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引 言 长期以来,气流脉动及其形成的振动与带压气体的压缩和输送,已经是同义语了。今天,往复式压缩机的转速不仅有超过前几年的一般倾向,而且相应的机器单位重量的功率 （Horsepower/unit weight）也增加了。较高的速度、不大的阻力,以及提高机器效率,已经用来满足不断变化的工业需要。随着当代往复式压缩机许多主要部件改进以及总效率的提高,问题的范围又有新的进展,而且其他著名难题的某些侧面也占有新的比例成份。在这一类问题中,主要是过大的气流脉动以及与脉动现象相关的一些讨厌的效应。压缩机的往复作用和管道的反作用,结果就形成脉动现象。 所有空气压缩机均需管道,或将吸入空气
Introduction For a long time, the pulsation of air flow and the vibration formed by it have been synonymous with the compression and transport of pressurized gas. Today, the speed of reciprocating compressors not only exceeds the general preference of previous years, but the corresponding machine power per unit weight (Horsepower) has also increased. Higher speeds, less resistance, and increased machine efficiency have been used to meet changing industrial needs. As many of the major components of contemporary reciprocating compressors have improved and their overall efficiency has been raised, new progress has been made in the scope of the problem and certain aspects of other well-known puzzles have taken up new proportions. In this type of problem, the main is the excessive air flow pulsation and some annoying effects related to the pulsation phenomenon. The reciprocating action of the compressor and the reaction of the pipe result in pulsation. All air compressors require piping or air will be drawn in