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- On Iteration Algorithms of Uniform Flow Depth and Critical Water Depth in Open Channels 几个常用断面明渠均匀流水深和临界水深的迭代算法
- Calculation on uniform flow depth and critical depth of open channel with iterative method 用迭代法计算明渠均匀流水深和临界水深
- uniform flow depth 均匀流水深
- It is not correct to think of the wind tunnel having uniform flow. 设想风洞具有均匀的气流是不正确的。
- In a uniform flow, the velocity is constant everywhere. 在均匀流动中,速度处处相同。
- The formula of depth in open chanel uniform flow and runoff and the calculating method of optimal hydraulic cross section have been deduced, according to the theory of open chanel uniform flow. 根据明渠均匀流理论 ;推求了抛物线形渠道正常水深与流量的关系和水力最优断面的计算公式 ;得出了水力最优断面水深与抛物线参数的关系为 ah0 =0 .;94673 2。
- Provides more uniform flow of fuel oil to burner for best possible combustion. 提高重油的流动性,取得最佳燃烧效果。
- The wave problem is predicted by adopting panel method based on Kelvin source for a ship traveling in a uniform flow. 摘要采用基于开尔文源的面元法求解航行于均匀流场中的船舶兴波问题。
- The calculation of scour depth around piers is influenced by many factrs and much controvery is about the effect of flow depth. 桥墩冲深计算是桥墩设计中的一个重要方面,而其本身受众多因素影响。
- The vertical velocity distributions in the vegetated channel and the relationship between resistance coefficient and flow depth were measured in laboratory experiments. 摘要通过模型试验测定了渠道中一种高棵、密集分布的植物,在淹没情况下的断面流度分布曲线及糙率和水深关系曲线;
- And then the relationship between the resistane coefficient and flow depth for the vegetations under the unsub-merged and submerged conditions is deduced theoretically. 在这个断面流速分布的基础上,通过理论推导,得到了非淹没和淹没情况下糙率系数的换算关系;
- In this thesis ,the steady performance of ducted propeller in uniform flow is predicted by surface panel method. 本文应用基于扰动速度势的低阶面元法,拟计算导管螺旋桨在均匀流场中的定常水动力性能。
- Sewage pipe flow is hypothesized as single-phase and uniform flow,and we are used to applying the Chezy formulas for designing sewer systems. 目前的污水管道设计是将污水在管道内的流动视为单相均匀流,主要用谢才(Chezy)公式进行水力计算。
- Flow field of a circular cylinder oscillating in a uniform flow or in a wake was investigated using currently modified virtual boundary method. 用虚拟体方法研究了均匀流及尾流中圆柱横向振荡的流动特征。
- In this thesis, the stead hydrodynamic performance of ducted propeller in uniform flow is predicted by lifting-surface method and surface panel method. 本文应用基于扰动速度势的面元法和升力面理论的耦合方法,计算导管螺旋桨在均匀流场中的定常水动力性能。
- The experimental data show that the probe with 3 pairs of orifices and diamond in shape give the ultimate performance and an uniform flow coef. at least over a flow range of 5. 实验结果表明,菱形截面,上游开有3对孔的均速管性能最佳,至少在5倍流率的范围内,流率系数基本不变。
- This paper describes the flow velocity calculation method for natural riverway based on the hydrostatic open channel uniform flow theory and its relative formulas. 为防止河床持续下切造成管道事故,一般对穿越河流的长输管道采取护底措施进行防护。
- Comparison of flow depth on the axis of channel 轴线水深的比较
- It should be a soft uniform flowing iridescent colour over a light body and the fins, without dark or coloured marks. 粉彩斗鱼鱼身、鱼鳍颜色轻柔带有虹晕,没有深色或其他颜色色斑。
- Comparison of flow depth on the left bank 左岸水深的比较