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3 254 (0,115s) •

Project

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

in the vicinity of its critical point and in normal liquid He I versus quantum He II turbulence generated in a counterflow channel by a heat pulse and (ii) boundary layer boundary layer flow in <...

BK - Mechanika tekutin

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

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

describing the heat trasnfer laws in quantum fluid (superfluid helium-4, in the so-called "quantum counterflow") and in a classical fluid (normal gaseous helium-4 in the Rayleigh-Benard convection), (ii) developme...

Fluids and plasma physics (including surface physics)

  • 2018 - 2021
    • •
  • 4 084 tis. Kč
    • •
  • 4 084 tis. Kč
    • •
  • MŠMT
Project

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

and superfluid He II) system and their heat transfer efficiency, counterflow, pure superflow, forced pipe and grid co-flow of superfluid He II in the two-fluid temperature regime and boundary layer flows ...

BK - Mechanika tekutin

  • 2014 - 2016
    • •
  • 7 339 tis. Kč
    • •
  • 7 339 tis. Kč
    • •
  • GA 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 on theoretical/numerical prediction of flow phase diagram of spherical thermal counterflow, experimental realization of spherical and cylindrical thermal...

Fluids and plasma physics (including surface physics)

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

BK - Mechanika tekutin

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

Quantum turbulence in rotating superfluid 4He (GA25-16588S)

superflow. Superfluid 4He, historically known as He II, displays the two-fluid behavior. Reliable characterization of the transition to quantum turbulence in a stationary macroscopic sample of He II is ma...

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

  • 2025 - 2027
    • •
  • 5 072 tis. Kč
    • •
  • 4 347 tis. Kč
    • •
  • GA ČR
Project

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

fluids and thermal counterflow of superfluid 4He, we propose to use spatially and study various aspects of counterflowing superfluid helium, especially the generation and propagation of this quantum flow in a long macrosco...

BK - Mechanika tekutin

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

Nanostructured semiconductor materials-improvement of technology, electronic and optical properties (GA202/98/0669)

strongly diluted with He; ii) nanocrystals of II-VI semiconductors (CdS, ZnS and electroluminescence in both types of nanostructures (the role of the quantum confinement effect, surface and interface centres and e...

BM - Fyzika pevných látek a magnetismus

  • 1998 - 2000
    • •
  • 2 857 tis. Kč
    • •
  • 2 027 tis. Kč
    • •
  • GA ČR
Project

Archduke Ferdinand II of Tyrol (1529–1595) and his cultural patronage between Prague and Innsbruck (GA17-25383S)

A project deals with Archduke Ferdinand II of Tyrol (1529–1595), the son of the Emperor Ferdinand I. A research will stress, that he played a significant role in the cultural development of Bohemia, where he acted as Vice-R...

AL - Umění, architektura, kulturní dědictví

  • 2017 - 2021
    • •
  • 5 995 tis. Kč
    • •
  • 5 801 tis. Kč
    • •
  • GA ČR
Project

Macroscopic superfluid dynamics (GA202/02/0251)

An experimental study is proposed to investigate isothermal macroscopic He II flow and superfluid turbulence in the temperature range 1.4 < T < 2.15 K. We shall focus on similarities and differences between classical and He...

BK - Mechanika tekutin

  • 2002 - 2004
    • •
  • 5 633 tis. Kč
    • •
  • 1 705 tis. Kč
    • •
  • GA ČR
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