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Six-Cylinder-In-Line Turbo-Charged Diesel Engine Crankshaft Torsional Vibration Characteristics
ISSN: 0148-7191, e-ISSN: 2688-3627
Published November 12, 2001 by SAE International in United States
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Engine crankshafts have been designed to avoid low-harmonic-order resonant torsional vibration in a commonly-used engine speed range, but the authors have found that, in some engines, especially turbo-charged engines, a significant degree of a low-harmonic-order exciting torque acts on the crankshaft. In these engines, the amplitude of non-resonant low-harmonic-order torsional vibration is almost as large as that of the resonant one. The authors conclude that the 3rd-order non-resonant torsional amplitude is not only significant but also characteristic of the turbo-charged engine in comparison with the naturally-aspirated engine, and recommend that crankshafts on turbo-charged diesel engines should be made stiffer than those on naturally-aspirated engines.
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CitationKimura, J., Kai, R., and Shibata, S., "Six-Cylinder-In-Line Turbo-Charged Diesel Engine Crankshaft Torsional Vibration Characteristics," SAE Technical Paper 2001-01-2719, 2001, https://doi.org/10.4271/2001-01-2719.
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