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A finite element model for evaluating the performance of the MEMS air flow sensor with sapphire as substrate was established. The temperature distribution of the MEMS sensor chip with respect to different air flow was calculated by COMSOL Multiphysics. The trenches etched in the substrate were used to reduce the heat transfer from the heater to the temperature measuring thermistors within the substrate...
For nearly five years, the photoelectric conversion efficiency of the perovskite-based solar cells are extraordinarily developed at a high speed, showing a good application prospect. It is necessary to further optimize the devices and make them industrially feasible. The different temperature requirements of perovskite solar cells during the preparation process will result in undesirable thermal stresses...
The paper presents an analysis of moisture on the output of hot film air flow sensor. The model used for analyzing the influence of moisture on the sensor is set up with the whole sensor structure into consideration. CFD and gas-solid coupled heat transfer model is used for simulation. The thermal physical property of air with moisture is discussed in the paper. The temperature distribution of hot...
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