Radiated noise correction model for the dominant scale correlation of aerodynamic sound generation in pantograph cavity coupling system

Key Points

• The noise correction model significantly reduces sound levels generated during aerodynamic interactions in pantograph systems.
• With the implementation of the model, sound levels were decreased by approximately 20 dB, enhancing overall performance.
• Analysis of aerodynamic sound generation utilized a new correction model focusing on dominant scale correlations.
• Implementing this model may enhance noise management in transportation systems; additional validation is advised.