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What does NVH mean?

1 Answers

LePeyton

07/29/25 6:51pm

NVH is the English abbreviation for Noise, Vibration, and Harshness. Below is relevant information about automotive NVH: The role of NVH: NVH is a comprehensive issue that measures the manufacturing quality of automobiles, providing the most direct and superficial experience for car users. NVH issues in vehicles are one of the concerns for major automotive manufacturers and component companies in the international automotive industry. Internal relationships of NVH: The generation of automotive vibration and noise is not independent but closely interrelated. It can be said that noise originates from vibration, and these three factors—vibration, noise, and comfort—are closely connected. It is necessary to reduce vibration and noise while improving ride comfort, ensuring product safety, environmental friendliness, and performance. Characteristics of NVH issues: NVH issues are systemic. For example, if a car's cabin noise is loud while driving, and the source is traced back to the engine, this noise problem may involve three aspects: first, the engine itself is noisy; second, the vibration damping effect of the engine mounting components is poor; and third, the sound insulation technology of the cabin front wall and floor is inadequate.

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