| 应用激光相位-多普勒系统测量雾化液滴颗粒和流动特性 |
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| 引用本文： | 沈熊,魏乃龙,彭涛.应用激光相位-多普勒系统测量雾化液滴颗粒和流动特性[J].实验流体力学,2000,14(2):54-60. |
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| 作者姓名： | 沈熊 魏乃龙 彭涛 |
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| 作者单位： | 清华大学工程力学系,北京,100084 |
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| 摘 要： | 在几何光学近似理论的基础上分析了相位多普勒方法的理论模型和相位 粒径特性关系 ,分析了实验应用的光纤型激光相位多普勒系统的原理和组成 ,并应用此系统对雾化喷嘴的流动和颗粒特性进行了测量 ,得到了液滴的二维速度与粒径的相关和统计特性。
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| 关 键 词： | 相位多普勒 激光测速 粒子分析 雾化喷嘴 |
| 修稿时间： | : |
Measurement of velocity and size characteristics of water spray droplets with a laser phase-doppler system |
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| SHEN Xiong,WEI Nai-long,PENG Tao.Measurement of velocity and size characteristics of water spray droplets with a laser phase-doppler system[J].Experiments and Measur in Fluid Mechanics,2000,14(2):54-60. |
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| Authors: | SHEN Xiong WEI Nai-long PENG Tao |
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| Abstract: | Based on the geometrical approximation of optics, a theoretical model of phase Doppler method in relation with the phase and particle diameter is presented. A PDPA system is also described. Details of measurement for a spray nozzle has been completed in conjunction with the correlation between 2D velocity and particle size characteristics. |
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| Keywords: | phase Doppler laser velocimetry particle analysis jet atomizer |
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