WOLF ENERGY SA
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Engineering & Technology

 

LAWS OF RESISTANCE

MAIN FEATURES

  • Selection of an unlimited number of channels for each analysis
  • Description of each channel layout (cross section shape, cross section dimensions, slope, etc.) and characteristics (wall roughness, etc.)
  • Investigation of an unlimited number of formulations
  • Definition of non-dimensional quantities (cross section shape, relative roughness, Reynolds number, resistance coefficient)
  • Definition of non-dimensional functions (implicit, explicit, polynomials, etc.)
  • Computation of resistance coefficient (Chezy) according to different theories by several authors (Colebrook Marchi, Gauckler Strickler, Manning, Bazin, Kutter, Butera Sordo, etc.)
  • Comparison of results with available field data
  • Visualisation of results
  • Suitable for designing and testing

OPTIONS FOR IO OPERATIONS

  • Microsoft Excel Spreadsheet Files (xlsx)

OPTIONS FOR GRAPHICS 

  • Standard Image Formats (jpeg, tiff)
  • Portable Document Format (pdf)

TEST CASES

Figure 1 shows how resistance coefficients are typically related to Reynolds number and relative pipe roughness.

Figure 1. Chezy resistance coefficient (Y-Axis) versus Reynolds number (X-Axis).

DELIVERABLES


User's Manual

PDF