Noise, vibration, aerospace, combustion, combustion engines, mechanic, piston, fuel pump, pressure, engine cooling, fuel, diesel engines
This document presents the different possible sources of noise and vibrations in a combustion engine.
[...] Noise and Vibration in aerospace combustion engines Aerospace combustion engines project Supervisored by: A. E.L. What are noise and vibration? IC ENGINES EC ARE NOT USED TODAY IN TRANSPORTATIO N Source of Noise • Mecanical noise • Piston slap • Crankshaft noise • Intake and exhaust valves knock noise • Fuel pump noise. Source of Noise • Combustion noise: • Fluctuation of cylinder pressure Source of Noise • Aerodynamic noise • Engine cooling fan noise • Intake noise • Exhaust noise Source of Vibration • Normal Vibration Due to the way the fuel explodes under the high compression. [...]
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