The economical gas velocity and a optimal velocity proportion of air to gas for designing air preheater are also discussed.

同时还对卧式空气预热器的经济流速和最佳风烟速比进行了讨论。

The slope of the time scale is related to the gas velocity.

特征反应时间随射流速度的变化斜率与燃气流量相关。

And the particle flux is sensitive to the change of the gas velocity.

改变风速，颗粒流量变化显著；

The solid holdup decreases with the increase in the superficial gas velocity.

固含率随表观气速的增加而降低，且沿轴向变化较大。

For given solids and vessels the entrainment is very sensitive to gas velocity .

对给定的固体颗粒和容器，其夹带量对气速非常敏感。

The gas holdup in the air-water system was slightly higher than in the air-paraffin system and it increased with superficial gas velocity.

结果表明：气含率随着表观气速的增加而增加。在空气-水体系中的气含率略大于空气-医用液体石蜡油-催化剂体系的气含率。

The solids density in the whole internal annular region decreases with increasing the superficial gas velocity.

随着内环表观气速的增大，整个内环床层密度均降低。

The particle capture efficiency actually increases as the flue gas velocity through the U-beam separator decreases.

随着烟气流过U型钢分离器的速度降低，颗粒捕获的效率实际上是增加了。

And the influence of the reactor design and superficial gas velocity on fluid circulation in the reactor was tested.

并且，在不同尺寸反应器中表观气速与液体流速的关系能够测出来。

The atomizing gas velocity formula that has been revised can meet the requirement of the supersonic atomization.

修正后的雾化气体速度公式可以满足超音速雾化的要求；