"RIV/67985858:_____/07:00091220!RIV08-AV0-67985858" . "Slovak Society of Chemical Engineering" . . . "4"^^ . "bubble-wall collision; impact velocity; contact time"@en . "Hydrodynamika koliz\u00ED bubliny se st\u011Bnou v kapalin\u011B."@cs . "RIV/67985858:_____/07:00091220" . . . . . "R\u016F\u017Ei\u010Dka, Marek" . . "Zedn\u00EDkov\u00E1, M\u00E1ria" . . "16"^^ . "4"^^ . "2007-05-21+02:00"^^ . "Bratislava" . . "Hydrodynamics of Bubble-Wall Collisions in Liquid Phase."@en . "Proceedings" . . . . "Hydrodynamics of Bubble-Wall Collisions in Liquid Phase."@en . . . . "P(GA104/05/2566), P(GP101/05/P229), P(GP104/05/P554), Z(AV0Z40720504)" . "P\u0159\u00EDsp\u011Bvek se zab\u00FDv\u00E1 experiment\u00E1ln\u00EDm sledov\u00E1n\u00EDm koliz\u00ED bubliny s hydrofiln\u00EDm vodorovn\u00FDm povrchem. Kone\u010Dn\u00E1 rychlost bubliny, rychlost p\u0159i n\u00E1razu, kontaktn\u00ED \u010Das, deformace bubliny a rychlost bubliny p\u0159i odrazu byly vyhodnoceny (pomoc\u00ED rychlob\u011B\u017En\u00E9 kamery) v z\u00E1vislosti na velikosti bubliny (v rozmez\u00ED 0.4 a\u017E 1.1 mm). Experiment\u00E1ln\u00ED data jsou porovn\u00E1v\u00E1ny s modelem Legendra a kol. (Phys. Fluids 17, 2005). Data pro kontaktn\u00ED \u010Das bubliny se st\u011Bnou jsou v dobr\u00E9m souladu s modelem, zat\u00EDmco data pro rychlost n\u00E1razu a odrazu se v\u00FDznamn\u011B li\u0161\u00ED. Tento nesoulad je pravd\u011Bpodobn\u011B zp\u016Fsoben omezenou platnost\u00ED p\u0159edpoklad\u016F modelu, kter\u00FD byl odvozen pro interakce kapka-st\u011Bna. Rozd\u00EDl mezi modelem a experiment\u00E1ln\u00EDmi daty m\u016F\u017Ee b\u00FDt vysv\u011Btlen zejm\u00E9na zanedb\u00E1n\u00EDm vztlakov\u00E9 s\u00EDly, nekulov\u00E9ho tvaru bubliny a uva\u017Eov\u00E1n\u00EDm pouze mal\u00FDch deformac\u00ED bubliny."@cs . . . "[AB1640844AA4]" . "Hydrodynamics of Bubble-Wall Collisions in Liquid Phase." . . . "Draho\u0161, Ji\u0159\u00ED" . "425088" . "Vejra\u017Eka, Ji\u0159\u00ED" . "Tatransk\u00E9 Matliare" . "Hydrodynamics of Bubble-Wall Collisions in Liquid Phase." . "978-80-227-2640-5" . . "138" . "The contribution deals with the experimental investigation of collision of a gas bubble with a hydrophilic (glass) horizontal surface. The terminal bubble velocity, impact velocity, contact time, bubble deformation and restitution velocity are evaluated (by means of a high-speed camera) as a function of bubble size, which is ranging from 0.4 to 1.1 mm. The experimental results are compared with the model of Legendre et al. (Phys Fluids 17, 2005). The data on contact time agree well with the model predictions, while they vary significantly in the case of impact velocity and restitution velocity. This disagreement is probably caused by limited validity of assumptions of the model, which was developed for the drop-wall interaction. Especially the neglect of buoyancy, bubble non-sphericity and consideration of small deformations in the model could explain the difference." . "Hydrodynamika koliz\u00ED bubliny se st\u011Bnou v kapalin\u011B."@cs . "The contribution deals with the experimental investigation of collision of a gas bubble with a hydrophilic (glass) horizontal surface. The terminal bubble velocity, impact velocity, contact time, bubble deformation and restitution velocity are evaluated (by means of a high-speed camera) as a function of bubble size, which is ranging from 0.4 to 1.1 mm. The experimental results are compared with the model of Legendre et al. (Phys Fluids 17, 2005). The data on contact time agree well with the model predictions, while they vary significantly in the case of impact velocity and restitution velocity. This disagreement is probably caused by limited validity of assumptions of the model, which was developed for the drop-wall interaction. Especially the neglect of buoyancy, bubble non-sphericity and consideration of small deformations in the model could explain the difference."@en . . . .