Aerodynamics of a Lifting System in Extreme Ground Effect - download pdf or read online

By Kirill V. Rozhdestvensky

This ebook is devoted to the reminiscence of a uncommon Russian engineer, Rostislav E. Alexeyev, who was once the 1st on this planet to improve the biggest floor impact desktop - Ekranoplan. certainly one of Alexeyev's layout thoughts with the aerodynamic configuration of a jlying wing will be visible at the entrance web page. The publication provides an outline of a mathematical version of circulation earlier a lifting procedure, acting regular and unsteady motions in shut proximity to the underlying stable floor (ground). this situation is attention-grabbing for sensible reasons simply because either the aerodynamic and the commercial potency of the approach close to the floor are such a lot suggested. Use of the tactic of matched asymptotic expansions permits closed shape ideas for the aerodynamic features of the wings-in-ground impact. those can be utilized for layout, identity, and processing of experimental facts during constructing floor influence autos. The time period severe floor impression, customary via­ out the e-book, is linked to very small relative floor clearances of the order of 10% or much less. the idea of a lifting floor, relocating in speedy proximity to the floor, represents one of many few restricting instances that may be taken care of analytically. the writer want to recognize that this paintings has been inspired via the information of Professor Sheila E. Widnall, who used to be the 1st to use the matched asymptotics strategies to regard lifting flows with the floor impact. Saint Petersburg, Russia February 2000 Kirill V. Rozhdestvensky Contents 1. advent. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Aerodynamics of a Lifting System in Extreme Ground Effect by Kirill V. Rozhdestvensky

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