前池
- forebay
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分析表明,水位调节模式下调节系统的稳定条件容易满足,稳定域很大,前池时间常数Tq大的更有利于调节系统稳定。
The results show that the water-level controlling system has wide stable domain and stable condition is easy satisfied and the domain is larger when the forebay time constant Tq is bigger .
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由于前池长度足够长,总体来说,前池水流较平顺;PIV技术就是采用粒子跟踪技术来测定流场的速度及其它运动参数的。
Because of the enough length of forebay , in general , the flow in the forebay is smooth . PIV ( Particle Image Velocimetry ) is to use particle tracking to measure flow speed and other motion parameters .
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视交叉前池越小,ICA眼段内侧面暴露的面积越少。
The less the size was , the less the exposed area of ophthalmic segment of ICA was .
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结果(1)CPA包括三个脑池:桥脑前池、小脑桥脑池,小脑延髓池。
Results ( 1 ) The CPA includes three cisterns : the prepontine cistern , the cerebellomedullary cistern , the cerebellopontine cistern .
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建立了整定水位PID调节器的控制模型,优化变速泵控制前池水位变化系统的动态品质。
Though setting up the model to calibrating the level control parameter PID , the system dynamic performances is optimized in regulating the upper pool water level by variable speed pumps .
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基于NS方程和标准的kε紊流模型,采用交错网格系统,对泵站前池底坎整流的流动进行数值模拟。
Based on the solution of the Navier Stokes equations and the standard k ε turbulent model , numerical simulation on flows through the sill applied for the sump of the pumping station has been carried out by use of the staggered grid system .
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利用GAMBIT软件完成对前池和进水流道的三维实体造型,并在网格剖分过程中采取局部加密技术来提高网格质量。
The three dimension entity model of forebay and passage was set up using GAMBIT . And in the process of mesh generation , local refinement was done to improve the quality of the grid .
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利用3D-PIV技术,对前池的部分空间区域的流场进行精确测量,获得了可靠的试验数据。
With the technique of the 3D-PIV , flow field in the part of the space of forebay is measured accurately and the reliable measurement data is acquired .
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侧向进水前池水流特性的试验研究
An Experimental Study on Flow Patterns in the Forebay with Side-intake
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水泵起动过程中泵站前池水位降落值的分析
Analysis on forebay water level depression during starting of pump station
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闸站枢纽进水前池三维流动计算与研究
Numerical Simulation of 3D Flow for Forebay of Combined Sluice-Pump Station Project
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多泥沙水源泵站前池的调查分析
Investigation on and analysis of Forebays of pumping stations intake sediment-carried water
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大型泵站前池水流流态的模拟
Simulation on the Flow Pattern in Diffusion Channel of Large Pump Station
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引水式电站前池垂直进水虹吸口的设计
Design of Vertical Siphon Inlet of Canal Type of Power Plant Front Chamber
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用蒙特卡罗方法计算泵站前池泥沙淤积
Calculating the Sediments in the Forebay of Pumping Station by Monte Carlo Method
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泵站复杂前池内的流态改善研究
Study on improving flow pattern of the complicated forebay of a pumping station
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大型泵站前池非定常平面流态模拟
Giant Pump Station Front Tank Two-dimensional Nonsteady Flow Field
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污水泵站前池浑水模型试验研究
Sediment model test and Research on the forebay of a sewage pumping station
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无前池泵站进水系统优化试验研究
Optimization Experimental Study on Water Intake System in Pump Station Without Afront Pond
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污水泵站前池防淤措施的研究
Research on Measures to Prevent Sedimentation in the Forebay of a Pumping Station
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大型污水泵站前池进水流态的研究
Study on the flow status in the inlet pool of a large pumping station
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水电站压力前池容积研究
Research on the forebay volume of hydropower station
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景德镇火电厂排水电站前池基础排水处理
Forebay foundation drainage treatment of tail water power station of Jindezhen thermal power plant
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数值模拟结果表明,前池出现了脱流现象。
The results of numerical simulation show that flow separation phenomenon occurs in the forebay .
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江心戽头取水工程中取水前池的设计
Design on Intake Front Pool in the Process of Bucket Diversion in Center of River
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正向进水前池水流逐步扩散,流态良好。
Flow in the front inflow forebay spreads smoothly and gets a good flow pattern .
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甩负荷后压力前池的水流特性及输排沙的试验研究
The experimental study of flow characteristics and sediment transport in pressure forebay after the load rejection
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分析了变速泵控制前池水位的自动调节系统,建立其控制调节的数学模型;
Investigate the automatic control measures on regulating the upper pool water level by variable speed pumps .
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非完整河渠附近地下水运动规律探讨水电站引水渠道及前池设计规范
Discussing on Groundwater Flow Near Partially Penetrating River ; Code for design of hydropower headrace and forebay
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引黄入晋工程变速泵控制前池水位的调节模型
Mathematical Model for Water Stage Regulation with Variable-speed Pump in Diversion Project from Yellow River into Shanxi Province