자동차용 워터펌프의 스퀼소음 저감을 위한 영향도 분석Parametric Study for the Squeal Noise Reduction of an Automobile Water Pump
- Other Titles
- Parametric Study for the Squeal Noise Reduction of an Automobile Water Pump
- Authors
- 김보형; 정원영; 백홍길; 강동진; 정진태
- Issue Date
- Jul-2013
- Publisher
- 한국소음진동공학회
- Keywords
- Squeal Noise; Water Pump; 스퀼소음; 워터펌프
- Citation
- 한국소음진동공학회논문집, v.23, no.7, pp.624 - 630
- Indexed
- KCI
- Journal Title
- 한국소음진동공학회논문집
- Volume
- 23
- Number
- 7
- Start Page
- 624
- End Page
- 630
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/29738
- DOI
- 10.5050/KSNVE.2013.23.7.624
- ISSN
- 1598-2785
- Abstract
- In this study, a parametric study is performed to investigate the squeal noise of an automobile water pump. The squeal noise studied in this paper is generated by the self-excited torsional resonance of the rotating shaft, and this noise is related to the stick-slip phenomenon of the mechanical seal in the water pump. The mechanical seal friction has the characteristics of the negative velocity-gradient. The equations of motion of multiple-degree-of-freedom torsional vibration model is constructed by the Holzer’s method and then the equation is transformed to an equivalent single-degree-of-freedom torsional resonance simulation model. A squeal noise criteria is determined by the simulation model to perform the parametric study. The design parameters(the mass moment of inertia of the pulley, the mass moment of inertia of the impeller, the length of the shafts, the radius of the shafts, spinning speed of the shafts, the position of the mechanical seal, radius of the mechanical seal, and normal load of the mechanical seal) are investigated to confirm the stability for the squeal noise.
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