Experimental analysis of a propeller noise in turbulent flow

Jamaluddin, Nur Syafiqah; Celik, Alper; Baskaran, Kabilan; Rezgui, Djamel; Azarpeyvand, Mahdi

doi:10.1063/5.0153326

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Experimental analysis of a propeller noise in turbulent flow

Nur Syafiqah Jamaluddin

, Alper Celik

, Kabilan Baskaran

, Djamel Rezgui

, Mahdi Azarpeyvand

Physics of Fluids, Volume: 35, Issue: 7

Swansea University Author: Alper Celik

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DOI (Published version): 10.1063/5.0153326

Abstract

This paper presents a comprehensive experimental aeroacoustic investigation of a propeller under turbulence ingestion. Two turbulence-generating passive grids were utilized to quantify the effect of turbulence intensity on the aeroacoustic characteristics of the propeller. A two-component hot-wire a...

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Published in:	Physics of Fluids
ISSN:	1070-6631 1089-7666
Published:	AIP Publishing 2023
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa64018

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last_indexed	2024-11-25T14:13:16Z
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The flow field results demonstrate a substantial increase in fluctuating velocity components in both axial and radial directions, concentrated at the mid-span of the blade and near the tip, respectively. Energy spectral analysis in the vicinity of the propeller blade shows significantly higher broadband energy levels with multiple haystacking peaks at the harmonics of the blade passage frequency. Far-field noise and load measurement results show that turbulence ingestion has a strong effect on the aerodynamic loading and acoustic response at the blade passage frequency. The directivity of noise radiation at low frequency shows a significant tonal noise contribution. Meanwhile, broadband noise radiation is more dominant at a higher range of frequency, especially when the propeller is operated with turbulence ingestion and at higher advance ratio settings. 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spelling	2023-09-13T16:34:56.8725677 v2 64018 2023-08-02 Experimental analysis of a propeller noise in turbulent flow 3cb1f558a4b194101105e9c1e8d59cbf 0000-0002-2492-4625 Alper Celik Alper Celik true false 2023-08-02 ACEM This paper presents a comprehensive experimental aeroacoustic investigation of a propeller under turbulence ingestion. Two turbulence-generating passive grids were utilized to quantify the effect of turbulence intensity on the aeroacoustic characteristics of the propeller. A two-component hot-wire anemometry was employed to study the flow field. The flow field results demonstrate a substantial increase in fluctuating velocity components in both axial and radial directions, concentrated at the mid-span of the blade and near the tip, respectively. Energy spectral analysis in the vicinity of the propeller blade shows significantly higher broadband energy levels with multiple haystacking peaks at the harmonics of the blade passage frequency. Far-field noise and load measurement results show that turbulence ingestion has a strong effect on the aerodynamic loading and acoustic response at the blade passage frequency. The directivity of noise radiation at low frequency shows a significant tonal noise contribution. Meanwhile, broadband noise radiation is more dominant at a higher range of frequency, especially when the propeller is operated with turbulence ingestion and at higher advance ratio settings. The far-field noise results revealed the haystacking trends in the low frequency domain of the spectra and are most significant for propellers operating in turbulent inflows. Journal Article Physics of Fluids 35 7 AIP Publishing 1070-6631 1089-7666 Propeller noise, turbulent flow, aeroacoustics, flow field 6 7 2023 2023-07-06 10.1063/5.0153326 http://dx.doi.org/10.1063/5.0153326 COLLEGE NANME Aerospace, Civil, Electrical, and Mechanical Engineering COLLEGE CODE ACEM Swansea University Another institution paid the OA fee The first author would like to acknowledge the financial support of Majlis Amanah Rakyat Malaysia. The second author would like to acknowledge the EPSRC (Engineering and Physical Sciences Research Council) for post-doctoral sponsorship at the University of Bristol from June 2020 to December 2021 (Grant No. EP/S013024/1). The first and third authors would like to acknowledge Horizon 2020 research and innovation programme under Grant Agreement No. 882842 (SilentProp project). All authors would like to thank Luke Bowen for his assistance in manufacturing and analyzing the grid. 2023-09-13T16:34:56.8725677 2023-08-02T22:05:28.2935858 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering Nur Syafiqah Jamaluddin 0000-0002-3677-3481 1 Alper Celik 0000-0002-2492-4625 2 Kabilan Baskaran 0000-0003-2456-6933 3 Djamel Rezgui 0000-0002-9442-4335 4 Mahdi Azarpeyvand 0000-0001-7826-7635 5 64018__28536__d9363370bf95429bb7e91710aa6c5f69.pdf 64018.VOR.pdf 2023-09-13T16:31:58.0474471 Output 7752627 application/pdf Version of Record true © Author(s) 2023. Distributed under the terms of a Creative Commons Attribution 4.0 License (CC BY 4.0). true eng https://creativecommons.org/licenses/by/4.0/
title	Experimental analysis of a propeller noise in turbulent flow
spellingShingle	Experimental analysis of a propeller noise in turbulent flow Alper Celik
title_short	Experimental analysis of a propeller noise in turbulent flow
title_full	Experimental analysis of a propeller noise in turbulent flow
title_fullStr	Experimental analysis of a propeller noise in turbulent flow
title_full_unstemmed	Experimental analysis of a propeller noise in turbulent flow
title_sort	Experimental analysis of a propeller noise in turbulent flow
author_id_str_mv	3cb1f558a4b194101105e9c1e8d59cbf
author_id_fullname_str_mv	3cb1f558a4b194101105e9c1e8d59cbf_***_Alper Celik
author	Alper Celik
author2	Nur Syafiqah Jamaluddin Alper Celik Kabilan Baskaran Djamel Rezgui Mahdi Azarpeyvand
format	Journal article
container_title	Physics of Fluids
container_volume	35
container_issue	7
publishDate	2023
institution	Swansea University
issn	1070-6631 1089-7666
doi_str_mv	10.1063/5.0153326
publisher	AIP Publishing
college_str	Faculty of Science and Engineering
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department_str	School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering
url	http://dx.doi.org/10.1063/5.0153326
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description	This paper presents a comprehensive experimental aeroacoustic investigation of a propeller under turbulence ingestion. Two turbulence-generating passive grids were utilized to quantify the effect of turbulence intensity on the aeroacoustic characteristics of the propeller. A two-component hot-wire anemometry was employed to study the flow field. The flow field results demonstrate a substantial increase in fluctuating velocity components in both axial and radial directions, concentrated at the mid-span of the blade and near the tip, respectively. Energy spectral analysis in the vicinity of the propeller blade shows significantly higher broadband energy levels with multiple haystacking peaks at the harmonics of the blade passage frequency. Far-field noise and load measurement results show that turbulence ingestion has a strong effect on the aerodynamic loading and acoustic response at the blade passage frequency. The directivity of noise radiation at low frequency shows a significant tonal noise contribution. Meanwhile, broadband noise radiation is more dominant at a higher range of frequency, especially when the propeller is operated with turbulence ingestion and at higher advance ratio settings. The far-field noise results revealed the haystacking trends in the low frequency domain of the spectra and are most significant for propellers operating in turbulent inflows.
published_date	2023-07-06T08:17:54Z
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Experimental analysis of a propeller noise in turbulent flow

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