Reference Area for Calculating Lift and Drag Coefficient of 3D wing
Hi Everyone,
I am having a confusion on calculating reference area for 3D wing. As I know, for the Lift coefficient the reference area is SPAN*CHORD of the wing. But for calculating Cd should that also be SPAN*CHORD? or the frontal area perpendicular to the flow direction? Thank you for your time. It would be a great help if anybody gives this info. |
It has to be some area. Which one to use will depend on the data you are going to compare it with. Which area was used to define that data ? If you have nothing to compare, you can use span*chord. If its not a straight wing, use the planform area. Its same for both cl and cd.
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Praveen
Thank you so much. Now I have got the point. |
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