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P. 241

The  Practical  Pumping  Handbook   ~-   ...........................   ----J--- .............. -  ...................


        The  brake  horsepower  required  for  pumping  the  viscous  liquid  will  be
        as shown  below


                                  750  x  100  x  0.9
                         BHPvis.  =   3960  x  0.515   =  33.1bhp



        To  show  the  viscous  performance  over  a  wider  range,  the  same
        calculations  can  be  made  at the  other  values  of CH.  Thus  providing  the
        kind  of information  shown  on  Figure  13.5,  which  can  then  be  plotted
        on  the  characteristic  pump  curve  showing  the  variation  in  performance
        as on  13.6.



















































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