Research on Fiber Bragg Grating Sensor Monitoring Method for Dynamical Stress of Centrifugal Blower Vane

Zhi Xin Hu; Yun Bin Ma; Shuai Huan; Yu Chun Zhen

doi:10.4028/www.scientific.net/AMR.383-390.5222

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 383-390Research on Fiber Bragg Grating Sensor Monitoring...

Research on Fiber Bragg Grating Sensor Monitoring Method for Dynamical Stress of Centrifugal Blower Vane

Abstract:

Monitoring method for dynamical stress of centrifugal blower vane based on Fiber Bragg Grating (FBG) sensing technique is presented in this paper. Consisting of FBG sensors, FBG interrogator and fiber optic rotary joint, this monitoring system has bare FBG as strain sensor, monitors stresses at the inlet and outlet of the centrifugal blower. Details about stick up method of FBG sensors are shown in this paper, either. In addition, this method has been applied to experimental model of centrifugal blower, and it was found that: stress at the outlet of the air vane is more than that at the inlet; within the working range, stress of air vane increases in company with increment of rotating speed, though it is not linear relation between them.

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Periodical:

Advanced Materials Research (Volumes 383-390)

Pages:

5222-5226

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.383-390.5222

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Online since:

November 2011

Authors:

Zhi Xin Hu, Yun Bin Ma, Shuai Huan, Yu Chun Zhen

Keywords:

Centrifugal Blower, Dynamic Vane Stress, Fiber Bragg Grating (FBG)

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