Source Contribution Analysis for Exterior Noise of a High-Speed Train: Experiments and Simulations

Table 4

The numbers and heights of equivalent noise sources.

Area division of carbody surface	Source height above the rail (m)	Number of equivalent sources	Equivalent source height above the rail (m)
Pantograph	3.4–6.0	2	5.3
Roof region	3.4–4	34	3.8
Train head	1–4	2	2.5 & 0.5
Train rear	1–4	2	2.5 & 0.5
Coach centre	1–3.4	36	2.5
Bogie	0–1	16	0.5
Lower region	0–1	36	0.5
Intercoach	0–4	7	0.5