QC/T 1233-2025 English PDF - Vehicle Wind Buffeting Measurement
Wind buffeting measurement method for motor vehicle
Standard Details
QC/T 1233-2025 (English Version)
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QC/T 1233-2025 (Chinese Version)
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Standard Introduction
This document specifies the measurement methods for interior wind buffeting noise of motor vehicles during driving with windows open, including the road measurement method and the aeroacoustic wind tunnel measurement method.
The road measurement method in this document applies to Category M and Category N vehicles.
The aeroacoustic wind tunnel measurement method in this document applies to Category Nā vehicles, as well as Category M vehicles with a mass of below 3,500 kg.
Standard Catalog
The standard consists of the following main sections:
Foreword
1 Scope
2 Normative References
3 Terms and Definitions
4 Requirements for Test Vehicles
5 Requirements for Measuring Instruments
6 Test Conditions for Wind Buffeting Measurement
7 Measurement Methods
Appendix A (Normative) Road Measurement Method for Vehicle Wind Buffeting
Appendix B (Normative) Aeroacoustic Wind Tunnel Measurement Method for Vehicle Wind Buffeting
Appendix C (Informative) Test Conditions for Vehicle Wind Buffeting Measurement
Appendix D (Informative) Records for Road Measurement Method of Vehicle Wind Buffeting
Appendix E (Informative) Records for Aeroacoustic Wind Tunnel Measurement Method of Vehicle Wind Buffeting
References
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