamental principles how HC can ...

BK - Mechanika tekutin

  • 2016 - 2020
    • •
  • 5 808 tis. Kč
    • •
  • 5 754 tis. Kč
    • •
  • GA ČR
Project

Suppression of onset and effects of cavitation in hydrodynamic machines (IBS2076003)

od cavitation bubbles supported by numerical simulation and physical experiment.The cavitation rate depends on mechanical energy of creation of the critical bubble and is strongly affected by liquid surface tensio...

JQ - Strojní zařízení a nástroje

  • 2000 - 2004
    • •
  • 6 929 tis. Kč
    • •
  • 4 808 tis. Kč
    • •
  • AV ČR
Project

Experimental research and mathematical modelling of unsteady phenomena induced by hydrodynamic cavitation (GA13-23550S)

for simulation of cavitating flows and their comparison. The forces of collapsing cavitationThe flow unsteadiness caused by cavitation instabilities is responsible of unsteady cavitation phenomena on vibr...

BJ - Termodynamika

  • 2013 - 2015
    • •
  • 6 152 tis. Kč
    • •
  • 6 152 tis. Kč
    • •
  • GA ČR
Project

Validation of the generalized nucleation theory for water cavitation in hydrodynamic machinery (GP101/04/P108)

and published theory of bubble nucleation in liquid mixtures was designed to model bubble of the concentration of dissolved gases on bubble creation. Therefore, the main task of this project is to develop a more accurate m...

BJ - Termodynamika

  • 2004 - 2006
    • •
  • 420 tis. Kč
    • •
  • 420 tis. Kč
    • •
  • GA ČR
Project

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

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

Chemical process engineering

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

International collaboration in the research of the properties of water and aqueous mixtures in the framework of IAPWS (LA09011)

, determination of the nucleation rate of lets and bubbles in condensation and cavitation...

BJ - Termodynamika

  • 2009 - 2012
    • •
  • 2 589 tis. Kč
    • •
  • 2 493 tis. Kč
    • •
  • MŠMT
Project

Compressible fluid flow with homogenous/heterogeneous condensation interaction (GA101/99/0625)

of machinery during condensation.The occurence of cavitation in the flow parts omachinery and extinction of bubble clusters in a flowing liquid, to modify phzsi......

BJ - Termodynamika

  • 1999 - 2001
    • •
  • 3 067 tis. Kč
    • •
  • 2 564 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
  • 1 - 10 out of 243