Return-Path: Received: from [65.33.162.117] (account ) by logan.com (CommuniGate Pro WebUser 4.0b6) with HTTP id 1689647 for ; Fri, 16 Aug 2002 20:50:58 -0400 From: "Marvin Kaye" Subject: Re: [LML] Re: 320 airflow To: lml X-Mailer: CommuniGate Pro Web Mailer v.4.0b6 Date: Fri, 16 Aug 2002 20:50:58 -0400 Message-ID: In-Reply-To: <002901c24583$33d62620$7c07a30c@oemcomputer> MIME-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format="flowed" Content-Transfer-Encoding: 8bit Posted for "George/Shirley Shattuck" : Thanks for your response. I had the thought that the spanwise flow ocurred on the top of the wing in addition to the bottom of the wing. But what you said makes sense considering the wing tip vorteses that rotate off the wingtip trailing edge. Good. Learned something. George > over the wing?>> I think of it like this. The movement of the wing through > the air causes higher pressure on the bottom than on the top. (I won't > start the argument about why this isn't the mechanism that directly creates > lift, but it doesn't. ) The air "tries" to seek the lower pressure on > the top side of the wing. One route is around the outer end of the wing, > hence outward spanwise flow on the bottom of the wing, but inward spanwise > on the top. You should see more spanwise flow at the tip decreasing to > essentially none at the root.