The Effect of Additives on Fluid Friction 



PRESSURE^-*^--' 

 TAPS X^.^ 



TEST PIPE — 

 0.109-CM 

 INNER DIAM 



-FILLING CUP 



^-AUXILIARY, LARGER DIAMETER 

 FILLING PIPE 



ft^. 



■THREE-WAY VALVE 



lOO-CC HYPODERMIC SYRINGE 



CONSTANT-SPEED (/2-HP MOTOR 



Fig. 17 - Turbulent -flow rheometer 



971 



