42 HYDRAULIC JUMP IN NON-RECTANGULAR CHANNELS 



TABLE 401 

 HYDRAxn-ic Properties of Circular Sections or Pipes Flowing Partly Full 



d = depth of flow 

 D = diameter of pipe 



r = radius of pipe 

 A = area of flow 

 W = surface width 



= total hydrostatic pressure 



= unit weight of water 



= discharge when the flow is critical {Qc in c.f.s., 

 D and d in ft., acceleration of gravity assumed 

 equal to 32.16 ft. per sec. per sec!) 



