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147 (0,136s) •

Project

Selected problems of cryogenic fluid dynamics (GA202/08/0276)

Experimental investigation of selected laminar and turbulent flows of cryogenic helium gas, normal liquid He I and superfluid  He II over a wide range of temperature and pressure providing an unprecedented range of flow properties o...

BK - Mechanika tekutin

  • 2008 - 2012
    • •
  • 4 843 tis. Kč
    • •
  • 4 843 tis. Kč
    • •
  • GA ČR
Project

*Research and development of cryogenic high speed turbines and compressors. (FF-P2/058)

*Research and development of cryogenic high speed turbines and compressors. The machines are operated with cryogenic gases (especially helium) of temperature 3K - 100K (-270C - (-173)C). Experimental research of vibration, ...

JR - Ostatní strojírenství

  • 2003 - 2006
    • •
  • 5 658 tis. Kč
    • •
  • 2 500 tis. Kč
    • •
  • MPO
Project

Non-Oberbeck-Boussinesq effects in turbulent convection in cryogenic helium at high Rayleigh numbers (GC21-06012J)

Experiments on turbulent Rayleigh-Bénard convection (RBC) in cryogenic helium gas reach the highest possible Rayleigh numbers generating vigorous turbulence of cryogenic helium parameters on temperature and pressur...

Fluids and plasma physics (including surface physics)

  • 2021 - 2023
    • •
  • 7 125 tis. Kč
    • •
  • 6 141 tis. Kč
    • •
  • GA ČR
Project

How is flying possible in a superfluid? Probing lift generation in liquid helium-4 to identify its Newtonian features (LL2326)

Superfluid helium-4 is a unique cryogenic liquid and its similarities with classical Newtonian fluids have yet to be neatly identified. In view of addressing this open question, we will investigate in unprecedented detail a canonica...

Fluids and plasma physics (including surface physics)

  • 2023 - 2025
    • •
  • 11 304 tis. Kč
    • •
  • 10 872 tis. Kč
    • •
  • MŠMT
Project

Cryogenic materials and measurement of their emissivities (IBS2065109)

Project deals with the choice of materials and their treatment to ensure an optimum thermal radiation shielding in cryogenic devices operating at temperatures 4 dielectrics willbe tested, Results experimentally taken will be proved on little...

BM - Fyzika pevných látek a magnetismus

  • 2001 - 2004
    • •
  • 3 746 tis. Kč
    • •
  • 1 208 tis. Kč
    • •
  • AV ČR
Project

Cryogenic helium classical and quantum turbulence (GA202/05/0218)

An experimental study is proposed to use 4He as a working fluid for investigation of classical and quantum turbulence, based on complementary cryogenic Rayleigh numbercryogenic turbulent thermal convection in the cold helium gas flo...

BK - Mechanika tekutin

  • 2005 - 2007
    • •
  • 2 494 tis. Kč
    • •
  • 2 494 tis. Kč
    • •
  • GA ČR
Project

Visualization of liquid helium flows (GAP203/11/0442)

Visualization of selected cryogenic flows of normal liquid 4He and its a readilly available setup for preparing seeding particles, a custom-made optical helium cryostat, an efficient helium-tight pumping and gas handling sy...

BK - Mechanika tekutin

  • 2011 - 2015
    • •
  • 7 991 tis. Kč
    • •
  • 7 991 tis. Kč
    • •
  • GA ČR
Project

Peculiarities of convective flows and heat transport in cryogenic helium (GA17-03572S)

We propose dedicated experimental studies of peculiarities observed over years in flowing behaviour and heat transfer efficiency in thermally driven flows of all forms of cryogenic helium. As for classical thermally driven flows, w...

BK - Mechanika tekutin

  • 2017 - 2019
    • •
  • 9 158 tis. Kč
    • •
  • 8 015 tis. Kč
    • •
  • GA ČR
Project

Research and development centre of cryogenic turbines and compressors. (FB-C2/40)

Theoretical and experimental research of low temperature parts of helium expansion turbines and compressors. Creating of experimentally sworn model of heat flux distribution in low temperature parts and its applications for reducing parasiti...

JR - Ostatní strojírenství

  • 1999 - 2001
    • •
  • 5 168 tis. Kč
    • •
  • 1 660 tis. Kč
    • •
  • MPO
Project

Cryogenic helium as a working fluid to study classical and quantum turbulence (GA14-02005S)

Cryogenic 4He offers three working fluids with unique, well-known and in situ tuneable properties for experimental studies of classical and quantum flows under number turbulent convection in the cold helium gas in the vicinity of it...

BK - Mechanika tekutin

  • 2014 - 2016
    • •
  • 7 339 tis. Kč
    • •
  • 7 339 tis. Kč
    • •
  • GA ČR
  • 1 - 10 out of 147