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5.3.1 Key design elements of a radio-acoustic-sounding system for industrial applications

D. Exel, B. Zagar, S. Schuster, S. Scheiblhofer, D. Zankl, V. Ganglberger, J. Reisinger, AMA Assocation For Sensors And Measurement, Sophie-Charlotten-Str. 15, 14059 Berlin, Informationstechnische Gesellschaft Im VDE (ITG), Frankfurt, VDI/VDE-Gesellschaft Mess- Und Automatisierungstechnik (GMA), Düsseldorf
2019

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This article discusses compact radio-acoustic-sounding systems (RASSs) for industrial applications. The electromagnetic-acoustic interaction enables to measure temperatures of gases without contact and spatially resolved. For this purpose, the speed of a modulated sound pulse, travelling through the gas with a velocity proportional to the temperature, is determined with a Doppler radar. The optimum sound pulse´s in terms of its frequency is discussed. The so called Bragg condition is essential
more » ... o obtain sufficient receive power. The two most important conditions for an optimal Bragg reflection are the tuning of the wavelengths and an optimal collocation of the sources. These conditions are calculated numerically and verified with real-world measurement data. One purpose of this paper is to summarize physical effects that are key elements to the function of the RASS.
doi:10.5162/sensoren2019/5.3.1 fatcat:mkfbdkylwramzibo3belzcdwsm
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D. Exel, B. Zagar, S. Schuster, S. Scheiblhofer, D. Zankl, V. Ganglberger, J. Reisinger, AMA Assocation For Sensors And Measurement, Sophie-Charlotten-Str. 15, 14059 Berlin, Informationstechnische Gesellschaft Im VDE (ITG), Frankfurt, VDI/VDE-Gesellschaft Mess- Und Automatisierungstechnik (GMA), Düsseldorf. "5.3.1 Key design elements of a radio-acoustic-sounding system for industrial applications." (2019)