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unit flow rate
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     The relation between pressure and flow rate in GPCM control valve is studied, and the numerical simulation is carried out. The regularity about pressure distribution and unit flow rate of GPCM valve is achieved.
     对GPCM控制阀内部的压力与流量之间的关系进行理论研究,并对它进行了流场的仿真研究,得到了阀节流口压力变化与基元流量之间的关系。
短句来源
     The regularity about pressure distribution and unit flow rate of GPCM valve was achieved. It is useful to optimize the structure of GPCM valve, and reduce the energy loss.
     研究结果有助于在设计GPCM控制阀时使结构优化,降低阀内部能耗与噪声,提高性能
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  相似匹配句对
     ADVANCES IN STUDY ON FLOW UNIT
     流动单元研究进展
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     New Test UnitFlow Relay
     一种新的检测元件——流量继电器
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     The unit rate of seepage flow is calculated by FEM method.
     用有限元方法对渗流量进行了计算。
短句来源
     Flow Calculator
     流量演算器
短句来源
     Flow in slower:
     流动较慢时流动较快时
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  unit flow rate
The laminar mode has turned out to be most important and interesting in creating a new generation of gas-turbine power plants distinguished by high efficiency (~60%) and specific power per unit flow rate of air (~1 MJ/kg).
      
The same power per unit flow rate, or inlet area, is therefore achieved but over a shorter length.
      
The drainage layer should be able to convey the design unit flow rate at the roof grade without water ponding on top of the cover medium.
      
If flow converges near drains and gutters, the design unit flow rate should be increased accordingly.
      


Shanxi Province Wanjiazhai Yellow River Diversion Project is the largest scale,long distance water feeding works in the water projects constructed of our country,specially in the aspects of the total installation capacity,the total lift,the unit flow rate and the motor capacity.The purchasing works of the 15 pump mote sets and SFC equipments have been carried out through the international bidding by using loan of the word bank.The first stage of the project has been completed the 72 hours precommissioning...

Shanxi Province Wanjiazhai Yellow River Diversion Project is the largest scale,long distance water feeding works in the water projects constructed of our country,specially in the aspects of the total installation capacity,the total lift,the unit flow rate and the motor capacity.The purchasing works of the 15 pump mote sets and SFC equipments have been carried out through the international bidding by using loan of the word bank.The first stage of the project has been completed the 72 hours precommissioning in October,2002.This article mainly introduces some of experiences about selection of pump motor type and parameters and international bidding,it can be as reference for other diversion project in the future.

山西省万家寨引黄工程是目前我国已建引水工程中总装机容量、水泵总扬程、水泵单机流量和电动机单机容量均最大的大型远距离跨流域梯级调水工程。第一期工程安装的 15台套大型水泵电动机组、变频运行装置等采用世界银行贷款国际招标采购。 2 0 0 2年 10月 ,一期工程竣工并顺利实现全线 72h试通水运行。本文主要就大型泵组的型式参数选择和国际招标情况进行总结和介绍 ,供今后其它调水工程设计参考。

The generalized pulse code module (GPCM) control valve is a type of combination valve, and each flow control unit is connected together by mono-block. To precisely control output flow rate of GPCM valve, it is essential to study the characteristic of fluid in flow path of integral block. The relation between pressure and flow rate in GPCM control valve is studied, and the numerical simulation is carried out. The regularity about pressure distribution and unit flow rate of GPCM valve is achieved. It is...

The generalized pulse code module (GPCM) control valve is a type of combination valve, and each flow control unit is connected together by mono-block. To precisely control output flow rate of GPCM valve, it is essential to study the characteristic of fluid in flow path of integral block. The relation between pressure and flow rate in GPCM control valve is studied, and the numerical simulation is carried out. The regularity about pressure distribution and unit flow rate of GPCM valve is achieved. It is useful to optimize the structure of GPCM valve, and make the GPCM valve has precision for flow control.

广义脉码调制(GPCM)控制阀是一种组合形式的阀,各基元通过液压集成块连接到一起。流体在液压集成块流道内的运动分布规律是研究液压阀流量控制的关键之一,它决定了GPCM控制阀流量控制的精确度。对GPCM控制阀内部的压力与流量之间的关系进行理论研究,并对它进行了流场的仿真研究,得到了阀节流口压力变化与基元流量之间的关系。研究结果有助于GPCM控制阀时使结构优化设计,使GPCM控制阀具有较好的流量控制精度。

The generalized pulse code modulation (GPCM) control valve is a type of combination valve, and each flow control unit is connected together by mono-block. To precisely control output flow rate of GPCM valve and decrease hydraulic energy loss, it is essential to study the characteristic of fluid in flow path of integral block. The relation between pressure and flow rate in GPCM control valve was studied, and the numerical simulation was carried out. The regularity about pressure distribution and unit flow...

The generalized pulse code modulation (GPCM) control valve is a type of combination valve, and each flow control unit is connected together by mono-block. To precisely control output flow rate of GPCM valve and decrease hydraulic energy loss, it is essential to study the characteristic of fluid in flow path of integral block. The relation between pressure and flow rate in GPCM control valve was studied, and the numerical simulation was carried out. The regularity about pressure distribution and unit flow rate of GPCM valve was achieved. It is useful to optimize the structure of GPCM valve, and reduce the energy loss.

广义脉码调制( GPCM)控制阀是一种组合型式的阀,组成的各基元通过液压集成块连接到一起。流体运动在液压集成块流道内的分布规律是研究液压阀流量控制与节能的关键之一,流体在流道内的分布规律决定流体能量损失的大小。利用计算流体力学( CFD)对GPCM控制阀进行了流场的仿真研究,得到了阀内部压力变化与基元流量之间的关系。研究结果有助于在设计GPCM控制阀时使结构优化,降低阀内部能耗与噪声,提高性能

 
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