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Details van artikel 4 van 21 gevonden artikelen
| Titel: |
A Visualization Study of Bubble Behavior in Saturated Flow Boiling through a Vertical Mini-Tube |
| Auteur: |
Owhaib, Wahib Palm, Bjorn MartIn-Callizo, Claudi |
| Verschenen in: |
Heat transfer engineering |
| Paginering: | Jaargang 28 (2007) nr. 10 pagina's 852-860 |
| Jaar: |
2007-10 |
| Inhoud: |
Forced convection saturated R-134a boiling experiments were conducted in a vertical mini-quartz tube coated with a transparent heater; the inner diameter of the tube was 1.33 mm and the heated length 235.5 mm. The dynamics of the saturated boiling process, bubble characteristics, and behavior were studied using a high-speed CCD camera at different mass fluxes in up-flow at 6.425 bar. The heat fluxes were 5 and 20 kW/m2. The flow visualization results show that the bubble departure frequency generally increases as the heat flux increases. In addition, bubble lift-off diameter, growth rate, and velocity after bubble lift-off were determined by analyzing the images. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 4 van 21 gevonden artikelen
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