A wind prediction for railway operation by onsite measurement and flow simulation

Abstract

A wind prediction method is investigated for railway operation under strong winds based on onsite measurement and flow simulation. The prediction method can estimate the location and the frequency of the strong wind event. Based on it, a new assessment method for the strong winds in the railway system is also proposed. The proposed method is applied to the estimation of frequency of suspension of railway operation. The proposed method shows agreement with the measurement while conventional methods overestimates or underestimates the frequency. Finally, the effect of wind directions and wind fences are taken into consideration. As a result, the frequency of the train regulation due to strong wind events decreased.