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Flow at Grade-Break from Mild to Steep Slopes
An empirical equation was determined using dimensional analysis and experimental test data to determine the depth of flow at a grade-break in a rectangular channel where the slope changes from mild to steep. The ratio of the depth of flow at the grade-break to the critical depth of flow was found to depend largely upon the slope of the downstream reach. The ratio reached a minimum of 0.715 when the downstream slope was steep enough to produce clear separation of the flow with an aerated nappe. The upper limit of 1.0 was approached as the downstream slope approached critical.
Flow at Grade-Break from Mild to Steep Slopes
An empirical equation was determined using dimensional analysis and experimental test data to determine the depth of flow at a grade-break in a rectangular channel where the slope changes from mild to steep. The ratio of the depth of flow at the grade-break to the critical depth of flow was found to depend largely upon the slope of the downstream reach. The ratio reached a minimum of 0.715 when the downstream slope was steep enough to produce clear separation of the flow with an aerated nappe. The upper limit of 1.0 was approached as the downstream slope approached critical.
Flow at Grade-Break from Mild to Steep Slopes
Weyermuller, Richard G. (author) / Mostafa, M. Gamal (author)
Journal of the Hydraulics Division ; 102 ; 1439-1448
2021-01-01
101976-01-01 pages
Article (Journal)
Electronic Resource
Unknown
Curved-streamline transitional flow from mild to steep slopes
| Online Contents | 2009
Curved-streamline transitional flow from mild to steep slopes
| Online Contents | 2009