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Contribution Analysis of Exterior Noise with Indoor Pass-by Measurement
Technical Paper
2011-26-0062
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Event:
SIAT 2011
Language:
English
Abstract
The simulated indoor pass-by noise measurement system is the measurement tool to evaluate the pass-by noise at the test laboratory, without doing measurement at the field. This measurement system can overcome the limitations of the field measurement, i.e. weather conditions, reproducibility.
In this measurement, microphone array is located around the car on chassis dyno. The measured time-domain signals are synchronized with one signal, which is equivalent to the signal recorded in the field representing the moving source effect. By using FRF between indicator and receiver microphones, which are representing source strength and evaluation points correspondingly, source path contribution analysis is performed at 7.5m apart from the centerline of car.
In this paper, the measurement and signal processing on top of the theoretical background would be discussed with the measurement example.
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Authors
Citation
Ryu, Y., Schuhmacher, A., Hirayama, M., and Shirahashi, Y., "Contribution Analysis of Exterior Noise with Indoor Pass-by Measurement," SAE Technical Paper 2011-26-0062, 2011, https://doi.org/10.4271/2011-26-0062.Also In
References
- Moris, Philip M Ingard, K Uno “THEORETICAL ACOUSTICS” Princeton 717 737 2004
- Altin, Everest F “Master Handbook of ACOUSTICS” Fourth McGraw-Hill 453 460 2002
- ISO 362 SAE 1470
- Ryu, Yunseon et al. “Experimental Evaluation of Exterior Noise Contribution” SAE, Paper No. 2009-08-0035 2009
- Ryu, Yunseon Schuhmacher, Andreas Hirayama, Masamitsu “Exterior Noise Contribution Analysis with Simulated Indoor Passby Measurement” SAE, Paper No. 2008-08-0224 2008
- Roth, Ole Internal Technical Report of Bruel & Kjaer 2000
- Morie, Daisuke et al. “The Development of Pass-by Noise Measurement System on Chassis Dynamometer” SAE Paper No. 2007-08-01882 2007