Sounding Mechanism of a Flue Organ Pipe—A Multi-Sensor Measurement Approach

Paolo Bordoni; Piotr Odya; Józef Kotus; Bożena Kostek

doi:10.3390/s24061962

Sounding Mechanism of a Flue Organ Pipe—A Multi-Sensor Measurement Approach

Abstract

This work presents an approach that integrates the results of measuring, analyzing, and modeling air flow phenomena driven by pressurized air in a flue organ pipe. The investigation concerns a Bourdon organ pipe. Measurements are performed in an anechoic chamber using the Cartesian robot equipped with a 3D acoustic vector sensor (AVS) that acquires both acoustic pressure and air particle velocity. Also, a high-speed camera is employed to observe the jet coming out from the windway. For that purpose, the steam resulting from dry ice and hot water is used. A numerical simulation of the sounding mechanism of a pipe of the same geometry is based on measuring the pressure signal and the intensity field around the mouth employing an intensity probe and visualizing and observing the motion of the air jet, which represents the excitation mechanism of the system. The ParaVIEW software serves for the simulation and visualization of the air jet. Then, the results obtained from measurements and simulations are compared and discussed. Also, some future directions discussing the application of a machine-learning approach to the area of pipe organ air flow investigation are contained in the Conclusions section.

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Authors (4)

Paolo Bordoni
- School of Industrial and Information Engineering, Polytechnic University of Milan
Piotr Odya dr inż.
Józef Kotus dr hab. inż.
Bożena Kostek prof. dr hab. inż.

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Details

Category:

Articles

Type:

artykuły w czasopismach dostępnych w wersji elektronicznej [także online]

Published in:

SENSORS
ISSN: 1424-8220

Language:

English

Publication year:

2024

Bibliographic description:

Bordoni P., Odya P., Kotus J., Kostek B., Sounding Mechanism of a Flue Organ Pipe—A Multi-Sensor Measurement Approach, SENSORS, 2024,10.3390/s24061962

DOI: