The three-dimensional potential flow inside the impeller of a screw centrifugal pump was analysed by the boundary element method.
采用边界元法对螺旋离心泵叶轮中的三维势流进行了数值计算。
Numerical calculation of unsteady potential flow for swinging hydrofoil is processed with Vortex Lattice Method (VLM) and interrelated hydrofoil experiment was also made.
采用非定常涡格法对摆推水翼进行了势流数值分析并进行了相关试验研究。
Based on potential flow theory, a numerical method is proposed for predicting the steady and unsteady hydrodynamic performances of puller type podded propulsors.
应用升力面理论涡格法和面元法，建立了拖式吊舱推进器非定常水动力性能的数值计算方法。
The recent potential flow theory and finite-difference method are applied to generate orthogonal numerical grids and to compute two-D plane flow fields.
运用新近的解析-数值势流理论方法，生成正交数值网格，用差分法计算出平面二维流场。
So the effective wake is the properly correction to the propeller analysis method based on potential flow theory which includes the interaction between the propeller and the inflow.
所以，实效伴流是对基于势流理论的螺旋桨分析方法的修正，它包含了螺旋桨和来流之间的相互影响。
For potential flows on any stream surface, the equation of the velocity graph is set up by tensor analysis, and thus it provides an analytic method for solving some special flow problems.
本文利用张量分析工具，对任意流面上的位势流，建立速度图方程，为解决一些特殊流动问题，提供一个分析方法。
A numerical method based on the potential flow theory is proposed in this paper for predicting the steady performance of tractor-type podded propellers.
本文提出拖式吊舱螺旋桨(螺旋桨位于吊舱首部)定常水动力性能的势流理论计算方法。
A finite difference method is developed for computing the two-dimensional transient potential flow generated by an impulse on the free surface.
本文提出计算二维非定常位势流动的有限差分法，流动是因自由表面任意瞬间扰动所产生的。
At present, all the gas well productivity analysis method need to ascertain the absolute open flow potential; thus need a stable test pot.
目前的气井产能分析方法都是确定气井的绝对无阻流量。因而都需要一个稳定的测试点。
In this paper, based on the second generation low order panel method, a computational method of potential flow around wings under high-lift configuration is given.
本文采用第二代低阶面元法给出了一种高升力外形下机翼的位流计算方法。
The method of measuring water potential of plants with thermocouple psychrometer and the flow chart of computer programs for automatic measurement are presented in this paper.
给出了利用热电偶湿度计测量植物水势的方法以及利用微机实现自动测量的程序流程。
So it is value to research on the method for determining the flow potential of gas well by destabilization well testing data.
因此研究用不稳定试井资料确定气井产能的方法具有重要的实际意义。
A new method is presented to calculate the exact analytic solution of potential flow about multi - element airfoils.
本文给出了求解多段翼型位流准确解的一种方法。
The present paper proposes a fully three-dimensional numerical method for potential flow through an impeller by using nonlinear boundary element method.
针对水力机械转轮中全三维势流流场，本文提出了一种有效的计算方法。
At present, all the gas well productivity analysis method need to ascertain the absolute open flow potential; thus need a stable test pot.
目前的气井产能分析方法都是确定气井的绝对无阻流量。
The transonic flow field around NACA 0012 airfoil is calculated by finite element method from pressure minimum integration, full potential equation being used.
本文采用压强极小积分有限元法计算了NACA 0012翼型的跨音速流场。出发方程为全速位方程。
When we measure the air heat capacity of heat pump by enthalpy potential method, the flow rate measuring method was used to measure flow rate and sectional mean temperature of air.
利用空气焓差法进行热泵空气侧换热量测量时，通常采用测流量法测量风的流量和截面平均温度。
Is there any method, which ascertain gas well productivity via unstable gas well test? At first, this thesis discusses the above problem on base of the practical open flow potential.
是否存在着通过不稳定的气井试井来确定气井产能的方法呢？本文首先在基于实际无阻流量(或称瞬时无阻流量)的概念的基础上，讨论了这个问题。
The transonic flow computation is performed by the use of conservative full-potential equation with exact boundary conditions and the efficient iteration scheme in finite difference method AF2.
跨音速计算采用守恒型金位势方程，精确边界条件和AF 2高效有限差分迭代算法。
The transonic flow computation is performed by the use of conservative full-potential equation with exact boundary conditions and the efficient iteration scheme in finite difference method AF2.
跨音速计算采用守恒型金位势方程，精确边界条件和AF 2高效有限差分迭代算法。
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