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Axisymmetric Reference Area

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Old   October 16, 2009, 09:34
Default Axisymmetric Reference Area
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Jouke de Baar
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Using a reference area of 0.5 m for a 1m diameter sphere, as suggested elsewhere on this forum, works fine. Fluent relates the 2D r=0.5 m reference area to the 3D [ pi*r^2 ] projected area. (I hope my understanding is correct here?)

Now I have an axisymmetric body, in water. In marine applications it is commen not to use the projected area but the wetted surface. Now I wonder: In this case, what would be the correct 2D reference area?
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