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Semi-analytical solution of the steady three-dimensional advection-diffusion equation in the planetary boundary layer

机译:行星边界层中三维稳态对流扩散方程的半解析解

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We present a three-dimensional solution of the steady-state advection-diffusion equation considering a vertically inhomogeneous planetary boundary layer (PBL). We reach this goal applying the generalized integral transform technique (GITT), a hybrid method that had solved a wide class of direct and inverse problems mainly in the area of heat transfer and fluid mechanics. The transformed problem is solved by the advection-diffusion multilayer model (ADMM) method, a semi-analytical solution based on a discretization of the PBL in sub-layers where the advection-diffusion equation is solved by the Laplace transform technique. Numerical simulations are presented and the performances of the solution are compared against field experiments data. (c) 2006 Elsevier Ltd. All rights reserved.
机译:考虑到垂直不均匀的行星边界层(PBL),我们提出了稳态对流扩散方程的三维解。我们使用广义积分变换技术(GITT)达到了这一目标,广义积分变换技术(GITT)是一种混合方法,已经解决了主要在传热和流体力学领域中的各种正反问题。通过对流扩散多层模型(ADMM)方法解决了转换后的问题,该方法是基于子层中PBL离散化的半解析解,其中通过Laplace变换技术求解了对流扩散方程。给出了数值模拟,并将该解决方案的性能与现场实验数据进行了比较。 (c)2006 Elsevier Ltd.保留所有权利。

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