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Transient Analysis of Sudden Pump Shutdown: Experience Gained from the Coyote Springs Project 突然停泵的瞬态分析:从Coyote Springs项目获得的经验
发布日期: 2008-11-01
本powerpoint演示文稿首先简要概述了郊狼泉项目。项目目标包括: 对郊狼泉水进行涌浪分析 水系统,由同步 停电时泵跳闸;确定是否需要缓冲罐, 放置储罐的位置和所需储罐的尺寸; 分析基于30%的初步设计;和 在未来,分析需要随着数据的可用性而改进 新数据。介绍了使用HAMMER V8的瞬态分析,以及 电力系统暂态方程 动量守恒和连续性守恒 Joukowsky方程, 缓解电力供应激增的措施 选择合适的浪涌缓解装置和 调压井的尺寸,以及 HAMMER V8和Surge2008的细微对比。 演示结论表明:根据HAMMER V8的结果,需要安装 一个4200加仑的液压气动缓冲罐,位于BPS-2和 增加28名CAV;有一个 HAMMER V8和 2008年业绩激增; 然而,这是初步的,需要进一步调查以确定 确保情况在不同系统中可重复;而且,灵敏度分析作为瞬态分析的一部分至关重要 分析包括表格、数字。
This powerpoint presentation begins by providing a brief overview of the Coyote Springs Project. Project objectives included the following: perform surge analysis on Coyote Springs Raw Water System, resulting from simultaneous pump trip during power failure; determine whether surge tanks are required, where to place tanks and size of tank required; analysis is based on 30% preliminary design; and, in the future, analysis needs to be refined with availability of new data. Transient analysis using HAMMER V8 is presented, along with transient equations for conservation of momentum and continuity, the Joukowsky equation, surge mitigation measures of selecting appropriate devices for surge mitigation and sizing of surge tanks, and a minor comparison of HAMMER V8 and Surge2008. Presentation conclusions indicate the following: based on HAMMER V8 results, there is a need to install a 4,200 gallon hydropneumatic surge tank at BPS-2 and 28 additional CAVs; there is a significant difference between HAMMER V8 and Surge 2008 results; however, it is preliminary and requires further investigations to ensure situation is repeatable in different systems; and, sensitivity analysis is essential as part of a transient analysis. Includes tables, figures.
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发布单位或类别: 美国-美国给水工程协会
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