MATEC Web of Conferences
Volume 23, 2015Heat and Mass Transfer in the Thermal Control System of Technical and Technological Energy Equipment
|Number of page(s)
|31 August 2015
Steadiness of a “water bell” surface to a destruction at a flow around of the thin rods assembly
SB RAS, Kutateladze Institute of Thermophysics, 630090 Novosibirsk, Russia
a Corresponding author: email@example.com
The experimental research of hydrodynamic stability of a dome-shaped film liquid at a flow around a thin plate has been carried out. Experiments were carry out with a film in shape a «water bell». The film was formed by a leak-in jet of water width 10 mm on a hard disk with diameter 14.5 mm. The width of a plate ζ changed from 0.05 to 3.5 mm. The plate placed along or across relative to the vector of velocity of a liquid in a film. Experiments have shown, that stability of a film of liquid at a flow around the plate is defined by velocity of water and a thickness of a film δ in front of the rod. It is shown, that for the appointed value of Reynolds number Reδ probably continuous flow at a flow around the plate, if Weber number Weζ less than threshold value. The criterion of steadiness a film of the «water bell» by a surface destruction at a flow around the rod is determined on the transverse size of the rod relative to the vector of velocity of a liquid.
© Owned by the authors, published by EDP Sciences, 2015
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