1、

Numerical simulation of resistance coefficient and experiment research of fire hydrant valve

船用消防阀流阻系数模拟测定方法的探讨

互联网摘选

2、

Although few tens of formulas of calculating frictional resistance coefficient have been summarized in the European and American countries, these formulas still exist in a larger error when applied to the Sichuan gas main.

虽然欧美等国已总结归纳了数十个摩阻系数计算公式,但这些公式应用在四川输气干线上仍有较大偏差。

互联网摘选

3、

Study on Resistance Coefficient of Reeds and Numerical Simulation of Flow in Wetland

芦苇阻力系数物模及湿地水流数模研究

互联网摘选

4、

In the end, the effect of coefficient of aerodynamic drag, rolling resistance coefficient and efficiency of powertrain on fuel economy are analysed.

最后,分析了风阻系数、迎风面积、滚动阻力系数和传动系效率对整车燃油经济性的影响,为ISG-MHV进一步的优化设计提供了依据。

互联网摘选

5、

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

在室外风作用下,天窗局部阻力系数是变数,而不是常数。

互联网摘选

7、

Generally Tire rolling resistance and rolling resistance coefficient decreases when the steady-state speed increases.

轮胎的滚动阻力和滚动阻力系数会随着稳态速度的增大而减小。

互联网摘选

8、

Discusses the streamlines in central plane and presents some expressions for flow rate and resistance coefficient.

讨论了中心面上的流线。给出了流量以及阻力系数的计算式。

互联网摘选

9、

Resistance coefficient of sediment deposition in still water

泥沙静水沉降阻力系数

互联网摘选

10、

Research is mainly carried out for the influences on the fire hose's pressure loss, such as: on-way resistance coefficient, roughness, local resistance coefficient, hose pressure, hose diameter, flow and soon.

主要分析沿程阻力损失系数、粗糙度、局部损失系数、水带压力、水带直径和流量对水带压力损失的影响。

互联网摘选

11、

Application of pressure sensor in testing water pipe resistance coefficient

压力传感器在给水管道阻力系数测试中的应用

互联网摘选

12、

Rolling resistance coefficient; Air resistance coefficient; Coasting test;

滚动阻力系数;空气阻力系数;滑行试验;

互联网摘选

13、

The resistance of surface flow has a reverse relation with Reynolds number. With the same Reynolds number, the resistance coefficient of surface flow is greater than that of laminar flow in open channel and increases with increased bed roughness.

坡面水流阻力与雷诺数的呈反比关系,相同雷诺数条件下,阻力系数比明渠层流阻力系数要大,且随床面粗糙度的增加而增大。

互联网摘选

14、

The relationships for hydro-dynamic parameters ( Reynolds number, Froude number, resistance coefficient and flow velocity) of overland flow as a function of bed roughness, flow discharge and slope gradient were simulated by means of indoor fixed-bed resistance experiments.

在室内试验的基础上,采用定床阻力试验研究了坡面流水力学参数(雷诺数、佛汝德数、阻力系数和流速)随床面糙率、流量和坡度的变化规律。

互联网摘选

15、

The non-dimensional velocity slip and the resistance coefficient fRe decrease with the growth of Kn.

无量纲滑移长度随Kn的增大而减小,阻力系数fRe随Kn减小。

互联网摘选

16、

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.

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。

互联网摘选

17、

The operating temperature effect of heat pipe to total thermal resistance coefficient is not very distinct in the experimental conditions;

在试验范围内,阶梯翅片热管散热器的总热阻随热管工作温度的变化不明显;

互联网摘选

18、

Some conclusion of reducing the resistance coefficient of bottom valve in respect to structure and parameters is presented.

在结构、参数方面得出了一些降低底阀阻力系数的结论。

互联网摘选

19、

A Method of Determining Vehicle Coasting Resistance Coefficient Based on Genetic Algorithms

基于遗传算法的汽车滑行阻力系数测定方法

互联网摘选

20、

And centering on the key parameters of the finite element model of plane bar system for double-row piles, which are earth pressure distribution and elastic resistance coefficient, study is carried out.

并围绕双排桩平面杆系有限元模型的关键参数土压力分布及弹性抗力系数展开了研究,最后编制相应计算程序方便工程设计计算。

互联网摘选

  • 今日热词
  • 热门搜索

英语网英语词典(dict.25820.com)为您提供在线翻译英语词典单词大全英译汉汉译英等英语服务!可按单词字数词义分类查询。支持lj:关键词格式查询例句。

用户反馈
请选择反馈类型(可多选):
您的联系方式:
反馈内容:
提交成功 小编会尽快处理
回到顶部
点击反馈