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本文叙述如何以气体流动观点来选择燃气透平的转速：一方面要保证透平级得到所希望 的叶片高度，另一方面要保证透平级得到透平理论所指出的速度比。按照这些观点推出选择 透平转速的公式。这些公式特别适用于小功率的自由活塞式燃气轮机装置及普通双轴燃气轮 机装置中的“负荷透平”。
This article describes how to select the speed of a gas turbine from a gas flow point of view: on the one hand, to ensure the desired blade height at the turbine stage and on the other hand to ensure that the turbine stage has the turbine speed ratio indicated by the turbine theory. According to these views introduced the choice of turbine speed formula. These formulas are particularly suitable for “load turbines” in low-power, free-piston gas turbine units as well as in conventional two-shaft gas turbine units.