A thermal sensor has been developed at IMTEK to perform flow measurement and fluid characterization. It features low power consumption and a simple geometry. By means of numerical simulations it is shown that alternating electric excitation at high frequency (200 Hz) makes possible the identification of common gases flowing in a microfluidic channel by measuring the amplitude of the temperature oscillations at the central location of the sensor. Additionally, flow measurement is achieved up to 0.1 m/s. © 2012 The Authors. Published by Elsevier Ltd.
Reyes-Romero, D. F., Cubukcu, A. S., & Urban, G. A. (2012). AC simulation of a thermal flow sensor in a microfluidic Channel. In Procedia Engineering (Vol. 47, pp. 1394–1397). Elsevier Ltd. https://doi.org/10.1016/j.proeng.2012.09.417