Traffic Noise Propagating from Vibration of Railway Wagon

Table 1

Lateral and vertical velocities at 1/3 octave over leading and trailing pivot.

Frequency (Hz)	Lat.vel.over ldg.pivot (m/s)	Lat.vel.over tlg.pivot (m/s)	Vert.vel.over ldg.pivot (m/s)	Vert.vel.over tlg.pivot (m/s)
20	7.62𝐸−04	3.46𝐸−05	6.36𝐸−04	3.43𝐸−04
25	1.18𝐸−04	2.11𝐸−05	1.42𝐸−04	4.96𝐸−05
31.5	1.92𝐸−04	2.45𝐸−06	1.85𝐸−04	3.35𝐸−05
40	7.51𝐸−05	3.80𝐸−06	4.29𝐸−05	4.28𝐸−06
50	2.69𝐸−05	5.05𝐸−06	5.70𝐸−05	1.46𝐸−05
63	3.82𝐸−05	1.76𝐸−06	4.88𝐸−05	1.15𝐸−05
80	1.46𝐸−05	1.75𝐸−06	1.91𝐸−05	4.19𝐸−06
100	1.05𝐸−05	7.02𝐸−07	7.18𝐸−06	1.27𝐸−06
125	5.18𝐸−06	6.90𝐸−07	4.34𝐸−06	8.14𝐸−07
160	3.96𝐸−06	2.85𝐸−07	1.18𝐸−06	1.62𝐸−08
200	2.46𝐸−06	2.02𝐸−07	5.73𝐸−07	7.91𝐸−08
250	1.58𝐸−06	1.30𝐸−07	4.25𝐸−07	4.33𝐸−08
315	9.64𝐸−07	8.71𝐸−08	2.57𝐸−07	1.51𝐸−08
400	6.26𝐸−07	5.48𝐸−08	1.66𝐸−07	1.24𝐸−08
500	4.15𝐸−07	3.62𝐸−08	1.04𝐸−07	5.95𝐸−09
625	2.86𝐸−07	2.45𝐸−08	6.57𝐸−08	5.04𝐸−09
800	1.97𝐸−07	1.66𝐸−08	4.88𝐸−08	3.47𝐸−09
1,000	1.46𝐸−07	1.28𝐸−08	3.42𝐸−08	2.07𝐸−09