Author(s): Ioannis K. Tsanis; Hans J. Leutheusser

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Abstract: The concepts of onedimensional flow and quasi-uniform flow are employed to derive the fundamental differential equation of gradually varied laminar flow in open channels. The equation is solved for the particular case of rectangular conduits; and the analytically predicted surface profiles in channels of mild, zero, and adverse slopes are compared with experimental observations.

DOI: https://doi.org/10.1080/00221688609498542

Year: 1986