"Anal\u00FDza experiment\u016F samobuzen\u00FDch oscilac\u00ED tenkost\u011Bnn\u00E9 elastick\u00E9 trubice" . "P\u0159\u00EDsp\u011Bvek se zab\u00FDv\u00E1 experiment\u00E1ln\u00EDm a teoretick\u00FDm rozborem samobuzen\u00E9ho kmit\u00E1n\u00ED tenkost\u011Bnn\u00E9 elastick\u00E9 trubice. Pro sledov\u00E1n\u00ED tohoto d\u011Bje byla navr\u017Eena a vybudov\u00E1na experiment\u00E1ln\u00ED linka. Okruh se skl\u00E1d\u00E1 z experiment\u00E1ln\u00ED komory, soustavy ustalovac\u00EDch komor, ventil\u016F pro regulaci pr\u016Ftoku kapaliny. Tok kapaliny okruhem je kontinu\u00E1ln\u00ED. V experiment\u00E1ln\u00ED komo\u0159e je na axi\u00E1ln\u011B posuvn\u00FDch trnech uchycen sledovan\u00FD vzorek. Trny jsou osazeny tlakov\u00FDmi sn\u00EDma\u010Di. Jako kapalina prot\u00E9kaj\u00EDc\u00ED okruhem byla pou\u017Eita destilovan\u00E1 voda. Pr\u016Ftok kapaliny linkou byl m\u011B\u0159en objemovou metodou. Bylo nalad\u011Bno n\u011Bkolik re\u017Eim\u016F samobuzen\u00FDch oscilaci latexov\u00E9 tenkost\u011Bnn\u00E9 trubice a detekov\u00E1ny dominantn\u00ED frekvence kmit\u00E1n\u00ED vzorku. Z prvn\u00ED harmonick\u00E9 frekvence a ze stanoven\u00E9 vlnov\u00E9 d\u00E9lky stojat\u00E9 vlny byla vypo\u010Dtena rychlost toku kapaliny vzorkem pro dan\u00FD re\u017Eim oscilace. Byl nalezen vztah pro vypo\u010Det efektivn\u00EDho p\u0159\u00ED\u010Dn\u00E9ho pr\u016F\u0159ezu trubice b\u011Bhem kmit\u00E1n\u00ED. Z podm\u00EDnky pro vznik samobuzen\u00FDch oscilac\u00ED byla vypo\u010Dtena rychlost \u0161\u00ED\u0159en\u00ED"@cs . "6"^^ . "P(GA106/04/1181), Z(AV0Z20760514), Z(MSM6840770012)" . "Anal\u00FDza experiment\u016F samobuzen\u00FDch oscilac\u00ED tenkost\u011Bnn\u00E9 elastick\u00E9 trubice"@cs . . . "Acta Mechanica Slovaca" . . "Konvi\u010Dkov\u00E1, Svatava" . . "21220" . . . "P\u0159\u00EDsp\u011Bvek se zab\u00FDv\u00E1 experiment\u00E1ln\u00EDm a teoretick\u00FDm rozborem samobuzen\u00E9ho kmit\u00E1n\u00ED tenkost\u011Bnn\u00E9 elastick\u00E9 trubice. Pro sledov\u00E1n\u00ED tohoto d\u011Bje byla navr\u017Eena a vybudov\u00E1na experiment\u00E1ln\u00ED linka. Okruh se skl\u00E1d\u00E1 z experiment\u00E1ln\u00ED komory, soustavy ustalovac\u00EDch komor, ventil\u016F pro regulaci pr\u016Ftoku kapaliny. Tok kapaliny okruhem je kontinu\u00E1ln\u00ED. V experiment\u00E1ln\u00ED komo\u0159e je na axi\u00E1ln\u011B posuvn\u00FDch trnech uchycen sledovan\u00FD vzorek. Trny jsou osazeny tlakov\u00FDmi sn\u00EDma\u010Di. Jako kapalina prot\u00E9kaj\u00EDc\u00ED okruhem byla pou\u017Eita destilovan\u00E1 voda. Pr\u016Ftok kapaliny linkou byl m\u011B\u0159en objemovou metodou. Bylo nalad\u011Bno n\u011Bkolik re\u017Eim\u016F samobuzen\u00FDch oscilaci latexov\u00E9 tenkost\u011Bnn\u00E9 trubice a detekov\u00E1ny dominantn\u00ED frekvence kmit\u00E1n\u00ED vzorku. Z prvn\u00ED harmonick\u00E9 frekvence a ze stanoven\u00E9 vlnov\u00E9 d\u00E9lky stojat\u00E9 vlny byla vypo\u010Dtena rychlost toku kapaliny vzorkem pro dan\u00FD re\u017Eim oscilace. Byl nalezen vztah pro vypo\u010Det efektivn\u00EDho p\u0159\u00ED\u010Dn\u00E9ho pr\u016F\u0159ezu trubice b\u011Bhem kmit\u00E1n\u00ED. Z podm\u00EDnky pro vznik samobuzen\u00FDch oscilac\u00ED byla vypo\u010Dtena rychlost \u0161\u00ED\u0159en\u00ED" . . . . "Analysis Experiment of the Self-excited Oscillation of the Thin-walled Elastic Tube"@en . "Anal\u00FDza experiment\u016F samobuzen\u00FDch oscilac\u00ED tenkost\u011Bnn\u00E9 elastick\u00E9 trubice"@cs . "3"^^ . . "RIV/68407700:21220/06:02121352!RIV07-GA0-21220___" . . . . . "RIV/68407700:21220/06:02121352" . "Analysis Experiment of the Self-excited Oscillation of the Thin-walled Elastic Tube"@en . "3"^^ . "10" . "This article focuses on experimental and theoretical analysis of the self-excited oscillation of the thin-walled elastic tube. An experimental line was designed for monitoring this phenomenon. The line consisted of experimental chamber, stilling chambers and regulation valves. The tube specimen is attached in the experimental chamber to axially adjustable pins equipped with pressure sensors. The fluid flow is continual and distilled water is used as fluid. Fluid flow was measured by the volume method. Several modes of self-excited oscillations of a latex tube were tuned up and the dominant frequencies of oscillations were detected. For each mode of oscillation, the fluid flow velocity was calculated from the first harmonic frequency and from the wave length of the standing wave. An equation for calculation of the effective cross-section of the tube was estimated. The pulse wave velocity was calculated using condition for self-excited"@en . . "189;194" . "[26E351902B16]" . . "biomechanics; self-excited oscillation; thin-walled elastic tube"@en . "Anal\u00FDza experiment\u016F samobuzen\u00FDch oscilac\u00ED tenkost\u011Bnn\u00E9 elastick\u00E9 trubice" . "1/2006" . "1335-2393" . "Chlup, Hynek" . "Mar\u0161\u00EDk, Franti\u0161ek" . "SK - Slovensk\u00E1 republika" . . . . . "465118" .