Development of hydraulic calculator for flow calculation through Notches, Weirs and Orifices in Agricultural Water Management

Abstract To simplify the calculations Hydraulic calculator which is a C programme is developed for 10 different flow measuring devices viz. Rectangular Notch or Weirs, Suppressed Rectangular Weirs, Contracted Rectangular Weirs, Triangular Notch or Weirs, Trapezoidal Notch or Weirs, Broad-crested Weir, Stepped Notch, Large Rectangular Orifice, Fully Submerged Rectangular Orifice and Partially Sub-merged Rectangular Orifice Accurate measurement of irrigation water permits intelligent use of this valuable natural resource. Flow calculation is the determination of the quantity of water that passes through a pipe, conduit or open channel. The calculator was developed for above 4 flow measuring devices using C language Version 3.0 Turbo c++ copyright (c)1990, 1992 by Borland International was developed.