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油膜振荡
释义
油膜振荡
Encyclopedia
工学
转子动力学
释
oil whip
油膜振荡
油膜涡动频率与一阶临界转速相同时产生共振,振幅增大、轴心轨迹突然变成扩散的不规则曲线,半频谐波振幅值增加到接近或超过基频振幅;转速继续升高,涡动频率保持不变,始终等于转子的一阶临界转速的现象。
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safety technology of logging and perforating operation
safety technology of logging coring operation
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safety technology of oil and gas Long distance pipeline
safety technology of oil and gas testing instruments
safety technology of oil production
safety technology of petroleum drilling
safety technology of pumping unit
safety technology of well logging blasting
safety testing
safety test of nuclear weapon
safety three elements
safety threshold
safety threshold of soil pollutants
safety training
safety values
safety valve
safety valve adjustment
safety valve of pressure vessel
safety voltage
safety water level
safety water mark
safe valve
safflower
safflower rust
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