Acceleration-Insensitive Pressure Sensor for Aerodynamic Analysis

Author:

Szczerba Zygmunt1ORCID,Szczerba Piotr1ORCID,Szczerba Kamil1,Pytel Krzysztof2ORCID

Affiliation:

1. Faculty of Mechanical Engineering and Aeronautics, Rzeszów University of Technology, al. Powstańców Warszawy 12, 35-959 Rzeszów, Poland

2. Faculty of Mechanical Engineering and Robotics, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland

Abstract

This paper presents a method for preparing a pressure sensor that is insensitive to acceleration along with experimental evidence of its efficacy in aerodynamic analysis. A literature review and preliminary studies revealed the undesirable effect of acceleration on sensors that are located on moving elements, as evidenced by deviations from actual pressure values for piezoresistive pressure sensors that are made using MEMS technology. To address this, the authors developed a double-membrane sensor geometry that eliminated this imperfection; a method of implementing two solo pressure sensors as a new geometry-designed sensor was also proposed. Experimental tests of this suggested solution were conducted; these measurements are presented here. The results indicated that this new sensor concept could be used to measure the dynamic pressures of rotating and moving objects in order to obtain measurement results that are more reliable and closer to the true values that are derived from aerodynamic analyses. The published results confirm the reliability of the proposed device.

Publisher

MDPI AG

Subject

Energy (miscellaneous),Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment,Electrical and Electronic Engineering,Control and Optimization,Engineering (miscellaneous),Building and Construction

Reference33 articles.

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3. Modeling and Analysis of the AFPM Generator in a Small Wind Farm System;Hanus;Methods and Techniques of Signal Processing in Physical Measurements,2019

4. Szczerba, Z., Szczerba, P., and Szczerba, K. (2023, January 01). Differential Pressure Transducer Patent P—240391, Available online: https://ewyszukiwarka.pue.uprp.gov.pl/search/pwp-details/P.431352.

5. Szczerba, Z. (2023, January 01). Pressure Sensor and Pressure Measuring Method, Patent P-225030, Available online: https://ewyszukiwarka.pue.uprp.gov.pl/search/pwp-details/P.406992?lng=Pl.

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