Re: Swept wing for transonic flight explanation?

Date:         27 Dec 96 04:41:03 
From:         "R. Michael Saunders" <michael.saunders@boeing.com>
Organization: Boeing
References:   1 2
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David Lednicer wrote:
>
>         When transonic freestream flow hits a swept wing, the surface
> flow turns slightly and goes across the wing normal to the leading edge.
> This is what the velocity vector diagram that you have seen is attempting
> to show. This is what the velocity vector diagram that you have seen is
> attempting to show.

    Nothing causes the "flow to turn slightly and go across the wing
normal to the leading edge", in fact with a aft swept wing flow will
tend to turn slightly outward toward the wing tip (more prominently with
low aspect ratio wings). The remainder of David's explaination seems
reasonable.

--
Name: Michael Saunders
Disclaimer: Representing myself only (i.e. not the Boeing Company)
Reply: michael.saunders@boeing.com