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在实际运转的柴油机和喷油泵试验台上测定了高压油管内实际压力波传播速度,进一步探讨了柴油机喷油系统内出现空穴时音速降低的规律,提出了一种根据实测油管压力与针阀升程估算喷油器管道内燃油音速的方法。
The actual pressure wave propagation velocity in the high pressure tubing was measured on the diesel engine and injection pump test bench in practice. The law of the reduction of the sound velocity in the injection system of the diesel engine was further discussed. Based on the measured tubing pressure and the needle valve Method of estimating the speed of the fuel in the injector pipe.