Effects of Centrifugal Buoyancy and Reynolds Number on Turbulent Heat Transfer in a Two-Pass Angled-RIB-Roughened Channel with Sharp 180° Turns Investigated by Using Large Eddy Simulation

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="764720.fig.005a" src="https://static.hindawi.com/articles/ijrm/volume-2008/764720/figures/764720.fig.005a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>first straight pass (radially outward flow)</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="764720.fig.005b" src="https://static.hindawi.com/articles/ijrm/volume-2008/764720/figures/764720.fig.005b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>second straight pass (radially inward flow)</td></tr></table></td></tr></table>

<table>Explanation of aiding and opposing buoyancy contributions in first (radially outward flow) and second (radially inward flow) straight passes.</table>

International Journal of Rotating Machinery

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Figure 5

Figure 5: Effects of Centrifugal Buoyancy and Reynolds Number on Turbulent Heat Transfer in a Two-Pass Angled-RIB-Roughened Channel with Sharp 180° Turns Investigated by Using Large Eddy Simulation 

Figure 5 | Effects of Centrifugal Buoyancy and Reynolds Number on Turbulent Heat Transfer in a Two-Pass Angled-RIB-Roughened Channel with Sharp 180° Turns Investigated by Using Large Eddy Simulation 