File:HY8image21.jpg: Difference between revisions
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Straight drop structures. | Straight drop structures. | ||
Variables from the figure | |||
* y<sub>c</sub> — Critical depth | |||
* h<sub>0</sub> — Drop from crest to stilling basin floor | |||
* h — Vertical drop between the approach and tailwater channels | |||
* y<sub>1</sub> — Pool depth under the nappe | |||
* y<sub>2</sub> — Depth of flow at the tow of the nappe or the beginning of the hydraulic jump | |||
* y<sub>3</sub> — Tailwater depth sequent to y2 | |||
* L<sub>1</sub> — Distance from the headwall to the point where the surface of the upper nappe strikes the stilling basin floor | |||
* L<sub>2</sub> — Distance from the upstream face of the floor blocks to the end of the stilling basin | |||
* L<sub>3</sub> — distance from the upstream face of the floor blocks to the end of the stilling basin | |||
* L<sub>B</sub> — Stilling basin length | |||
Latest revision as of 15:40, 1 November 2017
Straight drop structures.
Variables from the figure
- yc — Critical depth
- h0 — Drop from crest to stilling basin floor
- h — Vertical drop between the approach and tailwater channels
- y1 — Pool depth under the nappe
- y2 — Depth of flow at the tow of the nappe or the beginning of the hydraulic jump
- y3 — Tailwater depth sequent to y2
- L1 — Distance from the headwall to the point where the surface of the upper nappe strikes the stilling basin floor
- L2 — Distance from the upstream face of the floor blocks to the end of the stilling basin
- L3 — distance from the upstream face of the floor blocks to the end of the stilling basin
- LB — Stilling basin length
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | ★ Approved revision 16:02, 3 November 2007 |  | 560 × 739 (42 KB) | Eshaw (talk | contribs) |
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