Centrifugal impeller vibration damping test system and method
A centrifugal impeller and vibration damping technology, which is applied in the field of compressors, can solve the problems that it is difficult to directly measure the vibration damping data of the rotating impeller, there is no impeller test system and method, and the aerodynamic damping is not simple and feasible, etc. Simple, simultaneous measurement, easy installation results
Active Publication Date: 2018-10-19
HEFEI GENERAL MACHINERY RES INST
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The invention relates to a centrifugal impeller vibration damping test system and method. The test system includes a closed loop system in which a to-be-tested centrifugal compressor is located and awireless receiving gateway. The surface of a centrifugal impeller of the centrifugal compressor is provided with a strain sensor used for measuring the blade strain. The front shaft end of the centrifugal impeller is provided with a wireless emitter which is connected to the strain sensor through a data line and emits strain signals to the wireless receiving gateway. The wireless emitter synchronously rotates with the centrifugal impeller. The wireless emitter is connected to the shaft end of the centrifugal impeller and synchronously rotates with the centrifugal impeller. Therefore, the disadvantages of a conventional wired data transmission technologies that the wiring is complex and the reliability of the structure is low. The test system and method are beneficial to the improvement ofthe operational reliability and structural stability of the test system.
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