Abstract
The frequency response of a calorimetric flow sensor is simulated for many selected gases. The effect of selected thermal properties of the gas on the frequency response is analyzed. The thermal conductivity is found to be the dominant parameter on the cut-off frequency of the sensor. This influence seems to be linear in nature. Moreover, the influence of the flow speed on the frequency response is also found to be much smaller than that of the thermal conductivity.
Published Version
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