1) elastic turbulence
弹性湍流
1.
Experimental study on characteristics of elastic turbulence in surfactant solution
表面活性剂水溶液弹性湍流特性实验研究
2.
This paper discusses recent progresses of research on the generation of elastic turbulence and its influence on the efficiency of micro-mixing.
介绍和评述弹性湍流的产生及其对于微混合效率的影响等问题上的若干研究进展。
2) turbulence characteristics
湍流特性
1.
Experiment study on turbulence characteristics in burner region of burners on-wall arrangement boiler;
燃烧器墙式布置锅炉燃烧器区域湍流特性研究
2.
The turbulence characteristics of flow in the junction region of the endwall and the suction surface of blade of a compressor cascade passage were measured by using a three-dimensional Laser Doppler Velocimetry system.
本文用三维激光多普勒测速技术测量了平面扩压叶栅的叶片吸力面角区流动湍流特性,如紊流动能分布、雷诺应力分布等。
3.
To understand the influence of streamwise vortex on turbulence characteristics, the turbulence characteristics of flow in the corner region of a compressor cascade passage were measured by using a three dimensional Laser Doppler Velocimetry system.
为了弄清扩压叶栅端壁角区旋涡对湍流特性分布的影响 ,用三维激光多普勒测速技术测量了平面扩压叶栅中角区流动的湍流特性 。
3) turbulent characteristics
湍流特性
1.
The turbulent characteristics of self-rotating self-cleaning plastic twisted-tape-inserted tube were studied experimentally by using a 2D frequency shifting Laser Doppler Velocimeter (LDV) System.
应用激光测速仪 LDV(Laser Doppler Velocimeter) 对自转塑料螺旋扭带管的湍流特性进行了实验研究。
4) turbulence properties
湍流特性
1.
The turbulence properties of separation space in a cyclone were investigated by using the Laser Doppler Velocimetry.
采用激光多普勒测速系统测试了蜗壳式旋风分离器内的流场 ,分析了最主要的分离空间内湍流特性 。
2.
The turbulence properties of annular space in a cyclone were investigated by using the Laser Doppler Velocimetry.
采用激光多普勒测速系统测试了蜗壳式旋风分离器内的流场 ,分析了环形空间内的湍流特性 。
6) turbulent jet
湍性射流
补充资料:弹性湍流
分子式:
CAS号:
性质:当胶料挤出速度超过某一极限值时,挤出物表面出现凹凸不平、波浪、竹节、螺旋形畸变以至完全无规的破裂现象,也称弹性湍流。它不仅影响产品质量,也影响产品产量。突其原因是由于挤出时剪切应力过高,熔体各点所表现的弹性应变不一,从而使挤出物在弹性恢复过程中出现畸变,严重时出出断裂现象。影响熔体断裂的主要因素为搞出口型几何尺寸、挤出温度和材料本身的分子量和分子量分布。适当降低分子量,加宽分子量分布,适当提高挤出温度、加大口型间隙、采用喇叭型口型或调节配方都可减轻或避免熔体破裂现象。
CAS号:
性质:当胶料挤出速度超过某一极限值时,挤出物表面出现凹凸不平、波浪、竹节、螺旋形畸变以至完全无规的破裂现象,也称弹性湍流。它不仅影响产品质量,也影响产品产量。突其原因是由于挤出时剪切应力过高,熔体各点所表现的弹性应变不一,从而使挤出物在弹性恢复过程中出现畸变,严重时出出断裂现象。影响熔体断裂的主要因素为搞出口型几何尺寸、挤出温度和材料本身的分子量和分子量分布。适当降低分子量,加宽分子量分布,适当提高挤出温度、加大口型间隙、采用喇叭型口型或调节配方都可减轻或避免熔体破裂现象。
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参考词条