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Turbulence Signal Model and Simulation Based on Curvilinear Coordinate System
Turbulence signal processing algorithm is proposed.Numerical calculation and theoretical analysis to complex mathematical nonlinear time-varying turbulence model.The curvilinear coordinate system is established.
By Xiaoyang Liu, Wanping Liu and Chao Liu
Jun. 13, 2016

Turbulence signal processing algorithm is proposed.Numerical calculation and theoretical analysis to complex mathematical nonlinear time-varying turbulence model.The curvilinear coordinate system is established.

In a recent paper by author Dr Xiaoyang Liu. In order to be able to quantitative analysis the harm of turbulence,the risk factor of turbulence is set up which reflects hazard of turbulence.A turbulence signal algorithm is proposed combined with Doppler effect.This algorithm can reflect the characteristics of turbulence and can carry on the detection and prediction of turbulence.

In the paper,the turbulence boundary equations were established,then all grid points of the coordinates can be got by the established equations. The dangerous degree measure (risk factor)was put forward.The mathematical model of risk factor was established as to quantitatively describe the danger level of turbulence.A turbulence signal processing algorithm is proposed combined with the Doppler effect and the computing grid.The simulation results show that the curvilinear coordinate system and three-dimensional turbulence field can reflect the characteristics of turbulence,and risk factor can reflect  the danger level of turbulence,the proposed turbulence signal processing algorithm can detect and forecast the turbulence effectively.

This turbulence signal processing model and mathematical model of risk factor can be used as the reference model of microburst wind shear.Considering the nonlinear of turbulence,the space-time adaptive processing and deconvolution method can be used for turbulence research and other characteristics.

Author:
Xiaoyang Liu,Wanping Liu,Chao Liu.School of Computer Science and Engineering,Chongqing University of Technology,Chongqing,China

A paper about the study appeared recently in Communications.

Paper Link:
http://article.sciencepublishinggroup.com/html/10.11648.j.com.20160401.11.html

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