45 



40 



{O LAMINAR (1) 

 CD WAVELIKE (2) 

 3 INTERMITTENT (3) 

 • TURBULENT (4) 



AMPLIFICATION FACTOR 

 ,3 „5 7 9 



35 



30 



25 



20 



15 



10 



JLL 



10 



15 

 x/D 



20 



25 



30 



Figure 10 — Measured Flow Regimes on Model 4, 

 Compared with Amplification Factor 



28 



