可压缩流体

This paper gives some commensurable researches utilizing experiment combining theory. The whole paper consists of the theoretical and experimental researches. The first part consists of the fundamental study of foamed acid, the flowage of foamed acid as a Non-Newton fluid in the pipe and annular pipe, and the technology of acidification using foamed acid; and the experimental study includes the formula experiment of foamed acid, the Rheological behavior of foamed acid, the seepage and divided flow in the corn of foam, and appraisal experiment of foamed acid.

本论文采用实验和理论结合的方法，开展了相应的研究工作，主要包括两大部分内容：一是理论研究，包括泡沫酸的基本性质、泡沫酸流体作为可压缩非牛顿流体在井筒和环空中的流动规律、以及泡沫酸酸化工艺等方面的理论研究；二是实验研究，包括泡沫酸的稳定性配方、泡沫酸的流变特性、泡沫流体渗流规律和暂堵分流特性、泡沫酸室内评价等室内实验。

In the paper, a mathematical model of borehole gas transient flow in the process of gas drilling is set up and a numerical solution method is put forward on the basis of the unsteady flow theory of compressible fluid.

基于可压缩流体不稳定流动理论，文章建立了气体钻井过程中井内瞬态流动的数学模型并提出了模型的数值解法。

By means of deriving the approximate solution and a process of approaching iteration, we have shown that a general solution exists for a non-Newtonian compressible fluid in 3D bounded domains. The proof is based on an elementary energy method.

文章利用构造近似解和极限的过程证明了三维有界区域中非牛顿可压缩流体广义解的存在性，所用的证明方法为能量方法。

Stirling engines use a closed chamber with a fixed amount of compressible fluid.

斯特林发动机使用可压缩流体（没有摄入量或排气封闭室数量有固定）。

The mechanics of fluids is subdivided into the study of incompressible fluids and compressible fluids.

流体力学的研究对象可再分为不可压缩的流体和可压缩的流体。

Based on the axial symmetric N-S equation of compressible liquid, we establish the onflow model to simulate convergent nozzles' free jet with different internal parameters by using structural grid and finite volume of quadratic precision.

建立了会聚型喷嘴的湍流模型，根据可压缩流体轴对称N－S方程，采用结构网格和二阶精度的有限体积法，对不同内部形状参数的会聚型喷嘴自由射流进行了数值模拟。

The principles and methods of present tangent method and secant method are also described in the paper.

全压力史拟合方法的理论模型是：地层均质、等厚、无限大，充满弱可压缩流体，考虑井筒中存在表皮效应和井筒存储的影响 3、通过使用有限元法对脉冲试井过程进行了数值分析计算，得到了脉冲试井的不同条件下的理论曲线，提出了脉冲试井数值分析方法。

This shows that the latticeBoltzmann method can simulate compressible fluids.

这说明格子玻尔兹曼方法能够模拟可压缩流体。

Numerical simulation of micropolar fluids elastic lubrication with mixed friction in mechanical seal;2. The basic line contact elasto-hydrodynamic lubrication equations for micropolar fluids were developed on the basis of the theory of micropolar fluids.

应用微极流体理论，考虑流体的可压缩性，建立线接触微极流体动力润滑的基本方程，进行固液两相流体稳态流动弹流润滑数值分析，获得了润滑油膜压力、形状以及摩擦力分布，分析了微极参数对润滑性能的影响，并与不可压缩流体结果进行比较。

Adaptive Delaunay triangulation is combined with the cell-centered upwinding algorithm to analyze inviscid high-speed compressible flow problems.

利用自适应Delaunay三角剖分并结合胞格中心迎风算法，分析非粘滞高速可压缩流体问题。

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如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。