. . "Sn\u00ED\u017Een\u00ED p\u0159estupu tepla a tlakov\u00FDch ztr\u00E1t p\u0159\u00EDsadou micel\u00E1rn\u00EDho aditiva p\u0159i proud\u011Bn\u00ED vody v kruhov\u011B zak\u0159iven\u00E9 trubce."@cs . . "RIV/67985874:_____/02:11023029" . . "heat transfer; drag reduction; micellar additives"@en . . "Decrease of heat transfer and pressure drop in the flow of drag reducing surfactant in helical tube."@en . . "Decrease of heat transfer and pressure drop in the flow of drag reducing surfactant in helical tube."@en . . . . "Vysok\u00E9 u\u010Den\u00ED technick\u00E9 v Brn\u011B. Fakulta strojn\u00EDho in\u017Een\u00FDrstv\u00ED. \u00DAstav mechaniky t\u011Bles, mechatroniky a biomechaniky" . "Svratka [CZ]" . "Brno" . "[88E7B69F6393]" . "3"^^ . "Ko\u0159en\u00E1\u0159, Josef" . "0"^^ . . "The flow in a helical tube was studied experimentally and change of heat transfer and pressure drop caused by addition of 3 different amount of a surfactant was shown. The measurements were done at a constant heat flux at the wall q = 50 and 75 kW/m2; the Reynolds numbers were between 10600 and 71000 and temperatures from 15 to 55 C. The decrease of heat transfer along the coiled tube caused by presence of the surfactant and effect of drag reduction in heat transfer were confirmed."@en . "0"^^ . "1"^^ . "In\u017Een\u00FDrsk\u00E1 mechanika 2002." . "3"^^ . "RIV/67985874:_____/02:11023029!RIV/2003/GA0/A11003/N" . "663968" . . . . "My\u0161ka, Ji\u0159\u00ED" . "Sn\u00ED\u017Een\u00ED p\u0159estupu tepla a tlakov\u00FDch ztr\u00E1t p\u0159\u00EDsadou micel\u00E1rn\u00EDho aditiva p\u0159i proud\u011Bn\u00ED vody v kruhov\u011B zak\u0159iven\u00E9 trubce." . . "M\u00EDk, V\u00E1clav" . . "80-214-2109-6" . "160Kb" . . "Sn\u00ED\u017Een\u00ED p\u0159estupu tepla a tlakov\u00FDch ztr\u00E1t p\u0159\u00EDsadou micel\u00E1rn\u00EDho aditiva p\u0159i proud\u011Bn\u00ED vody v kruhov\u011B zak\u0159iven\u00E9 trubce."@cs . "Sn\u00ED\u017Een\u00ED p\u0159estupu tepla a tlakov\u00FDch ztr\u00E1t p\u0159\u00EDsadou micel\u00E1rn\u00EDho aditiva p\u0159i proud\u011Bn\u00ED vody v kruhov\u011B zak\u0159iven\u00E9 trubce." . "2002-05-13+02:00"^^ . . "P(GA101/99/1431), Z(AV0Z2060917)" . . . . "Experiment\u00E1ln\u011B byla sledov\u00E1na zm\u011Bna p\u0159estupu tepla p\u0159i proud\u011Bn\u00ED vody a vody s r\u016Fzn\u00FDmi koncentracemi micel\u00E1rn\u00EDho aditiva v kruhov\u011B zak\u0159iven\u00E9 trubce. Ze zji\u0161t\u011Bn\u00FDch pr\u016Fb\u011Bh\u016F p\u0159estupu tepla pod\u00E9l \u0161roubovicov\u011B zak\u0159ivn\u00E9 trubky p\u0159i proud\u011Bn\u00ED vody a vody sp\u0159\u00EDsadou aditiva byla vyhodnocena m\u00EDra sn\u00ED\u017Een\u00ED p\u0159estupu tepla zp\u016Fsoben\u00E1 aditivem. Sou\u010Dasn\u011B byly m\u011B\u0159eny zm\u011Bny tlakov\u00FDch ztr\u00E1t, kter\u00E9 byly porovn\u00E1ny se zm\u011Bnami p\u0159estupu tepla." .