Sliplining Flow Calculator - Hobas Pipe USA

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Sliplining Flow Calculator - Hobas Pipe USA Powered By Docstoc
					                                        Hydraulic Calculator
Manning's Equation for Open Channel Flow:
                                                          1 . 49
                                                Q = (            )×   A×R           ×
                                                                              2/3           1/2

                                                             n                          S
Solved for Two Simultaneous Pipe Conditions, on the Same Slope:

                                                      Q1    n       D
                                                         = ( 2 ) × ( 1 )8 / 3
                                                      Q2    n1      D2
Insert Your Conditions:

           n1         Manning's coefficient of the liner pipe         0.009
           n2         Manning's coefficient of the host pipe          0.015
           D1         Inside diameter of the liner pipe               42.50         inches
           D2         Inside diameter of the host pipe                48.00         inches

Relative Flow:


       Q1 / Q2 =                                          1.20



Flow Capacity Recovery*:

                  =                                       120%

                      * Flow capacity recovery over 100% is an increases in the flow capcity of the pipeline

				
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posted:10/21/2011
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