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Method and vortex flow measuring device for monitoring and/or measuring wall flow of a medium of two or more phases flowing in a pipeline
Method and vortex flow measuring device for monitoring and/or measuring wall flow of a medium of two or more phases flowing in a pipeline
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机译:用于监测和/或测量在管道中流动的两相或更多相的介质的壁流的方法和涡流测量装置
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摘要
A method for monitoring and/or measuring an, at least at times, two-phase medium flowing in a pipeline, and having a first phase, especially a gaseous first phase, with a first density and a second phase, especially a liquid second phase, having a second density different from the first density. The method is performed with a vortex flow measuring device, which has at least one measuring tube inserted into the pipeline, a bluff body and a vortex sensor. In such case, the vortex sensor includes a sensitive section that responds to pressure fluctuations, and that is arranged at least partially adjoining the wall of the measuring tube. In the method, a wall flow of a second phase of a two or more phase medium is detected by the vortex flow measuring device, when a measurement signal which contains characteristic features for an interaction of a wall flow of the second phase of a flowing medium flowing along a wall of the measuring tube with the sensitive section of the first vortex sensor is registered by the vortex sensor.
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