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Michigan Tech Publications

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2022

Gravitational settling

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A Simple Parameterization To Enhance The Computational Time In The Three Layer Dry Deposition Model For Smooth Surfaces, Omar M.M. Nofal, Omar Al-Jaghbeer, Zaid Bakri, Tareq Hussein Jul 2022

A Simple Parameterization To Enhance The Computational Time In The Three Layer Dry Deposition Model For Smooth Surfaces, Omar M.M. Nofal, Omar Al-Jaghbeer, Zaid Bakri, Tareq Hussein

Michigan Tech Publications

Optimization of dry deposition velocity calculation has been of great interest. Every time, determining the value of the concentration boundary layer (CBL) thickness led to a waste of numerical calculation time, which appears as a huge time in large-scale climate models. The goal of this study is to optimize the numerical calculation time in the three-layer deposition model for smooth surfaces through the development of a MATLAB code that can parameterize the appropriate concentration boundary layer height (y+cbl) and internal integral calculation intervals for each particle diameter Dp (0.01–100 µm) and friction velocity u* (0.01–100 m/s). The particle concentration, as …