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Optical rotor temperature sensing apparatus using phosphors and method of measuring the temperature at the bottom of a rotor slot in a rotating rotor
Optical rotor temperature sensing apparatus using phosphors and method of measuring the temperature at the bottom of a rotor slot in a rotating rotor
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机译:使用磷光体的光学转子温度感测设备以及测量旋转转子中转子槽底部温度的方法
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摘要
A temperature sensing apparatus and method of measuring the temperature at the bottom of a rotor slot in a rotating rotor using a temperature sensitive phosphor material. The temperature sensitive phosphor material is placed at the bottom of a rotor slot and is excited, as the rotor rotates, by an excitation source located at a location opposite the rotor, the excited radiation being detected at two spaced locations from the excitation source, the two spaced locations being located also opposite the rotor and spaced apart along the direction of the rotor. Then the decay rate of the detected radiation from the phosphor is determined and from this decay rate the temperature at the bottom of the rotor slot.
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