Experimental Investigation of Rising Gas Bubble Characteristics from a Vertical Tube under CCFL Condition

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="785157.fig.0014a" src="https://static.hindawi.com/articles/stni/volume-2012/785157/figures/785157.fig.0014a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Upper entry of the tube (PT1)</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="785157.fig.0014b" src="https://static.hindawi.com/articles/stni/volume-2012/785157/figures/785157.fig.0014b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Lower plenum (PT2)</td></tr></table></td></tr></table>

<table>Power spectrum density (PSD)  of pressure fluctuations for various air flow rates and water levels (tube diameter <svg height="11.375" id="M42" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 49.512501 11.375" width="49.512501" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.112)"><use xlink:href="#x1D437"></use></g><g transform="matrix(.017,-0,0,-.017,18.421,11.112)"><use xlink:href="#x3D"></use></g><g transform="matrix(.017,-0,0,-.017,33.125,11.112)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,41.284,11.112)"><use xlink:href="#x30"></use></g>
</svg> mm).</table>

Science and Technology of Nuclear Installations

fig14

Figure 14

Figure 14: Experimental Investigation of Rising Gas Bubble Characteristics from a Vertical Tube under CCFL Condition 