原文传递
Penstock Intake Velocity Survey at Glen Canyon Dam, September 2006. Middle River Division, Glen Canyon Unit, Colorado River Storage Project, Arizona-Utah.
| 题名： | Penstock Intake Velocity Survey at Glen Canyon Dam, September 2006. Middle River Division, Glen Canyon Unit, Colorado River Storage Project, Arizona-Utah. |
| 作者： | vermeyen, t. b. |
| 关键词： | intake velocity survey |
| 摘要： | A survey of the actual water currents around unit no. 6 during normal (2600 cubic ft/sec) and high (3600 cubic ft/sec) flows into unit nos 5 and no. 7 at Glen Canyon Dam was performed in September 2006. The strongest horizontal currents were measured at the trashracks of the operational units (no. 5 and no. 7). Under steady flows, the maximum current measured was 1.64 ft/sec at el. 3458.8 ft near unit no. 7 which was withdrawing 3600 cubic ft/sec. For all 4 test conditions, there was at least a 48 ft envelope on either side of the unit no. 6 centerline where velocities were less than 0.4 ft/sec. Current magnitudes quickly dropped with distance from the operating unit's trashrack. Currents decreased to less than 0.4 ft/sec at a distance of 20 ft from the operating intake for high flows (3600 cubic ft/sec). Similarly, currents decreased to less than 0.4 ft/sec at a distance of 15 ft from the operating intake for normal flows (2600 cubic ft/sec). / Availability Note: Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA. |
| 总页数： | u0721；35p |
| 报告类型： | 科技报告 |
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