查询词典 downcomer

The study on flow and heat transfer in downcomer under loss of coolant accident is important to the safety of reactor pressure vessel.

前 言对失水事故下有安注流动时的反应堆压力容器内流动和传热的研究，一直是反应堆热工水力研究的热点之一。

In flow visualization experiment, it is found that flow rate of safety injection has major effect on flow regime in downcomer.

通过流动可视化实验，得到了安注流速，下降环腔流速以及含气率对环腔内流动形态的影响。

The key factors for designing the tray with high liquid capacity are downcomer configuration,specifications and layout.

为了通过高液量，塔板设计的关键是降液管结构、尺寸和布置。

In order to research its natural circulation, the downcomer part and the riser part is distinguished, where there are no mass and energy transferred between them.

该模型为体现其自然循环的特性，将下降段与上升段区分开，并假定两者之间不存在质量和能量的交换。

In heat transfer experiment under ambient temperature and pressure, the profile of heat transfer coefficient, and its relation with injection flow rate and downcomer flow rate are investigated.

通过常温常压下传热实验，获得了反应堆压力容器内对流换热系数的分布，对流换热系数与安注流速和下降环腔流速的关系，含气率对对流换热系数的影响。

The standard deviation increased sharp in the formation of large gas bubbles in the downcomer.

在下降管中产生大型气泡时，标准偏差会有急剧增加的现象。

The gas holdups both in the riser and the downcomer slightly decreased with an increase in superficial liquid velocity.

各级内上升管和下降管的气含率均随表观液速的增大而减小，但影响程度较小。

Such structure can increase the deairing ability of the downcomer and the efficiency of the column plate.

这种结构降液管大大提高了除气能力，避免了被释放气体的二次夹带，从而可以减小降液管占有塔板面积，增大塔板有效区面积，提高塔板效率及通量。

By the simulation comparison it is clear that the downcomer greatly affected the severing calculation of multicomponent distillation columns, therefore it is more reasonable to consider the effect of downcomers.

通过仿真对比表明，降液管对多元精馏塔的分离计算具有较大的影响，考虑降液管的影响将更加符合实际工况。

The mixture zone of safety flow and downcomer flow is limited at a narrow stripe in downcomer when flow rate of safety injection is low.

下降环腔流速使低安注流速时的安注影响的范围局限于下降环腔下游的细长区域。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。