From: email@example.com (Steve D. Podleski) Organization: whoknows Date: 10 Jun 96 12:22:18 References: 1 2
View raw article or MIME structure
firstname.lastname@example.org (Mark Drela) writes: [email@example.com.TU-Berlin.DE (Burkhard Domke) writes: [|> The flow of engines pod-mounted beneath a wing counteract the [|> circulation of the wing, thus reducing lift, whereas engines mounted [|> above the wing would enhance lift. [ [Careful here. You cannot relate the lift directly to the circulation if [blowing is used. The derivation of the Kutta-Joukowsky relation between [lift and circulation... [ [ Lift/span = rho V Gamma One may not be able to use Kutta-Joukowsky to predict lift with blowing but blowing does increase lift whether below or above the wing if the blown air is redirected downward.