局部阻力系数

新型建筑构造铝电解厂房内隔墙局部阻力系数的实验研究

Experiment on coefficient of local resistance for perforated interior walls in a new-style aluminum potroom

急流滩水面线计算的局部阻力系数研究

On Local Resistance Factor in Calculation of Water Surface Profile of Rapids Reach

对1000MW级大型汽轮发电机冷却系统进行了研究，给出了转子绕组本体部分各匝导体通风道的局部阻力系数和沿程阻力系数的计算方法。

This paper studied the rotor winding ventilation of a 1 000 MW inner cooled turbine generator . The methods to calculate the friction loss and minor loss coefficients of each turn vent of rotor coils were provided .

管道突然扩大局部阻力系数初探

Preliminary Investigation of Local Loss Coefficient at Sudden Expansion of Pipe

室内消火栓与孔板组合局部阻力系数的测定

Measurement of Local Resistance Coefficient of Indoor Water Hydrant and Orifice Component

阶梯式浇注系统局部阻力系数测定

Measurement of Local Resistance in the Step - Gate System

带调节阀片分流四通局部阻力系数实验研究

Experimental Study of Local Resistance of Divided-Flow Adjustable-Cross

管道相交处的局部阻力系数通常由实验确定。

The local resistance coefficient at intersecting pipes corner is determined usually by experiments .

对管路渐扩段局部阻力系数的探讨

Study on local loss coefficient of diffuser

局部阻力系数查询软件介绍

New software for inquiry local resistance coefficient

在室外风作用下，天窗局部阻力系数是变数，而不是常数。

The partial resistance coefficient of skylight under the action of wind pressure is a variable .

在管道设计中，经常遇到局部阻力系数确定的问题。

During the design of pipe , the determination of local loss coefficient is often come across .

设计了发动机台架试验的方案和局部阻力系数的测定方案等。

The schemes of engine mapping and determining plan of the resistant coefficients of parts of areas were designed .

定温变流量温控阀局部阻力系数试验研究

An experimental study on the partial resistant coefficient of the control valve under fixed temperature and varied flow quantity

以分布参数法确定低雷诺数局部阻力系数

T invariant estimate of location parameter Determination of Local Resistance Coefficient at Low Reynolds Number Using Distributed Parameter Method

通过实验，研究了组合后局部阻力系数ζ值的变化规律；

In the experiment , the varying law of local resistance factor (ζ value ) has been studied after combination .

指出阀门的局部阻力系数不仅与开度有关，还与管径密切相关；

It is pointed out that the some obstruction coefficient of the valve relates to the opening degree and pipe diameter .

本文用新理论和以往典型理论及实验模型中的实测值进行了比较，发现不同的局部阻力系数（？）

This paper compares the new theory of elctrostatic precipitator with typical established theories and the efficiency values obtained from model precipitators .

结果表明内隔墙的局部阻力系数与其所用的材料和开孔率关系很大，而与通过气流的风速关系很小。

The results indicate that the materials and open pore ratio have obvious effects on the coefficient , and the air velocity has little effect .

试验结果表明，控制三通及各上升管的局部阻力系数，可以实现上升管流量不均匀分配。

The test results show that by controlling the T-junction and riser tube 's resistance coefficients , the unbalanced riser flow distribution has been achieved .

介绍了定温变流量温控阀局部阻力系数的测定方法和试验研究结果。

The testing method was introduced with the result of the experiment for the partial resistant coefficient of the control valve under fixed temperature and varied flow quantity .

通过理论分析提出了新的局部阻力系数经验公式，利用水槽实验资料确定了公式中的系数。

A new kind of empirical equation for determining local resistance factor was set forth based on theoretical analysis , the coefficients in which were obtained by flume test .

然后再根据试验结果，提出不同流动情况下的转弯局部阻力系数的计算公式。

And then , based on the results of experimental data , the authors propose a set of equations for calculating the pressure drop coefficient in angle pipes under different flow conditions .

增加了管网节点与管段连接形式的识别模块，省去了节点局部阻力系数的输入，不仅提高了输入效率，而且提高了计算精度。

Add the identify module of node linking pipe segment on network , leave out the inputing of node local resistance coefficient . Not only advance the efficiency of input , but also the precision .

具体分析了不同通风竖井间距、通风竖井出口局部阻力系数变化和隧道区间是否设置隔墙等因素对区间内实际通风排烟效果的影响，最后给出了一些建设性的结论。

Analyses the effect of the space between ventilation shafts , local resistance coefficient of ventilation shaft and the existence of partition wall in tunnel on the smoke control efficiency , and obtains some constructive conclusions .

实验测定了多孔砖墙与固定格栅的局部阻力系数，同时也测定了可替代多孔砖墙的单层百叶的局部阻力系数。

The local resistance coefficient of the perforated wall and the fixed fins are determined as well as the resistance of single & blind outlet , which is the substitution of the perforated wall if needed .

提出了利用网络法计算求解变风量系统中环状风道的水力特性，构造了三通关联矩阵，以解决模拟计算中三通局部阻力系数的计算问题。

Presents the application of network method to analyse the hydraulic characteristics of looped ducts in the VAV system and builds up a tee branch incidence matrix to calculate the local resistance factor of tee branch duct .

通过模拟计算，得到不同缝隙高度下渗透空气量与缝隙两侧压差的函数关系式，以及流量因数、缝隙局部阻力系数与缝隙几何特性量的函数关系式。

Based on CFD simulation calculation , obtains the relationships between air infiltration flux through cracks with different height and pressure difference , and those between flux coefficient , local resistance coefficient and geometry property of the crack .

对于局部阻力，则借用气-固两相流动的局部阻力系数计算公式。

For local resistance , the formulas were given according to the knowledge of gas-solid two-phase flow .