The distribution of particle concentration in pipe is unequality and the unequality degree varies with the cent of volume and regime flow; 颗粒在管内的浓度分布是不均匀的,随颗粒的体积分率和流型的变化而变化;
Based on fore theory and some tentatives, theory about distribution of water velocity in pipe of arcuate section is researched. 对固定床水平管道断面的紊流速度分布进行研究。
Demonstration on the Relation of the Heat Exchanger and the Temperature Distribution of Pipe in Line of Room Air Conditioner and the Performance of Air Conditioner; Analysis of Restart Characteristics of Hot Oil Pipeline and Temperature down the Pipeline 窗式空调器的换热器及沿程管路温度分布与其性能的关系热油管道再启动管路特性及沿程温度分析
Numerical Analysis for Internal Flow on the Stress of Free Spanning Subsea Pipeline with Hinged Support; Microscope Observation of the Microbial Distribution on the Wall of Different Pipe Material in Water Supply System 内流对海底悬跨管线管壁应力影响的数值研究供水管网不同管材内壁微生物分布的显微观察
The results indicate that the stress distribution of pipe, branch and reinforcement show the bilateral symmetry in the transverse plane, the distribution of stress concentration on the branch close to pipe-nozzle intersection area; 结果表明:模型主管、支管和补强圈横向截面两侧的应力分布呈现反对称性,模型支管根部有明显的应力集中现象;
For an unknown system, this paper based on the knowledge of hydrodynamics tells us how to get the pressure distribution of a pipe system and the pressure loss between the inlet and outlet, which is the basis of designing pipe system and choosing all kinds of cells. 对于未知系统,本文结合流体动力学理论,介绍了如何运用CFX软件得出系统的压力分布情况以及进出口压力损失情况,从而为泵房设计以及元件的选择提供了参数依据。
A stress distribution of high-risk pipe is analyzed by finite element method ( FEM). The results show that, when temperature, pressure and gravity force applied simultaneously, the total stress of pipeline is not high and maximum stress locates at the elbows. 对高风险管道进行了有限元应力分析,表明温度载荷、内压载荷、重力载荷综合作用时,管道中总体应力值不高,较大应力主要出现在各条管道弯头部位;
A collection scheme is given for the dynamic modeling of water distribution. Modeling of Pipe Network Hydraulic Based on Geographic Information System 建立了动态水力建模数据收集方案;地理信息系统中管网水力建模
The rational adjustments in the distribution of water  ̄ cooling pipe inside the waste heat boiler has been made. 通过对合成盐酸余热锅炉水冷壁管结构的重新设计,将水冷壁管布局做了较大改进。
In the light of the engineering practice and based on the discussion of the design concentration and the distribution patterns of the system pipe networks of FM-200 gaseous fire extinguishing system, the conditions and requirements for consideration in the engineering design have been analyzed. 本论文结合工程实例,通过对不同场所选用七氟丙烷(FM-200)气体灭火系统的设计浓度、系统管网布置方式的论述,分析了进行工程设计时应考虑的条件和要求。
Influence of lateral line to uniformity of drip irrigation and distribution of pipe networks system 毛管对灌水均匀度及系统管网布局的影响
We put forward that increase of the lateral line diameter is the best way to increase the most effective length, increase the uniformity of irrigation and in favor of reasonable distribution of pipe networks system. 提出适当的增大毛管的管径是改变目前滴灌系统中毛管有效铺设长度较短问题的最佳途径,有利于系统管网的合理布局和提高灌水均匀度。
The concept of basics pipe segment flow is presented. This is a new approach to determine optimal flow distribution of pipe segment and water source. 3提出了基管段流量的概念,为解决环状管网中管段和水源的流量最优分配问题提供了一个新的途径。
The dynamic equations of helically buckled pipe string in vertical wells are a group of high order nonlinear ordinary differen-tial equations, which describe the axial force distribution and deformation behavior of pipe. 描述垂直井中螺旋弯曲管柱轴力分布和变形行为的力学方程是一组高阶非线性常微分方程组。
In order to distribute the initial discharge of water supply network automatically by computer, it is necessary to link the subroutine of initial discharge distribution of pipe network up with the main program. 为使给水管网的初分流量完全由机器自动完成,必须将分配初始流量子程序接入主程序。
Stability of High Order Modes and Energy Distribution of Curved Pipe's Acoustic-elastic Vibration 载流曲管声-弹耦合振动高阶模态的稳定性及其能量分布
Application of an Improved Genetic Algorithms in Hydraulic Distribution Calculation of Loop Pipe Network 改进遗传算法在环状管网水力平衡计算中的应用
Research on Flow Shape and Distribution of Materials for Branch Pipe in Gas Solid Two Phase Flow 气固两相分支管流动及流量分配特性的研究
The distribution of the wear inside the pipe bend is presented. 介绍了弯管内磨损分布情况。
The Measurement of Velocity Distribution of Pipe Flow With Pitot Cylinder 用毕托柱测量压力水管中的流速分布
Relying on the distribution of the pipe friction, the new method is proposed to calculate the settlement of composite foundation. 利用单桩模型分析了桩体侧向摩阻力的分布变化规律,提出了计算柔性基础下刚性桩复合地基沉降的一种新方法。
The critical load of the pipe helical buckling, contact force distribution of pipe on the bore hole and the average side contact force of the pipe post buckling in the horizontal section of horizontal well are calculated by using the finite difference method and the Newton iteration method. 利用有限差分法和Newton迭代法,计算了斜直井段管柱螺旋屈曲临界力、沿螺旋段分布的管柱与井壁接触力以及后屈曲平均侧向接触力。
According to the specific network structure of the ring pipe with single source, this paper presents one recursive algorithm of the hydraulic calculation which can directly calculate the flow distribution of the ring pipe. 针对单源环型管道这种特定的网络结构情况,提出了一种水力计算的递推算法,可直接计算出环型管道的流量分布。
In drip irrigation system, the most effective length has great influence to the distribution and design of the system pipe networks. 滴灌系统中毛管的最大有效铺设长度对滴灌系统管网的布局和设计影响极大。
The law of probability distribution of waterhammer in single pipe is finally discussed. 文中还初步讨论了简单管水击概率的分布规律。
Mathematics Model is established for analyzing distribution characteristics of feed water pipe in drum, valuable suggestion is obtained from the model. 建立了单侧进水的汽包配水管分配特性的数学模型,并用它分析了一台电站锅炉的配水装置,获得了有价值的结论。
The stress distribution of a curved pipe with an initial elliptic cross section under internal pressure was studied by using electric resistance strain method. 采用电阻应变测量技术研究了带有初始随圆度的弯管在纯内压作用下的应力分布。
The potential and its distribution of a steel pipe protected by a sacrificial anode were measured through this set and the result was satisfactory. 利用该装置在试验室测量了牺牲阳极保护下钢管的电位及其分布,获得了满意的结果。
The residual stress distribution of pure titanium ring pipe were studied by XRD. 用X射线衍射法研究测定了热推制成形和退火后的环形纯钛管表面的残余应力及分布特点:用OM观察了退火后的试样金相组织;
The presented linking method has good universality in optimal computation of water supply network, and the initial discharge distribution of pipe segments of water supply network can be carried out automatically. 文章提出的连接方法具有较强的通用性,可方便地用于给水管网的优化计算,以实现自动分配管网所有管段的流量。