1)  mixture of parallel and countercurrent flow
折流
2)  twisted current
折流
1.
On the basis of this theory,twisted current tuyeres were developed and used in some dozens of iron making plants,and good results were achieved.
利用计算机风口烧损过程数模 ,对市场现有几种典型风口小套进行了简单剖析 ,提出了烧损风口小套的“铁水流股寿命”和“铁水流股破坏能力”的概念 ,分析了二者对风口烧损过程的作用机理及二者在实际高炉冶炼过程中的存在规律 ,在此基础上设计的折流式风口小套在数十个厂家的应用中取得了理想效果 ,为炼铁厂在不投资改造给水设备的条件下 ,设计低成本长寿风口提供了参考意见。
3)  rod baffle
折流杆
1.
Based on the analysis of the structure and performance of rod baffle and orifice-baffle separately,the shortcomings of these two kinds’ baffles were found.
为了解决现有杆式支撑流通面积大、扰流作用不足以及孔板式支撑结构复杂、加工困难的问题,在对折流杆和孔板支撑进行结构和性能分析的基础上,开发了一种结构相对简单的花瓣孔板支撑,并建立了纵流式换热器的试验模型和试验装置。
2.
The mechanisms of heat transfer enhancement and pressure drop reduction are analyzed of a new type of rod baffle shell and tube heat exchanger with spiral groove tube bundles.
描述了新型折流杆换热器的强化传热和降低壳层压力降的原理 ,它与传统折流板换热器相比 ,传热效率高 ,材料及能耗小。
3.
The conventional tube-bundle supports, the arch baffle, is transformed into the various kinds of rod baffle, circle orifice plate and helical baffle, which not only improves the total heat transfer performance of the heat exchanger, but also greatly decreases the flow resistance of the shell side.
管束支撑由传统的弓形折流板发展为多种结构形式的折流杆、整圆形孔板和螺旋折流板等,不但提高了换热器整体传热性能,而且还大大降低了壳程流动阻力。
4)  baffle plate
折流板
1.
The gap between the baffle plates and shell was blocked by the sealer,which effectively decreased the short circuit flow in the shell.
密封器堵住了折流板与壳体之间的间隙,有效地消除了换热器壳体内部的流体短路现象。
2.
Breakage and leakage took place on the baffle plate heat exchangers of Russian-made 300 MW electric generator units in a power plant shortly after the units were put into operation.
俄制300MW发电机组折流板结构闭冷器换热管在运行中短期内出现断裂泄漏,通过对泄漏原因的分析和研究,决定采用新型折流杆技术对换热器进行改造。
5)  baffle
折流板
1.
Flow friction characteristics of the holed-baffles;
开孔折流板流动阻力特性
2.
Manufacture of baffle in gas distributor with eccentric sleeve in the column;
塔器内偏心套筒式气体分布器折流板研制
6)  baffling wetland
折流湿地
1.
In Lugu Lake Wastewater Treatment Plant, the new type constructed wetland process—baffling wetland/lateral subsurface flow wetland was used for wastewater treatment.
结合当地的特点,遵循简易有效的原则,沪沽湖镇污水处理厂采用了新型人工湿地污水处理工艺——折流湿地+侧向潜流湿地。
参考词条
补充资料：折流
分子式：
CAS号：

性质：热交换中的两流体是在传热面的两边，其中一边的流体只沿一个方向流动，而另一边的流体则先沿一个方向流动，然后折回向相反方向流动；如此反复地折流，使两边流体间有并流与逆流的交替存在，此种情况称为简单折流1。若两流体均作折流，则称为复杂折流2。在折流情况下，两流体间的平均温度差由逆流情况下的对数平均温度差乘以一校正系数而得。

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