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Boundary layer flow under a peripheral jet in forward flight

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26 the flow in the boundary layer to attain a local maximum velocity at some station downstream. Further downstream where D…
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27 in the boundary layer to attain a local minimum at some station down- stream. Further downstream where U < Uo the shear…
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28 We now seek an initial boundary layer thickness at the point A(xA = a.71t) by assuming that Glauert's solution16 to…
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29 From equations (V-14) and (V-15) the following table may be constructed, a = 0 UyG. J S- ~7(-. 0.0 5 . 86 ~ J).2.…
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30 CHAPTER VI DISCUSSION The flow in the immediate vicinity of a two-dimensional peripheral jet platform in forward flight…
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31 3) The sealing capacity of the rear jet 4) The parasitic vortices 5) The wake pressure The present work is concerned…
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32 4) The existence of the parasitic vortices decreases the base pressure from that predicted by an inviscid analysis to a…
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33 for any given wall speed Do' In case the pressure gradient of the external inviscid flow is zero, a closed form…
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34 implies boundary layer separation in the classical boundary layer flow. The velocity profile appears, ~ I I .il or…
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35 CHAPTER VII REFERENCES 1. Poisson-Quinton, Ph., "Two-Dimensional Studies of a Ground Effect Platform,"…
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36 APPENDIX In this Appendix, the singular point of equation (V-II) where f2 + 2a af::l. = 0 will be discussed. 2 a-a.2…
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37 a negative value a 2 -co' then gradually approach zero as x increases. The function ~ is a monotonically increasing…
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38 is determined by the manner in which the flow is accelerated upstream. :2 ULJ'I The non-dimensional quantity UJ2 at…
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to continue the integratLon of equation (V-II). This can only be done through appropriate physical considerations. 39 It is…
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1,---------1 e. Uo FIGURE 1. A Flow Picture of a Peripheral Jet Platform in Forward Flight h
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'I / Uj f_ /tJ g 'P, / t, / / / '" '1 / / 'Pb h .......... .,/ --- v b ---r .A…
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o !:J , , m <.D lC) - d I " ---0 ""-" -... 0 LL "'~ ~N '--' o~…
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1.0 ... - Ll' ... ... Lf'I .5 (t~Fz';{O )=0.02234 (iJtF;~ (0)= 0.0 1040 10 5 'T] =,(a ~ 15 .…
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.... ., ~ t\J .. ~N u!' (\j 10 5 5 (2.)i ~;( 0 )= 1.2596 l21Z F3/~( 0)= 3.0640 10 'TJ =,{2. ~ FIGURE 5…
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o C\.J ££ -Y" ,.:J LO o - '~ ~ r:1 o . ..-{ +J o I:i :;:l r""-l CJ.J ES 45
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46 1.0 0 .8 )( lLLN .6 .... ILC ~ .4 f~ - .2 ~ o .2 .4 .6 .8 1.0 ? FIGURE 7. The Functions Fa) Fl and F2
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A _ _ B LO t- r - /' ~ J y .- /' I R lUi u\' t :::> J '" I Pb :::> I b //…
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48 Co2 c, to 40 Or-------------~----~~----~----------- I - -5 FLOW PATH FIGURE 9. The Singular Curves Cl and C2
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2.4 '.6 ~ ::>I~ 8 ::::l ::, • C\I 49 II O~--r-----~--_Cr4~--~~~~----J- <5 I -.8 -1.6 -2.4 I ao…
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46 1.0 0 .8 )( lLLN .6 .... ILC ~ .4 f~ - .2 ~ o .2 .4 .6 .8 1.0 ? FIGURE 7. The Functions Fa) Fl and F2
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