The book On Jets Produced By Conical Nozzles was written by author Ignace I Kolodner Here you can read free online of On Jets Produced By Conical Nozzles book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is On Jets Produced By Conical Nozzles a good or bad book?
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:vWj #J -. tf^'i - 22 - (15) mR R + sR + (2^ - ST' )R^ + q' = 0. It is Immediately verified that R = R is a solution of '' o (15) and we shall now show that any solution of (15) v;hich gets close to R performs damped oscillations about R, In a t_ interval where R(t) is monotonic, a unique inverse t(R) is defined. Introducing u(R) defined by (16) u(R) = R(t(R)) one gets from (15) a first order equation for u. (17) u' = - + su + ( m' ST' )u' mu The point R=R, u=0 is a singular point of this equat...ion, and an easy verification shows that it is, pro- vided that assumption (lU-) holds, a vortex point. Con- sequently, the solutions of (1?) near R = R, u = spiral about this point, see fig. 5» The reinterpretation of this "phase space" diagram in the "physical space" leads to damped oscillatory motion. locus u'=0 u'0 Fip;ure 5 Since R satisfies a non-linear equation, its "period" (time elapsed between two successive maxima) and its "half time" depend on initial data. One obtains an estimate of - 25 - the period and the half time by assuming a motion of small amplitude and linearizing the differential equation.
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