Development of a Turbocharged Two Stroke Twenty Cylinder Diesel Engine for Marine Application 670949

The selection of a firing order for a 2-stroke, 20 cyl Vee diesel engine is reviewed. Effects of the firing order on crankshaft design and combustion are discussed. Also outlined are the application of a larger bore cylinder in the framework of an existing crankcase and the developments of piston, cylinder head, and crankcase needed to operate with the increased thermal and mechanical loading of the larger bore. The increased air flow provided by turbocharger modifications made possible a 20 cyl engine with marine rating of 3600 bhp. Means for multiple usage of this engine in vessels are suggested.


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