"GAP203/11/0442" . . "Jako prvn\u00ED v Evrop\u011B\u00A0provedeme\u00A0vizualizaci vybran\u00FDch kryogenn\u00EDch proud\u011Bn\u00ED norm\u00E1ln\u00EDho kapaln\u00E9ho 4He a jeho supratekut\u00E9 f\u00E1ze. Jako stopovac\u00ED \u010D\u00E1stice v obou t\u011Bchto v\u00FDjime\u010Dn\u00FDch pracovn\u00EDch l\u00E1tk\u00E1ch pou\u017Eijeme\u00A0voln\u011B se vzn\u00E1\u0161ej\u00EDc\u00ED vlo\u010Dky zmrzl\u00E9 sm\u011Bsi vod\u00EDku a deuteria mikronov\u00FDch rozm\u011Br\u016F, vhodn\u00E9 jak\u00A0pro metodu PIV (plan\u00E1rn\u00ED laserov\u00E1 anemometrie)\u00A0tak i PTV (sledov\u00E1n\u00ED stopovac\u00EDch \u010D\u00E1stic). K dispozici je aparatura pro p\u0159\u00EDpravu stopovac\u00EDch \u010D\u00E1stic, vhodn\u00FD zak\u00E1zkov\u00FD optick\u00FD kryostat,\u00A0v\u00FDkonn\u00E1 t\u011Bsn\u011Bn\u00E1 \u010Derpac\u00ED\u00A0aparatura\u00A0a efektivn\u00ED optick\u00FD syst\u00E9m zahrnuj\u00EDc\u00ED v\u00FDkonn\u00FD\u00A0 kontinu\u00E1ln\u00ED laser, rychlou kameru, jako\u017E i\u00A0 ve\u0161ker\u00E9 nezbytn\u00E9 hardwarov\u00E9 a softwarov\u00E9 vybaven\u00ED, je\u017E vyu\u017Eijeme pro aplikaci technik PIV a PTV v kryogenn\u00EDch laboratorn\u00EDch podm\u00EDnk\u00E1ch a budeme jimi studovat vybran\u00E1 klasick\u00E1 a kvantov\u00E1 proud\u011Bn\u00ED kapaln\u00E9ho helia." . . "Vizualizace proud\u011Bn\u00ED kapaln\u00E9ho helia" . "15"^^ . "15"^^ . "Visualization of\u00A0selected cryogenic flows of normal liquid 4He and its superfluid phase\u00A0will be utilized \u00A0for the first time in Europe. Flakes of neutrally buoyant frozen mixture of hydrogen and deuterium of micronic size will be used as seeding particles,\u00A0 suitable for both particle image velocimetry (PIV) and particle tracking velocimetry (PTV) techniques\u00A0 in these remarkable working fluids. Using a readilly available setup for preparing seeding particles,\u00A0a custom-made optical helium cryostat,\u00A0an efficient helium-tight pumping and gas handling system and a high-performance optical system that includes a powerful continuous laser, a\u00A0fast camera as well as all necessary hardware and software\u00A0we shall utilize the PIV and PTV techniques in cryogenic laboratory conditions\u00A0to investigate selected\u00A0 classical and quantum\u00A0 flows of liquid helium."@en . . . "2015-04-23+02:00"^^ . . "2014-04-18+02:00"^^ . . "2015-12-31+01:00"^^ . . . . . "2011-01-01+01:00"^^ . . . . "1"^^ . . "Visualization of liquid helium flows"@en . . "http://www.isvav.cz/projectDetail.do?rowId=GAP203/11/0442"^^ . "0"^^ . . . "liquid helium superfluidity quantum turbulence"@en . "0"^^ .