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- The effects of swirl ratio on turbulent energy,fluid s tructure and temperature distrbutions in cylinder are given in this paper. 本文给出了涡流比对湍动能、流场结构和温度分布变化规律的影响。
- When the helical intake port is upstream,interference of intake flow and effects of orientation of the helical port on swirl ratio will be less. 采用螺旋气道在后的气道组合时，涡流比的变化受后面螺旋气道方位的影响较小，相邻气道的进气气流干涉较小。
- On this basis, the concerted effects of the SIR with the fuel injection system parameters and the intake air swirl ratio on the diesel engine performance were studied on a dynamometer test bench. 在此基础上，通过台架试验对比分析燃烧室内的这种涡流强度保持性与喷射系统参数和进气涡流匹配时对柴油机性能的影响。
- The turbulent energy,the fluid field struc ture and the temperature distribution show significant differences with the chan ges of air swirl ratios. 涡流比变化时，燃烧室内的湍动能、流场结构及温度分布有很大的差异。
- The turbulent flow characteristics in cylinders of dire ct-i njection diesel engine under different air swirl ratios are analyzed by multi-d imensional simulation methods. 用三维数值模拟的方法研究了不同涡流比下直喷式柴油机缸内湍流流动的规律。
- Dancers spun in a swirl of skirts. 跳舞的人旋转着,裙子也不停地打转。
- An Investigation of Effect of Shape and Position Deviations of Helical Inlet Port of DI Diesel Engines on Flow Coefficient and Swirl Ratio 螺旋进气道形状和位置偏差对涡流比及流量系数的影响
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
- I could feel the current swirl me. 我感觉到河里的急流在卷着我。
- Long vines swirl round the tree. 长长的藤葛盘绕在树身上。
- Please help me to swirl the car;I cant't start it. 汽车发动不起来了，你能帮我用曲柄摇一下吗。
- It beckons me forward with its colorful swirl. 她召唤我走进她美丽的漩涡。
- She danced with a swirl of her skirt. 她飞旋着裙子跳舞。
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- A confusing swirl of faces moved over me. 陌生的人群不断在我眼前晃动。
- The ratio of men to women was two to one. 男女的比例是二比一。
- The interval between any two frequencies having a ratio of2 to1. 倍频程频率比率为2比1的两个频率的间隔
