Page 38 - FF Aid BETA_Neat
P. 38

Factors affecting friction:

              L      Length of hose
              I      Internal surface
              D      Diameter of hose
              S      Speed of water


              Atmospheric pressure at sea level
                             = 101.32 kPa
              kPa            = Head x 10
              1 US Gallon    = 3.8 Litres
              1 PSI          = 7 kPa





















                                   HYDRAULICS
   33   34   35   36   37   38   39   40   41   42   43