Figure 
8 
Ming-Shun Chang 
BLOWER RPM 
RPM 
RPM 
DIRECTION PERIOD 
16 SEC 
1A SEC 
RPM 3D) SEM 
RPM 16 
RPM Ww 2/57 Se4 
RPM 16 SFE 
Gee 
-1.0 -0.5 -0.0 0.5 1.0 
Measured directional spectra of 1.6 sec. period waves 
only, with array parallel to West bank 
1356 
