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Authors: Hyun Gwon Kil 1 ; Kwan Ho Jeon 1 ; Bo Youn Jang 2 and Chan Lee 1

Affiliations: 1 Department of Mechanical Engineering, University of Suwon, Hwaseongsi, Gyeonggi-do and Korea ; 2 R&D Center, Myunghwa Ind.Co., Ltd., Danwon-gu, Ansan-si, Gyeonggi-do and Korea

Keyword(s): Perforated Diffusive Muffler, Regenerative Blower, Transmission Loss.

Related Ontology Subjects/Areas/Topics: Complex Systems Modeling and Simulation ; Fluid Dynamics ; Simulation and Modeling

Abstract: A perforated diffusive muffler has been developed to reduce a high noise level that is generated from a regenerative blower. The noise consists of two components such as discrete frequency noise component at blade passing frequency due to rotating impellers and broadband noise component due to turbulence produced in the regenerative blower. Main contribution into the high noise level is due to the discrete frequency noise component. In order to effectively reduce the noise level of the regenerative blower, a perforated diffusive muffler has been designed and manufactured in this paper. Its experimental test showed that 23 dB of noise reduction has been achieved by attaching the muffler to the regenerative blower. Noise level of 85dBA generated by the regenerative blower was reduced to noise level of 62dBA.

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Paper citation in several formats:
Kil, H. G., Jeon, K. H., Jang, B. Y. and Lee, C. (2018). Development of a Perforated Diffusive Muffler for a Regenerative Blower. In Proceedings of 8th International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH; ISBN 978-989-758-323-0; ISSN 2184-2841, SciTePress, pages 289-296. DOI: 10.5220/0006861502890296

@conference{simultech18,
author={Hyun Gwon Kil and Kwan Ho Jeon and Bo Youn Jang and Chan Lee},
title={Development of a Perforated Diffusive Muffler for a Regenerative Blower},
booktitle={Proceedings of 8th International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH},
year={2018},
pages={289-296},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006861502890296},
isbn={978-989-758-323-0},
issn={2184-2841},
}

TY - CONF

JO - Proceedings of 8th International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH
TI - Development of a Perforated Diffusive Muffler for a Regenerative Blower
SN - 978-989-758-323-0
IS - 2184-2841
AU - Kil, H.
AU - Jeon, K.
AU - Jang, B.
AU - Lee, C.
PY - 2018
SP - 289
EP - 296
DO - 10.5220/0006861502890296
PB - SciTePress

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