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用光子相关光谱法测量多分散颗粒系的颗粒粒度分布 被引量:13
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作者 申晋 郑刚 +1 位作者 李孟超 姬丰 《光学仪器》 2003年第4期3-6,共4页
光子相关光谱 ( Photon Correlation Spectroscopy,简称 PCS)技术是测量亚微米及纳米颗粒粒度的有效方法 ,其测量原理始基于颗粒的布朗运动。设计完成了 PCS颗粒粒度测量装置 ,并进行多分散颗粒系的粒度分布测量 。
关键词 颗粒测量 动态光散射 光于相关光谱 多分散颗粒系 粒度 布朗运动
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Transport phenomena for a spherical particle in pure extensional and simple shear flows
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作者 ZHANG JingSheng CHEN Jie +1 位作者 YANG Chao MAO ZaiSha 《Science Foundation in China》 CAS 2013年第1期73-93,共21页
Particles(including solid particles,liquid drops and gas bubbles)are ubiquitous in a large number of natural processes as well as in industrial productions.Their behaviors are of fundamental importance in multiphase s... Particles(including solid particles,liquid drops and gas bubbles)are ubiquitous in a large number of natural processes as well as in industrial productions.Their behaviors are of fundamental importance in multiphase systems since the existence of such dispersed particles influences the momentum,mass and heat transport behaviors in these systems.Up to now,a vast body of literature has been published in dealing with the transport phenomena related to a particle surrounded by a fluid under various physical circumstances.In this paper,principal research results for the transport process of a single spherical particle in pure extensional and simple shear flows presented in the literature,including our recent work,are generally reviewed in order to give a comprehensive knowledge in this area. 展开更多
关键词 PARTICLE Pure extensional flow Simpleshear flow Mass transfer Heat transfer
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