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床附近流对微塑料在河流中的命运和运输的影响

Huan Yang1, Hosein Foroutan1

  • 1Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA 24061, United States.

The Science of the total environment
|September 20, 2023
PubMed
概括

低温交换对流中的微塑料运输产生了重大影响,特别是对于小而轻的颗粒. 这种河床流动可以控制微塑料运动到800微米,特别是在沉积物-水界面附近.

关键词:
计算流体动力学 (CFD) 是一种计算流体动力学.希波雷斯的交换方式塑料污染问题 塑料污染问题沉积物与水的相互作用动荡的流动流动的流动.

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Turbulent flow is characterized by unpredictable fluctuations in velocity and pressure, which result in a chaotic fluid movement distinct from the orderly patterns of laminar flow. While laminar flow is governed by smooth, parallel layers with minimal mixing, turbulent flow exhibits highly irregular, three-dimensional patterns. This behavior arises due to instabilities in the fluid's velocity profile, and amplifies as the flow velocity increases. Minor disturbances, known as turbulent...
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