Traditional Culture Encyclopedia - Traditional stories - What are the main noise sources of cars and engines?
What are the main noise sources of cars and engines?
The noise sources of automobile mainly include: driving device (including engine, clutch, transmission and auxiliary devices), exhaust system, uneven tire surface, braking, wheel water and rain, air intake system, head-on wind and ventilation equipment in the car.
Engine noise sources mainly include combustion noise, piston knocking noise, valve train noise, fuel injection pump noise, gear noise, intake noise, exhaust noise and fan noise.
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