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Particle Lifting Processes in Dust Devils

机译:尘埃魔鬼中的粒子提升过程

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Particle lifting in dust devils on both Earth and Mars has been studied from many different perspectives, including how dust devils could influence the dust cycles of both planets. Here we review our current understanding of particle entrainment by dust devils by examining results from field observations on Earth and Mars, laboratory experiments (at terrestrial ambient and Mars-analog conditions), and analytical modeling. By combining insights obtained from these three methodologies, we provide a detailed overview on interactions between particle lifting processes due to mechanical, thermal, electrodynami-cal and pressure effects, and how these processes apply to dust devils on Earth and Mars. Experiments and observations have shown dust devils to be effective lifters of dust given the proper conditions on Earth and Mars. However, dust devil studies have yet to determine the individual roles of each of the component processes acting at any given time in dust devils.
机译:已经从许多不同的角度研究了地球和火星上的灰尘魔鬼中的粒子,包括尘埃魔鬼如何影响两个行星的尘埃循环。在这里,我们通过检查地球和火星,实验室实验(在地面环境和火星 - 类似条件)和分析建模的情况下,通过检查现场观测结果的结果,审查对灰尘魔鬼的粒子夹带的理解。通过组合从这三种方法获得的见解,我们提供了关于粒子提升过程之间的相互作用的详细概述,因为机械,热电动力,电动 - 压力效应,以及这些过程如何适用于地球和火星的灰尘鬼。实验和观察结果显示了粉尘魔鬼在地球和火星上的适当条件下是有效的灰尘。然而,灰尘魔鬼研究尚未确定每个组分过程的个体角色在尘埃魔鬼中的任何给定时间作用。

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