A computer program for open channel design

ABSTRACTA COMPUTER PROGRAM FOR OPEN CHANNEL DESIGN.ÖZCAN, AtillaM.Sc. in Civil Eng.Supervisor: Asst. Prof. Dr. Mustafa GünalSeptember 2005, 67 pagesIn this thesis a computer program (ChannelProfiler) is developed in Visual Basic forcalculating some parameters of steady-uniform flow in open channels. This program is able tocalculate the parameters such as flow area, wetted perimeter, critical depth, critical slope, topwidth, velocity, velocity head, specific energy, Froude number, Reynolds number and frictionfactor for three types of open channel cross-sections. These sections are rectangular,trapezoidal and triangular.The program is able to calculate the above mentioned parameters by solving three differentformulas. These are Manning, Darcy Weisbach and Hazen Williams formulas.Another future of this program is to calculate the water surface profile in the open channel forthe given discharge and slope. The longitudinal distance that the water surface profile will beplotted, is determined by the user.The program which is developed in this thesis can be used to help engineers who deal withopen channel design such as irrigation and drainage channels.Key Words: Open channel, steady flow, uniform flow, open channel design and water surfaceprofile.