E3S Web Conf.
Volume 128, 2019XII International Conference on Computational Heat, Mass and Momentum Transfer (ICCHMT 2019)
|Number of page(s)||4|
|Published online||08 November 2019|
Effect of the flow velocity on bubble boiling characteristics
Melentiev Energy Systems Institute SB RAS,
Lermontova St., 130,
* Corresponding author: email@example.com
The present research considers the initial stage of nucleate boiling with high heat fluxes releasing from the technical surface. We show new experimental data on the dynamics of the vapor phasein subcooled water flow in the channel under nonstationary heat release conditions. The heat release dissipation on the heater was performed by passing a controlled three–phase rectified electric current through a tube with a pulse duration of τimp = 60—300 ms with a heating rate of 1000—6000 K/s. We studied the formation dynamics and the structure of the vapor–liquid layer near the heat releasing wall and monitored the temperature state of the wall depending on the parameters of the heater’s flow and the intensity of heating of the cylindrical wall.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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