DIAMETERS (INCHES): 

 CORRES. SYMBOL: 



3 2.5 2 1.75 

 o A n 



1.5 1.25 1 0.75 0.5 

 • A ■ ♦ + 



pUjd 



100° 



80° 

 60° 

 40° 



20° |- 

 0° 

 20° 



I r 



"1 1 1 r 



J I L 



4-0 r^^ r 



3.0 



2.0 



1.0 



"1 1 r 



A 



o 



o 



1 



o 



h \ 



\ 



^*-«-k'-;»-j»>-j 



-♦^"- 



■ + — +- 



^ ^^^^_/-l-*-/-V# ♦--r^ +-+ + ^. 



J 1 \ I I 



"1 r 



- + 



J L 



J L 



J L 



20 



40 



60 

 U,J/d 



80 



100 



120 



Figure 16. Variations of the magnitude and phase of the maximum force 

 on cylinders. 



29 



