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Karman Vortex Flowmeter Assembly Comprising A Fiber Bragg Grating Sensor And Method To Measure A Fluid Flow Rate
Karman Vortex Flowmeter Assembly Comprising A Fiber Bragg Grating Sensor And Method To Measure A Fluid Flow Rate
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机译:包括光纤布拉格光栅传感器的Karman涡街流量计组件和测量流体流速的方法
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摘要
An assembly comprising a fluid channel and a flowmeter, the flowmeter (1) comprising at least one vortex shedder (2) extending in the channel (C), each vortex shedder (2) being configured to generate Karman vortices (V) in fluid flowing through the channel (C) during operation, wherein each vortex shedder (2) is provided with a first fiber Bragg grating (FBG) of a fiber Bragg grating sensor (3, 7, FBG), wherein a Karman vortex frequency (fe) of the vortices (V) generated by the vortex shedder (2) is detectable utilizing a fiber Bragg grating (FBG) sensor signal relating to the respective first fiber Bragg grating (FBG) of that vortex shedder (2).
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