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Civil-Comp Conferences
ISSN 2753-3239
CCC: 7
PROCEEDINGS OF THE SIXTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE
Edited by: J. Pombo
Paper 13.3

Noise Characteristics and Noise Control of a Suspended Aerial Rail Train

S. Ding, D. Chen, Y. Zhao, Y. Yu and J. Du

Qingdao Sifang Co., Ltd., CRRC, China

Full Bibliographic Reference for this paper
S. Ding, D. Chen, Y. Zhao, Y. Yu, J. Du, "Noise Characteristics and Noise Control of a Suspended Aerial Rail Train", in J. Pombo, (Editor), "Proceedings of the Sixth International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 7, Paper 13.3, 2024, doi:10.4203/ccc.7.13.3
Keywords: suspended aerial rail train, source-path-receiver, vibration-noise characterization, low noise design, vehicle noise simulation prediction, noise line test validation.

Abstract
Compared with the conventional rail transit, the suspended aerial rail train has a big difference in the vehicle structure, which shows the uniqueness in the vehicle noise, so it has an important research value. In this paper, we investigate the vibration noise characteristics of the suspended aerial rail train based on the "source-path-receiver" model. We design a low-noise scheme to control the vehicle noise, and use the statistical energy approach (SEA) to establish a noise simulation prediction model. The model is verified by noise tests to be in high agreement with the actual situation. Suspended aerial rail trains have significant advantages over conventional rail transit vehicles in terms of noise control, which helps to better meet noise standards and ensure stable operation.

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