according to this conclusion, the air entrainment model and the robustness of quasi-dimensional model has been improved to some extent.

根据这一结论改进空气卷吸率计算模型，很大程度上改善了準维模型对瞬变工况的适应性。

so it is considered that the design made for air entrainment facilities is reasonable and effective in practice.

说明设计的掺气设施的体型、尺寸是合理的、有效的。

vulca together with dilco dilution water feed system is used to prevent the channelling and air entrainment into the stock and to save pumping energy costs when filling the tower.

vulca和dilco稀释水供应系统用于防止产生沟流和防止将空气混入浆料中，并节约泵送能耗。

in the chamber, after a heating coal with a large number of organic compounds decompose will air entrainment carbon molecule with burning out into the empty layer, the jammer output by gas.

在炉膛内的煤块，经过了热化分解将有机化合物与大量碳分子随燃烧气流夹带出来进入空层，由输出口输出煤气。

the phenomenon and the mechanism of air entrainment were discussed.

对气泡产生的现象及原因进行了描述、分析。

a turbulence model is no longer required to use the air entrainment model.

安培涡流模型不再需要使用空气使乘火车模型。

the method for confirming the initial air entrainment point, the length of the air cavity behind and jet aeration capa…

得出了初始掺气点、空腔长度和通气量的确定方法，供工程参考。

the relationships between fracture energy and mineral powder, emulsion powder, sand cement ratio as well as air entrainment agent in cement mortar have been studied firstly.

试验分析了水的硬度、引气剂添加顺序、引气剂种类和用量、缓凝高效减水剂用量、石粉含量等因素对碾压混凝土含气量的影响。

the theory of turbulent jet has been employed to induce new formulas for wall jet, and on the base of correct spray penetration, air entrainment model in swirl field has been built.

采用紊流射流理论推出了新的壁面射流计算公式，并在正确描述喷注贯穿的基础上建立了有涡流作用的空气卷吸模型。

additions to air entrainment model.

对使乘火车航空模型的附加。

the simulation experiment shows that the shorter teeming time is, the less air entrainment of tapping is;

模拟实验结果表明，注入时间愈短，注流 带入的气体量愈少；

the phenomenon and the mechanism of air entrainment were discussed. methods were proposed to prevent air entrainment.

对气泡产生的现旬豚原因进行了描述，分析，同时提出了充模过程中防止气泡卷入的措施。

a kind of device which is used to measure the air entrainment and its principle and application are presented.

介绍了针式掺气仪测量气水两相流中的气泡尺度和含气浓度的工作原理及方法；

it is also proved by numerical simulation that the small-sized lateral direction aerator, which brings a small side air chamber, can satisfy the side air entrainment and better flow characteristics.

数值模拟也证实，采用尺寸较小的侧墻掺气坎，形成较小的侧空腔，能满足进行侧掺气的同时具有较好的流场水力特性。

an experimental formula of the density of air entrainment is put forward, which is useful for real project.

本文论述了掺气水流的特性，给出了试验陡槽中计算掺气浓度的经验公式，供工程实际参考；

the simulation results were investigated, and the molten metal's flowing behavior was discussed and then the generation of surface defect and air entrainment was analyzed.

对数值模拟结果进行了液态金属传输流动行为的分析，重点讨论了传输过程中氧化膜和卷气产生的原因。

the method for confirming the initial air entrainment point, the length of the air cavity behind and jet aeration capacity has referencing value for the project.

得出了初始掺气点、空腔长度和通气量的确定方法，供工程参考。

with the increase of impinging distance, both the wall spread distance and the thickness of liquid film on the wall was decreased, and the air entrainment near the wall was weakened.

随着碰壁距离增加，喷雾体的壁面扩展度和厚度都有所降低，近壁区的空气卷吸作用减弱；