The method to determine optimum scheme for operation of chiller system is studied when the load is varying, and method for annual energy analysis of a chiller system is put forward.
探讨了负荷变化时制冷机系统最优运行方案的确定方法，在此基础上提出了一种对制冷机系统进行全年能耗分析的方法。
Based on the vibration analysis of AE signals under varying load and rotating speed, the patterns of damage vibration of rolling element bearings under varying load and rotating speed were researched.
对各典型状态滚动轴承在不同转速和载荷下的声发射信号进行了振动分析，研究了滚动轴承的损伤振动随转速和载荷的变化规律。
The characteristic parameters of AE which were defined based on vibration analysis under varying load, rotating speed and damage type were also studied.
定义了基于振动分析的声发射信号特征参数，研究了各特征参数随转速、载荷和损伤类型的变化规律。
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