Unsteady Heat Transfer from an Equilateral Triangular Cylinder in the Unconfined Flow Regime

<table>Variation of the Colburn heat transfer factor (<svg height="13.7625" id="M84" style="vertical-align:-3.22282pt" version="1.1" viewbox="0 0 13.1375 13.7625" width="13.1375" xmlns="http://www.w3.org/2000/svg">
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fig9

Figure 9

Figure 9: Unsteady Heat Transfer from an Equilateral Triangular Cylinder in the Unconfined Flow Regime 