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- Therefore by regulating swirl number of combustor NO emission caw be reduced. 因此;适当调整燃烧室的旋流数可以降低NO排放.
- Swirl number should neither be too big, nor be too small.A big swirl number will widen the recirculation zone and cause drag increment. 旋流器的旋流数 对喷雾分布的影响比较复杂，旋流数增大，回流区随之变宽，但流动 阻塞比增加，降低流速；
- The effects of swirl number of primary swirler and radial swirler,area ratio and sleeve divergence angle on the cold flow field of double swirl air intake were investigated. 试验研究了主、径向涡流器旋流数、面积比、套筒扩张角等参数对双旋流进气装置冷态流场的影响。
- The effect of swirl number on thermal No formation in swirling diffusion combustion is studied by numerical simulation, using the Reynolds stress equation turbulence model, EBU-Arrhenius combustion model and presumed-PDF NO formation model. 本文对旋流扩散燃烧进行了数值模拟，研究旋流数对热NO生成的影响，其中对湍流采用Reynolds应力方程模型，对燃烧采用EBU－Arrhenius模型，对热NO生成采用设定PDF的模型。
- The distributions of gas temperature, O2, CO2, CO, and NO concentrations were measured under different swirl numbers for the primary air. 测量了在不同的一次风旋流数下,气体的时均温度、O2、CO2、CO和NO浓度的分布。
- Research on Formula of Swirl Number of Bladed Axial Swirler 两个轴向叶片式旋流器的旋流强度计算公式的探讨
- He thumbed through the directory to look for her number. 他翻阅电话号码簿找寻她的号码。
- Dancers spun in a swirl of skirts. 跳舞的人旋转着,裙子也不停地打转。
- Let me note down your address and telephone number. 让我记下你的地址和电话号码。
- He picked a winning number on the first draw. 他第一次便抽到一个中奖号码。
- The number of fish in coastal waters has decreased. 沿海鱼的数量已减少了。
- The number represented by the digit or digits in2. 在释文2。中所说的由一位或几位数字表示的数。
- The students in our class number thirty. 我班总共有三十名学生。
- I dialed the right number, but nobody answered. 我拨的号是对的，但没有人接电话。
- A number of new hats were on parade at the wedding. 在婚礼上见到有些人戴著新式的帽子。
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
- The number shall be cut in on a plate. 号码将雕刻在一块金属板上。
- I seriously question a number of your assertions. 对你所坚持的说法，有几点我甚为怀疑。
- Can you tell me the cancellation number? 能不能告诉我取消号码？
- I slip up and give you the wrong phone number. 我粗心大意给错了你电话号码。
