The research results show that the engine combustion noise can be reduced by reducing the combustion pressure oscillation inc…
研究结果表明，通过减小缸内压力振荡可降低直喷式柴油机的燃烧噪声。
The research results show that the engine combustion noise can be reduced by reducing the combustion pressure oscillation in combustion chamber.
研究结果表明，通过减小缸内压力振荡可降低直喷式柴油机的燃烧噪声。
The paper reports the results of an investigation of the characteristic of combustion pressure oscillation in a D. I. diesel engine and their effect on engine noise.
本文报告了对直喷式柴油机燃烧压力振荡特性及压力振荡对燃烧噪声影响规律的研究。
The result shows that the "puffs" in the furnace are caused by the pressure oscillation, which indicates that there is combustion oscillation in the furnace.
研究表明，燃烧“喘息”现象是由燃烧压力周期波动引起的，说明炉膛内存在燃烧振荡。
The results show that the high-frequency pressure oscillation is aroused by the combustion chamber's resonance.
有限元计算结果与模态试验结果较吻合，声模态修正后的结果能很好地解释缸内燃烧压力高频振荡。
The results show that the high-frequency pressure oscillation is aroused by the combustion chamber's resonance.
有限元计算结果与模态试验结果较吻合，声模态修正后的结果能很好地解释缸内燃烧压力高频振荡。
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