Evaluating transmitters for quantifying respiratory airflow in the breathing mechanism

• Autorzy: Barański Robert , Nitkiewicz Szymon , Zając Andrzej , Kukwa Andrzej , Stano Łukasz , Szawarc Sebastian

Identyfikatory

DOI

10.29354/diag/178015

• Języki publikacji: EN

Abstrakty

EN

Techniques for measuring fluid flow have been known since the 19th century. The first solutions based on the use of pressure only allowed relatively slow changes to be observed. It was not until measurement techniques based on the use of electronic components and the phenomenon of thermo-transfer, combined with a method enabling fast signal recording (A/C converters), that it became possible to analyse the flow of a medium (e.g. air) in detail. Although flow sensors based on measuring changes in resistance have been known for many years, new solutions are still being developed. This paper presents the results of a study using three sensors. Their response to laminar airflow was investigated for different velocities (1.2 - 2.6 m/s). The flow forcing was implemented using an axial fan and the signals were measured simultaneously for all the sensors tested. The results showed which sensors had the smallest dispersion of results (PAN and WA sensors) and confirmed that for the investigated velocity variations (0.14 m/s pitch) the results are unambiguously interpretable.. It should be noted that sensor research is related to the need to develop a device to measure flow as accurately as possible, while at the same time ensuring the comfort of the test person during the measurements. Therefore, the search was for a sensor that is small in size and at the same time resistant to damage and operation in a harsh humid environment.

Słowa kluczowe

EN

signal analysis; flow sensors; breathing; measurements

• Wydawca: Polskie Towarzystwo Diagnostyki Technicznej
• Czasopismo: Diagnostyka
• Rocznik: 2024
• Tom: Vol. 25, No. 1
• Strony: art. no. 2024105
• Opis fizyczny: Bibliogr. 28 poz., rys., tab.

Twórcy

autor

Barański Robert

• Department of Mechanics and Vibroacoustics, Faculty of Mechanical Engineering and Robotics, AGH University of Krakow, Poland

• https://orcid.org/0000-0002-2728-6657

autor

Nitkiewicz Szymon

• Department of Mechatronics, Faculty of Technical Sciences, University of Warmia and Mazury, 11 Oczapowskiego St., 10-710 Olsztyn, Poland
• Department of Neurosurgery, School of Medicine, Collegium Medicum, University of Warmia and Mazury, 30 Warszawska St., 10-082 Olsztyn, Poland

• https://orcid.org/0000-0002-2424-4670

autor

Zając Andrzej

• Institute of Optoelectronics, Military University of Technology, 2 Kaliski st, 00-908 Warsaw, Poland

• https://orcid.org/0000-0003-1464-8265

autor

Kukwa Andrzej

• Department and Clinic of Otorhinolaryngology, Head and Neck Diseases, Collegium Medicum, University of Warmia and Mazury in Olsztyn, Warszawska St. 30, 10-082 Olsztyn, Poland

• https://orcid.org/0000-0001-8859-1359

autor

Stano Łukasz

• Weles Acoustics Sp. z o.o., 13 Przemysłowa St., 44-203 Rybnik, Poland

• https://orcid.org/0009-0007-9397-7943

autor

Szawarc Sebastian

• Weles Acoustics Sp. z o.o., 13 Przemysłowa St., 44-203 Rybnik, Poland

• https://orcid.org/0009-0000-2324-1569

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).