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- The secondary air duct of boilers is a group of large diameter short ducts in parallel connection, having inlet air flow condition with inner positioned resistant pieces. 摘要锅炉二次风道为有内置阻力件的一组并联大口径短通道，其阻力系数严重偏小而且风门涡流强烈，从而造成二次风强烈脉动。
- Study of the Effects of Swirling Number of Inner Secondary Air on Air Flow Field of PAX Burner 内二次风旋流强度对PAX燃烧器出口流场的影响
- Theoretical Analysis of Gas Deviation Control Based on Non-uniform Distribution of Secondary Air Flow and Its Related Model Testing 二次风量非均匀配比控制烟气偏差的理论分析及模型试验
- PROBLEMS EXISTING IN MEASURING SECONDARY AIR FLOW RATE FOR 600 MW SUPERCRITICAL BOILER BY ADOPTING VELOCITY-EQUALIZING TUBE FLOWMETER AND SOLVING METHODS THEREOF 均速管流量计在600 MW超临界锅炉二次风量测量中存在的问题及解决方法
- secondary air flow 第二股气流
- The air flow was regarded as quasi-laminar. 空气流动被视为准层流。
- Which is conducive to air flow and circulation. 有利於大气的流通扩散。
- Could you help me adjust the air flow? 您能不能帮我调整一下这个气流?
- A higher fan spin rate leads to greater air flow. 风扇扇页转速高，则风力大。
- The nozzle flow is composed of the main gas stream and the secondary air stream in order to simulate the nozzle of turbofan engine. 喷管中的气流由主流燃气和次流空气组成，用以模拟涡扇发动机的喷管。
- The air flow will have some variation of angularity. 风的流向将有一定程度的变化。
- The secondary air system on the cylinder reduce the emission of the exhaustgas. 汽缸体上设置二次补气系统，有效降低排放。
- Increasing original resistan coefficient of the secondary air duct can improve the adjusting performance of air damper, and inhibit pulsation of the flow rate. 增加二次风道的原始阻力系数，可以使风门的调节特性得到改善并抑制流量脉动。
- Consider the air flow over a water surface disturbed by waves. 现在考虑被波扰动的水面上的空气流动。
- YMeasure along ductwork to detect leaks or improper air flow. 沿管道系统进行测量,检查漏泄或不正常的气流。
- A stream of cold air flowed into the warm room. 一股寒气流进了温暖的房间。
- Secondary air tuyere: aluminum alloy shutter,the surface was electro-sprayed by epoxy resin. 补风口：采用铝合金百叶窗，表面环氧树脂喷涂。
- YVerify air flow in overhead ducts without using a ladder. 无需使用梯子即可检查屋顶的风管。
- Provide adequate air flow and cooling for the engine? 引擎提供充分?流和冷?
- A secondary air pollutant is a harmful chemical formed in the atmosphere through a chemical reaction among air components. 另一类污染物则是通过大气组分间所发生的化学反应而形成的有害化学物质。
