Series of investigations on diesel engine noise carried out in Research Laboratory of CAV Ltd, in England over last 12 yr indicated that changes in engine structure can achieve substantial reductions in noise; test results obtained showed that predominant noise in automotive diesel engines is produced by rapid pressure rise resulting from combustion; two forms of engine structure could improve structural attenuation; they consist of separate load-carrying structure with attached highly damped outer walls and construction of great bending stiffness cast in low density material such as magnesium.
Noise of automotive diesel engines -- Its causes and reduction
SAE -- Paper
SAE Meeting ; 1965 Noise
1965
30 pages
Conference paper
English
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Noise of Automotive Diesel Engines: Its Causes and Reduction
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