流函数

The simplification for the non Newtonian fluid equation is made and some inverse solution s of flow function are obtained.

对非牛顿流体方程进行了简化求解，使用逆解方法得到了流函数的某些反解，使对二阶非牛顿流体的平稳平面流动有了进一步的认识与理

A fourth-order compact finite difference alternating-direction-implicit algorithm is proposed for solving the unsteady-state Navier-Stokes equations of fluid flow and heat transfer using the streamfunction-vorticity formulation. Point-successive overtaxation iteration is used to achieve the steady solutions.

本文构造了求解二维非定常涡量流函数形式Navier-Stokes方程组的一种四阶紧致交错方向隐式差分算法，对包括能量方程在内的离散化方程组采用逐次超松驰迭代法求得稳定解，求解了二维非定常粘性不可压缩流体的流动与传热问题。

Firstly, based on the method of pressure-velocity coupling introduced by SIMPLE algorithm and a revised method of solving the unsteady equation of stream function and vorticity on uniform grid, a special algorithm called primitive-variable-time-dependent approach is formed in the present study. In this algorithm the Navier-Stokes equation in primitive variable form is solved by using the time-dependent approach on non-uniform staggered grid system. The second-order accuracy finite difference is used for the first and second partial derivatives of all variables of the convective terms and diffusion terms.

首先，本文在SIMPLE算法系列处理速度与压力耦合问题的思路和均匀网格下改进的关于流函数涡量方程的数值求解方法的基础上，将非定常原始变量Navier-Stokes方程的求解推广至非等距交错网格剖分，形成了具有本文特色的原始变量时间推进方法，其中对流项和扩散项中各变量的各阶导数均采用二阶精度公式，包括温度在内的离散方程组采用ADI迭代方法求解。

Coke properties has been studied by high temperature SiC oven、infrared gas analyzer and X-ray diffraction. First set forward the relationship between UPC and coke reactivity, strength, fine coke and coke graphitization, and creatively find the graphitization degree of coke tends to 100% when temp. reaches to 1350℃ UPC is profitableness to coke properties;②The effect of UPC on liquid slag distribution and flow functions in experiment oven has been studied by mathematics simulation The effect of UPC on taking shape and dropping of high titanium-bearing B. F. slag has been studied by using high temp. oven simulation cohesive zone and dropping zone of blast furnace.

为了弄清楚这部分UPC对高炉冶炼钒钛磁铁矿过程的影响，①在实验室利用高温SiC炉、红外线气体分析仪、X—射线衍射仪等进行了一系列UPC对焦炭性能及石墨化度的影响研究，提出了UPC与焦炭反应性、抗压强度、粉化性能及焦炭石墨化度之间的关系，创造性的发现高炉内1350℃以上，焦炭的石墨化度已达100％，UPC对焦炭性能的影响有益而无一害；②采用数学模拟方式研究了UPC对实验炉内液态渣分布及流函数的影响，并利用高温熔滴炉模拟高炉软熔带、滴落带研究UPC对高钛渣滴落性能的影响，采用旋转式粘度计测定滴落渣性能并通过高倍矿相显微镜观察了滴落渣的矿物结构。

We also give a theoretical result for the stream function form of the Navier-Stokes equation in unbounded domains.

我们还建立了流函数形式的Navier一Stokes方程在无穷带状区域中的一类始边值问题的谱格式，证明了该格式的稳定性和收敛性。

The stream function and velocity potential are effective both in defining and the application of partioning the wind filed.

流函数和速度势是表示风场的一组物理量，是风场分解的有效工具。

The contours of velocity and stream function are drawn and micro-scale sweep efficiency is calculated quantitatively.

绘制了流函数和速度的等值线图。研究了粘弹性的变化对微观波及效率的影响。

This paper studied the following two important subjects: Firstly. Radiation stress is calculated by Function Stream Wave theory.

本文对海岸低频波浪和其对海岸作用进行了研究，主要有两个内容：用流函数理论计算辐射应力。

Secondly, a new TGM is considered for the steady N-S equations in a stream function form in Chapter 3 in R〓.

其次，在第三章考虑了二维区域上定常N-S方程流函数形式的一种新的TGM。

The dimensionless equations are obtained by using stream function.

采用以流函数表示的无量纲基本方程，用控制容积法对方程离散化并进行了分析计算。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。