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The trajectory parameters analysis of saltating and grains driven by wind

机译:风驱动的盐分和谷粒的轨迹参数分析

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摘要

The study of trajectory parameters of saltating sand grains is of great importance to forming the kinematic theory of wind-sand current. By establishing the simplified theoretical pat- tern and probing into the relationship between lift-off angle(α)and landing angle(β), relation- ship between the ratio of saltation length(L)to maximum height(H)and lift-off angle as well as the angular variation laws of any point on the trajectory, it has also been demonstrated that the relations among these parameters are nonlinear.
机译:研究盐化砂粒的轨迹参数对形成风沙流运动学理论具有重要意义。通过建立简化的理论模型并探究升空角(α)与着陆角(β)之间的关系,可确定盐析长度(L)与最大高度(H)之比与升空之间的关系。轨迹上任意点的角度以及角度变化规律,还证明了这些参数之间的关系是非线性的。

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