TECHNICAL PAPERS
Oct 1, 1991

Solution of Three‐Constraint Entropy‐Based Velocity Distribution

Publication: Journal of Hydraulic Engineering
Volume 117, Issue 10

Abstract

A two‐dimensional velocity profile based upon the principle of maximum entropy (POME) for wide open channel flows is presented. The derivation is based on the conservation of mass and momentum. The resulting profile involves three parameters that are determined from observations of mean velocity and the velocity at the water surface. The velocity profile is verified using field data in a river with a live bed. A comparison with three existing methods shows that the profile presented is the most accurate of the three, especially near the bed.

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References

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Chiu, C. (1987). “Entropy and probability concepts in hydraulics.” J. Hydr. Engrg., ASCE, 113(5), 583–600.
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Go to Journal of Hydraulic Engineering
Journal of Hydraulic Engineering
Volume 117Issue 10October 1991
Pages: 1389 - 1396

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Published online: Oct 1, 1991
Published in print: Oct 1991

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Authors

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D. E. Barbé
Asst. Prof., Dept. of Civ. Engrg., Univ. of New Orleans, New Orleans, LA 70148
J. F. Cruise
Assoc. Prof., Dept. of Civ. Engrg., Louisiana State Univ., Baton Rouge, LA 70803
V. P. Singh, Members, ASCE
Prof., Dept. of Civ. Engrg., Louisiana State Univ., Baton Rouge, LA 70803

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