Calculation of collision frequency function for aerosol particles in free molecule regime in presence of force fields

2013年第7卷第4期

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《能源前沿（英文）》 >> 2013年第7卷第4期 doi: 10.1007/s11708-013-0275-5

Calculation of collision frequency function for aerosol particles in free molecule regime in presence of force fields

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Institute of Nuclear Energy and New Energy Technology, Tsinghua University, Beijing 100084, China

发布日期：2013-12-05

摘要

The collision frequency function for aerosol particles has already been calculated for the free molecule regime and for the continuum range. The present work, taking into account the influence of internal force fields such as magnetic force, electric force and molecular forces, created by particles themselves, recalculated the collision frequency in the case of particles much smaller than the mean free path of the gas (free molecule regime). Attractive forces increase naturally the collision frequency, while repulsive forces decrease it. The calculation was performed for all types of central forces deriving from a potential, including Coulomb forces and Van der Waals forces.

关键词

aerosol particles ; collision frequency function ; coagulation

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