Phase Doppler Particle Analyzer(PDPA)相位多普勒粒子分析仪(PDPA)
3)phase doppler particle anemometer相位多普勒粒子测速仪
1.The primitive atomization mechanism was discussed, and the system parameters, measurement principles and measurement process of 3D phase doppler particle anemometer (PDPA) were presented.初步探讨了旋芯式喷嘴的雾化机理,简述了三维相位多普勒粒子测速仪(PDPA)的系统参数、测量原理和测量过程。
4)the phase Doppler particle analyzer(PDPA)相位多普勒颗粒分析仪(PDPA)
5)3 D phase Doppler particle anemometer (PDPA)三维相位多普勒颗粒分析仪
1.WT5”BZ]Gas particle flows under different swirler blade angles,different covering degrees of a device of concentrating coal powder and different secondary air flow rates at the exit of the swirl burner with dense and dilute pulverized coal are measured using a 3 D phase Doppler particle anemometer (PDPA).采用三维相位多普勒颗粒分析仪 (PDPA)对旋流浓淡煤粉燃烧器出口区域冷态两相流动特性进行了实验研究 ,获得了该燃烧器在不同旋流叶片开度、不同煤粉浓缩构件遮盖度、不同旋流二次风和直流二次风配比下的气固两相流场和浓度场的分布规律 ,并进行了讨论分
6)three dimensional Phase Doppler Particle Anemometer (PDPA)三维相位多普勒颗粒分析仪(PDPA)
延伸阅读
超声多普勒诊断仪超声多普勒诊断仪 此为利用多普勒效应的原理对运动的脏器和血流进行探测的仪器。常用的超声多普勒诊断仪是由双片插头接受连续超声回声，转成电信号，经低频放大后作监听用；亦可外接示波器，供波型观察及摄影；接心电图记录仪，则可描记下信号的包络曲线。此外，还可用以探测胎动、胎盘杂音和脐带杂音。
