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1)  critical submerged criterion
临界淹没度
1.
Based on the basic principle of mathematics and mechanics, a critical submerged flow for camel hump weirs is studied,and a theoretical formuls of critical submerged criterion (hs/ H0)cr for camel hump weirs is presented.
本文从数学力学原理出发,对驼峰堰淹没流态判别进行探讨,得到了驼峰堰临界淹没度(hs/H0)cr的理论计算式,可供实际工程参用。
2)  critical submergence
临界淹没深度
1.
The researches on the critical submergence were reviewed.
简要介绍了吸气旋涡现象及其分类,从实验、理论和数值模拟三个方面总结了吸气旋涡研究方面的成果,回顾了和吸气旋涡密切相关的临界淹没深度研究的进展情况。
3)  critical submerged
临界淹没
1.
Based upon the basic principle of hydraulics and the critical submerged theory presented,a critical submerged flow for broad crested weirs is studied,and the theoretical formula of critical submerged criterion for broad crested weirs which the results of computation coincide with the present experimental criterion is obtained in this paper.
从水力学基本原理出发 ,利用笔者提出的临界淹没理论 ,对宽顶堰淹没流态判别进行探讨 ,得到了与现行经验判别标准符合良好的宽顶堰淹没标准阀值的理论计算公式 ,可供堰流理论研究和实际工程设计参用 。
2.
Appling the critical submerged theory presented to the research of flow over broad crested weirs,the discharge formula which the results of computation coincide with the present computing method is obtained in this paper.
将笔者提出的临界淹没理论引入宽顶堰流研究,得到了与现行方法计算成果一致的流量计算公式。
4)  critical submergence
临界淹没水深
1.
To avert air-core vortices that can adversely affect the efficiency of the hydraulic machinery,there must be critical submergence at hydraulic intakes.
为了防止进水口前产生吸气漩涡,水电站或泵站进水口前要求有一定的淹没深度,在总结具有代表性的不产生吸气漩涡的临界淹没水深经验公式的基础上,以某水电站进水口为依托开展了模型试验研究,比较了各经验公式在该电站进水口应用中的适用性。
2.
The paper presented an experimental study of the critical submergence of pressure power intakes.
目的在于通过模型试验总结出电站双孔进水口计算临界淹没水深的经验公式。
5)  temporary inundation
临时淹没
1.
Based on a number of investigations and research work,schemes were put forward for treating the temporary inundation of Datengxia reservoir area,especially the temporary inundation of the county seat of Wuxuan, which would limit the selection of flood control storage for Datengxia Reservoir.
经大量的调查研究,对大藤峡库区临时淹没提出处理方案,特别是对制约大藤峡防洪库容选择的武宣县城 的临时淹没提出较为详细的处理方案,同时对大藤峡的临时补偿政策进行了较为深入的研究,并提出切合实际的 成果。
6)  submerged limit
淹没界限
补充资料:临界比例度参数整定法
分子式:
CAS号:

性质:控制器参数整定方法的一种。先在单纯比例作用(P)下,将比例增益逐步增加(亦即将比例度逐步减小),直到被控变量出现等幅振荡为止。此时的比例度称为临界比例度,振荡周期称为临界周期。然后按照一定的公式,由临界比例度和临界周期计算出在采用P.,PI或PID控制算法时应选取的比例增益(或比例度)、再调时间和预调时间的参数值。

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