Determination Of The Mixing Ratio In Particular Of A Water/Glycol Mixture By Means Of Ultrasound And A Heat Flow Measurement Based Thereon
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United States of America Patent
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Nov 11, 2021
app pub date -
May 7, 2021
filing date -
May 11, 2020
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Abstract
Various embodiments include a method for determining the mixing ratio R of a fluid comprising a mixture of at least two different fluids for a technical process in a device comprising: irradiating an ultrasonic signal with a transmission level along a measuring distance running inside a measuring section; measuring a receiving level of the ultrasonic signal at one end of the measuring distance; determining an ultrasonic attenuation of the ultrasonic signal attenuated by the fluid based at least on the transmission and receiving levels of the ultrasonic signal; measuring a temperature of the fluid flowing through the measuring section; and determining a mixing ratio of the at least two different fluids from the determined ultrasonic attenuation and from the measured fluid temperature.
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