vertical surface

： Numerical analysis was conducted for combined heat and mass transfer by natural convection on a vertical surface with SIMPLE method.

用数值方法研究了竖直平面上因热及物质扩散引起的传热传质复合自然对流，得到了速度、压力、温度和浓度的分布及传热传质速率随浮力比的变化规律。

So the authors brought forward a calculation method for seepage free surface based by constant differential equation in planar seepage field.

天然岸坡同港口码头排水岸坡的渗流场相比较,地下水运动规律各不相同,用传统的方法求解码头岸坡渗流自由面是很困难的,为此提出了基于竖直平面二维流的渗流自由面计算常微分方程,运用该方程可通过解析计算精确得到港口岸坡渗流自由面的分布和随时间的变化规律,消除了复杂的计算过程,计算方法简单,计算结果可靠,能有效地指导库区港口码头建设和地质灾害防治。

The computation results show that the effect of density to laminar bottom layer in vertical pipeline is obvious and is bigger than that of viscosity, which can not be ignored.

研究结果表明,密度对竖直管道顺序输送过程中层流底层的影响比较明显,并且大于粘度影响,不可忽略。

The correlation of various parameters of soilds on pneumatic coveying in vertical pipeline and the reason of solids choking were presented.

介绍了竖直管道中气力输送物料过程各种不同参数的关系以及物料在管道中发生堵塞的原因,给出了预测堵塞发生的计算方法,为物料气力输送系统的设计提供了一些借鉴。

In gas-liquid screen type WFGD,distribution of falling liquid about upright jet determines directly desulfuration efficiency.

在液幕式湿法脱硫中,竖直射流回落液量分布情况直接决定脱硫效率。