axle fairing是什么意思

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Experimental research is made on compound heat transfer enhancement by combination of inlet axial vane swirlers with left spirally corrugated tube,right spirally corrugated tube and symmetrical cross spirally corrugated tube,respectively.

对进口轴向叶片旋流器与左旋螺旋槽管、右旋螺旋槽管以及对称交叉螺旋槽管组成的管内复合强化传热进行了试验研究，给出了管内阻力和传热试验结果，得到了考虑复合攻角（旋向）因素在内的管内阻力和传热准则关联式，并对传热和流阻的综合热力性能进行了定量评价。

In this paper,the experimental research is made on the heat transfer enhancement by the inlet axial vane swirler in a smooth tube,and the experimental data of the friction and heat transfer are presented.

对进口轴向叶片旋流器强化管内换热进行了试验研究，提供了传热和阻力的试验数据，分析了旋流器结构参数、管内Ｒｅ数、试验段长径比对传热和阻力的影响，得到了传热和阻力准则关联式，并对旋流器强化管内换热的热力性能进行了定量评价。

An experimental study is conducted of the in tube friction and heat exchange characteristics of an inlet axial vane swirler.

对进口轴向叶片旋流器管内阻力和换热特性进行了试验研究，分析了管内Ｒｅ数、试验段长径比以及旋流器结构参数对管内阻力和换热的影响，得到了管内阻力和传热准则关联式，并对旋流器强化管内换热的热力性能进行了定量分析。

Based on the study and analysis about two kinds of formulas of swirl number of bladed axial swirler,the relation of the two formulas,which provides the select basis to calculate swirl number of bladed axial swirler is found out.

介绍了两个常用轴向叶片式旋流器旋流强度计算公式的推导过程,分析了它们之间的关系及应用范围,为正确选用旋流强度计算公式提供参考。