tapered slit

It is pointed out that the two phase pressure drop is related to the geometric parameters of the annular narrow passage.

根据文献报道~［5]，大约有50％以上的管壳式换热器涉及气液两相流，迄今为止对气液两相流体流经环形狭缝通道的流动特性研究尚未见有文献报道。

A mathematical model for predicting the pressure drop characteristic of gas-liquid two-phase annular-mist flow through an annular narrow passage is presented.

建立了环形狭缝通道内气液两相环状流的理论模型 ,该模型计及环状流气芯流动的可压缩性、气液两相间的相滑移、气相对液滴的夹带作用等因素 。

Experimental study on dryout point of flow boiling in narrow annular channel;

环形狭缝通道中流动沸腾干涸点的实验研究

The characteristics of single phase convective heat transfer in narrow annular channel are numerically calculated using k kL model.

采用k kL u v紊流模型 ,对环形狭缝通道中水的流动与换热的特性进行了数值计算 ,将计算结果同实验结果进行分析比较 ,两者得到了较相一致的结

An experimental investigation into the quality and position of dryout point through narrow annular channels;

环形狭缝通道内干涸点及其位置的实验研究

Using the experimental data of flow boiling heat transfer in narrow annular channels as the initial conditions, the fourth-order Runge-Kutta method was used to calculate void fraction mechanistic model of subcooled boiling.

以环形狭缝通道中流动沸腾传热的实验数据为初始条件,运用四阶龙格-库塔法对过冷沸腾空泡率的机理模型进行了数值求解,并对计算结果进行了分析。

Annular flow analysis model for boiling heat transfer in vertical narrow rectangular gap;

竖直矩形狭缝通道内环状流沸腾换热分析模型