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steam turbine and method for measuring the vibration of a laufschaufel in a flow channel of a steam turbine
steam turbine and method for measuring the vibration of a laufschaufel in a flow channel of a steam turbine
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机译:蒸汽轮机以及测量蒸汽轮机流道中的劳夫绍费尔振动的方法
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摘要
Steam turbine has an optical measurement system (60) for measuring the timing of a turbine blade (33) that is placed in a flow channel (25). The measurement system comprises an emitter (55) for transmission of a light beam (61) onto the turbine blade and a receiver (57) that collects the reflected light beam. Transmitter and receiver are separate entities. An Independent claim is made for a method for measuring the timing of a turbine blade in which a light emitter and receiver are set up so that the reflection angle of light transmitted, reflected by the blade and detected is greater than 45 degrees.
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