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96 (0,08s) •

Project

Quantum-Classical Ultimate Turbulence Analogies in Heat Transfer (EF18_070/0009944)

in the Rayleigh-Benard convection), (ii) development of a novel and potentially groundbreaking...

Fluids and plasma physics (including surface physics)

  • 2018 - 2021
    • •
  • 4 084 tis. Kč
    • •
  • 4 084 tis. Kč
    • •
  • MŠMT
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 and momentum in natural systems. However, the high Ra...

Fluids and plasma physics (including surface physics)

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

Cryogenic Rayleigh-Bénard convection at Rayleigh numbers above 1e11 (GPP203/12/P897)

of the so-called ultimate regime of Rayleigh-Bénard convection, but any generally number Pr oforder unity) is commonly believed to lay in the range of Rayleigh numbers 1e13-1e14. The efficiency of the convective h...

BK - Mechanika tekutin

  • 2012 - 2014
    • •
  • 773 tis. Kč
    • •
  • 773 tis. Kč
    • •
  • GA ČR
Project

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

behaviour of heat transfer efficiency in Rayleigh-Bénard convection (RBC) in the very high Rayleigh number regime (Ra > 1E12), in particular on claimed transitions to the ultimate or "Grenoble" RBC regime...

BK - Mechanika tekutin

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

Ultimate regimes of turbulent convection in nonideal fluids revisited (GA25-16812S)

Rayleigh-Bénard convection (RBC) at high Rayleigh (Ra) numbers represents by turbulent convection. Experiments reaching very high Ra, approaching values relevant for convective systems in Nature (...

Condensed matter physics (including formerly solid state physics, supercond.)

  • 2025 - 2027
    • •
  • 7 384 tis. Kč
    • •
  • 6 985 tis. Kč
    • •
  • GA ČR
Project

Elucidation of fundamental questions in turbulent convection (KJB200650902)

convection at Rayleigh numbers up to 2e15. The novelty of (ii) is in constricting the flow in the central volume of a convection cell, where Ra^0.5 could setTurbulence is unsolved problem of classical physics. There are se...

BK - Mechanika tekutin

  • 2009 - 2011
    • •
  • 1 069 tis. Kč
    • •
  • 1 069 tis. Kč
    • •
  • AV ČR
Project

Interplay of convective heat transfer and turbulent flows with rotation in classical and quantum phases of cryogenic helium (GA20-00918S)

Experimental studies of of complementary classical and quantum convective heat flows and turbulence are proposed with the emphasis of their interplay with rotation. Two rotating platforms will be designed and built, one of them to allow exp...

Fluids and plasma physics (including surface physics)

  • 2020 - 2022
    • •
  • 12 034 tis. Kč
    • •
  • 11 086 tis. Kč
    • •
  • GA ČR
Project

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

, thermally and mechanically driven classical and quantum flows: classical high Rayleigh number turbulent convection in the cold helium gas in the vicinity of its critical point, byuoancy driven convective flow in a two-flu...

BK - Mechanika tekutin

  • 2014 - 2016
    • •
  • 7 339 tis. Kč
    • •
  • 7 339 tis. Kč
    • •
  • GA ČR
Project

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

of homogeneous regime and to prove or disprove the validity of the theory about Rayleigh-Benard instability of homogeneous flow regime in bubble column. Different gas......

CI - Průmyslová chemie a chemické inženýrství

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

Generation of meltwater and transport processes in the ice shell of Europa (GJ15-14263Y)

numerical model, coupling two-phase flow with thermo-compositional convection driven...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2015 - 2017
    • •
  • 3 228 tis. Kč
    • •
  • 3 228 tis. Kč
    • •
  • GA ČR
  • 1 - 10 out of 96