It is common knowledge that both fresh water and precipitation have no homogeneous mixture temporally or spatially on the earth planet. Transportation of water from one region to another has always been a part of human existence. The transfer is achieved by water conveyance structures (i.e. channels, pipes, tunnels, galleries, and drains). However, the flow in such structures occurs hydraulically and can be divided into two main classes: (1) pipe flow and (2) open channel flow. There are many

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... blished studies in the current literature on modeling pipe or open canal flows. In this study, following a relevant discussion on existing literature, a new concept of "ideal velocity" is introduced. Furthermore, ideal discharge and Reynolds and Froude numbers, which are currently used in computational hydraulics, are re-modified following the new concept. The simplification of such equations by the new concept will conveniently solve many hydraulic problems, particularly in pipe and open canal manufacturing sectors.