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Discussion about the thermal rebound of nanoparticles

机译:关于纳米粒子的热回弹的讨论

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In the field of aerosol filtration, the theory of thermal rebound of nanoparticles developed by Wang and Kasper [ 10] has been subject of discussion for more than two decades since it does not fit the experiment. The main purpose of this theory is that the filtration efficiency of fibrous filters could decrease in the region of 10nm and below because of an excessive impact velocity of particles. However and despite numerous lab experiments leaded by different teams, the phenomenon has never been clearly observed. We demonstrate in this paper why no thermal rebound effect has ever been measured experimentally. According to our approach, the decrease in filtration efficiency, if any, might only happen below 1 nm, even at high temperatures.
机译:在气溶胶过滤领域,由Wang和Kasper [10]开发的纳米粒子的热回弹理论已经讨论了二十多年,因为它不适合实验。该理论的主要目的是,由于颗粒的过大的撞击速度,纤维过滤器的过滤效率可能会在10nm以下的区域内降低。但是,尽管由不同团队领导进行了大量实验室实验,但从未清楚地观察到这种现象。我们在本文中证明了为什么从未通过实验测量过热回弹效应。根据我们的方法,即使在高温下,过滤效率的降低(如果有的话)也只会在1 nm以下发生。

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