TABLE 1 - DIMENSIONS OF SMALL, LARGE, AND EXTRA LARGE 

 TOWING TANKS 1 ' 2 





Small Tank 



Large Tank 



Extra Large 

 Tank 



Width in meters 



Mean Water Depth in meters 



6.09 

 3.555 



12.5 

 6.268 



24 

 12 



TABLE 2 - WIGLEY PARABOLIC MODEL (TAMURA MODEL M1719) 



Length between Perpendiculars in meters 



8.000 



Length of Waterline in meters 



7.984 



Beam in meters 



0.800 



Draft in meters 



0.500 



Volume in meters 



1.422 



Wetted Surface in meters 



9.408 



Block Coefficient 



0.4453 



Prismatic Coefficient 



0.6680 



TABLE 3 - COMPARISONS OF MEAN-SPEED INCREMENT, COMPUTED BY 

 NUMERICAL RESULTS AND BY PRESENT FORMULA FOR 







F L = 0.4* 





Exact Numerical Results Equation (9') 



Tank 



u /U 

 o 



u/U 



Au/U = (u-u )/U 







Au/U 



Small 

 Large 



0.017198 

 0.017198 



0.030514 

 0.019425 



0.0133 

 0.0022 



0.0128 

 0.0029 



*Results of extra large tank were used to compute u 

 as discussed in text. 



