Effect of Channel Shape on Gradually Varied Flow Profiles

by Nagar S. Lakshmana Rao, (A.M.ASCE), Prof.; Civ. & Hydr. Engrg. Dept., Indian Inst. of Sci., Bangalore, India,
Kalambur Sridharan, Res. Fellow; Civ. & Hydr. Engrg. Dept., Indian Inst. of Sci., Bangalore, India,


Serial Information: Journal of the Hydraulics Division, 1971, Vol. 97, Issue 1, Pg. 55-64


Document Type: Journal Paper

Discussion: Jain Subhash C. (See full record)
Closure: (See full record)

Abstract: An analysis of gradually varied flow profiles with Froude number as a reference parameter is made. Generalized nondimensional varied flow profiles of the M and S types are computed for 56 channel shapes covering a wide range of rectangular, trapezoidal, triangular and parabolic channels. The computation results are presented in a summarized form taking the nondimensional profile length as the characteristic parameter. The effect of channel shape and Froude number on the varied flow profiles are studied. The figures presented can be used to obtain a rapid estimation of profile lengths for the channel shapes considered.

Subject Headings: Flow profiles | Gradually varied flow | Channel flow | Froude number | Parameters (statistics) | Paraboloid | Computing in civil engineering

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