An experimental investigation into the noise of a continuous positive airway pressure device

Gu, Y, Islam, M, Konka, H, McCooey, C and Wang, X 2017, 'An experimental investigation into the noise of a continuous positive airway pressure device', in Proceedings of the 24th International Congress on Sound and Vibration 2017 (ICSV 24), London, United Kingdom, 23-27 July 2017, pp. 6313-6320.


Document type: Conference Paper
Collection: Conference Papers

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Title An experimental investigation into the noise of a continuous positive airway pressure device
Author(s) Gu, Y
Islam, M
Konka, H
McCooey, C
Wang, X
Year 2017
Conference name ICSV 24
Conference location London, United Kingdom
Conference dates 23-27 July 2017
Proceedings title Proceedings of the 24th International Congress on Sound and Vibration 2017 (ICSV 24)
Publisher International Institute of Acoustics and Vibration
Place of publication London, United Kingdom
Start page 6313
End page 6320
Total pages 8
Abstract The noise source and sound pressure level of a functional continuous positive airway pressure device has been investigated in this paper. This paper outlines the experimental study conducted on this device to determine the noise source and identify the root cause of the noise generation in the continuous positive airway pressure device and hence reduce the noise generated. At the end of this paper the conclusions suggest that the major noise source was Structure Borne and the noise was caused due to rotational imbalance of the rotor inside the blower of the device which was deducted from valid experimental results showing that the first harmonic vibration was dominant. In addition to detecting the noise source, solutions to reduce the noise level have been suggested. Most effective method to isolate vibration was found to be addition of an isolation mount. Research was conducted on isolation mounts which included material of mount, mechanism of isolation, active and passive isolation approaches to reduce the noise and vibration generated from rotational imbalance.
Subjects Dynamics, Vibration and Vibration Control
Keyword(s) sound pressure level
structure borne
air borne
noise
vibration
rotational imbalance
Copyright notice Copyright © (2017) by International Institute of Acoustics & Vibration All rights reserved.
ISBN 9781510845855
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