Research on Dust Effect for MEMS Thermal Wind Sensors

This communication investigated the dust effect on microelectromechanical system (MEMS) thermal wind sensors, with an aim to evaluate performance in practical applications. An equivalent circuit was established to analyze the temperature gradient influenced by dust accumulation on the sensor’s surfa...

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Main Authors: Zhenxiang Yi, Yishan Wang, Ming Qin, Qingan Huang
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/23/12/5533
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author Zhenxiang Yi
Yishan Wang
Ming Qin
Qingan Huang
author_facet Zhenxiang Yi
Yishan Wang
Ming Qin
Qingan Huang
author_sort Zhenxiang Yi
collection DOAJ
description This communication investigated the dust effect on microelectromechanical system (MEMS) thermal wind sensors, with an aim to evaluate performance in practical applications. An equivalent circuit was established to analyze the temperature gradient influenced by dust accumulation on the sensor’s surface. The finite element method (FEM) simulation was carried out to verify the proposed model using COMSOL Multiphysics software. In experiments, dust was accumulated on the sensor’s surface by two different methods. The measured results indicated that the output voltage for the sensor with dust on its surface was a little smaller than that of the sensor without dust at the same wind speed, which can degrade the measurement sensitivity and accuracy. Compared to the sensor without dust, the average voltage was reduced by about 1.91% and 3.75% when the dustiness was 0.04 g/mL and 0.12 g/mL, respectively. The results can provide a reference for the actual application of thermal wind sensors in harsh environments.
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spelling doaj.art-bb70c7763e3e49b489dd0bb124318e6d2023-11-18T12:32:27ZengMDPI AGSensors1424-82202023-06-012312553310.3390/s23125533Research on Dust Effect for MEMS Thermal Wind SensorsZhenxiang Yi0Yishan Wang1Ming Qin2Qingan Huang3Key Laboratory of MEMS of the Ministry of Education, Southeast University, Nanjing 210096, ChinaKey Laboratory of MEMS of the Ministry of Education, Southeast University, Nanjing 210096, ChinaKey Laboratory of MEMS of the Ministry of Education, Southeast University, Nanjing 210096, ChinaKey Laboratory of MEMS of the Ministry of Education, Southeast University, Nanjing 210096, ChinaThis communication investigated the dust effect on microelectromechanical system (MEMS) thermal wind sensors, with an aim to evaluate performance in practical applications. An equivalent circuit was established to analyze the temperature gradient influenced by dust accumulation on the sensor’s surface. The finite element method (FEM) simulation was carried out to verify the proposed model using COMSOL Multiphysics software. In experiments, dust was accumulated on the sensor’s surface by two different methods. The measured results indicated that the output voltage for the sensor with dust on its surface was a little smaller than that of the sensor without dust at the same wind speed, which can degrade the measurement sensitivity and accuracy. Compared to the sensor without dust, the average voltage was reduced by about 1.91% and 3.75% when the dustiness was 0.04 g/mL and 0.12 g/mL, respectively. The results can provide a reference for the actual application of thermal wind sensors in harsh environments.https://www.mdpi.com/1424-8220/23/12/5533thermal wind sensordust effecttemperature differenceaccumulated dust
spellingShingle Zhenxiang Yi
Yishan Wang
Ming Qin
Qingan Huang
Research on Dust Effect for MEMS Thermal Wind Sensors
Sensors
thermal wind sensor
dust effect
temperature difference
accumulated dust
title Research on Dust Effect for MEMS Thermal Wind Sensors
title_full Research on Dust Effect for MEMS Thermal Wind Sensors
title_fullStr Research on Dust Effect for MEMS Thermal Wind Sensors
title_full_unstemmed Research on Dust Effect for MEMS Thermal Wind Sensors
title_short Research on Dust Effect for MEMS Thermal Wind Sensors
title_sort research on dust effect for mems thermal wind sensors
topic thermal wind sensor
dust effect
temperature difference
accumulated dust
url https://www.mdpi.com/1424-8220/23/12/5533
work_keys_str_mv AT zhenxiangyi researchondusteffectformemsthermalwindsensors
AT yishanwang researchondusteffectformemsthermalwindsensors
AT mingqin researchondusteffectformemsthermalwindsensors
AT qinganhuang researchondusteffectformemsthermalwindsensors