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研究了内燃机气体激振力矩单谐次分量相位波动规律,及其对曲轴扭振相位特性的影响.说明了进行扭振计算时考虑激振力矩相位的必要性,进一步完善了利用单谐次扭振相位诊断故障缸方法的理论.
The law of phase fluctuation of single harmonics component of gas excitation torque of internal combustion engine is studied and its influence on the phase characteristics of torsional vibration of crankshaft is studied.The necessity of considering the phase of excitation torque in torsional vibration calculation is illustrated.Furthermore, Theory of Vibration Phase Diagnosis Fault Cylinder Method.