GB/T 12536-1990
AbolishedMotor vehicles--Coastdown--Test method
汽车滑行试验方法
Application Summary AI generated
This standard specifies the test method for measuring the coastdown performance of motor vehicles, which involves decelerating from a set speed in neutral gear on a level road. It is applied in the automotive industry to evaluate vehicle rolling resistance and aerodynamic drag, primarily during vehicle development and type-approval testing. The results are used to calculate road load coefficients for fuel economy and emissions certification on chassis dynamometers.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.