致密介质水动力特性研究

H. Xia, K. Ishii, T. Iwai
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引用次数: 0

摘要

利用低相干动态光散射(LCDLS)方法,研究了粒子的流体力学性质。通过测量颗粒浓度与扩散系数的关系,研究了流体动力相互作用对颗粒扩散的影响。对于体积分数为10 vol.%的致密悬浮液,采用CONTIN方法得到了精度在3%以内的水动力半径分布。
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Study on hydrodynamic properties in dense media
Using low-coherence dynamic light scattering (LCDLS) method, which allows us to measure the light single scattered from dense media, we investigated the hydrodynamic properties of particles. The effect of hydrodynamic interactions on diffusion of particles is studied by measuring the dependence of the diffusion coefficient on the particle concentration. The hydrodynamic radius distributions with an accuracy within 3% are obtained for dense suspensions with the volume fraction of 10 vol.% by using the CONTIN method.
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