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자료유형
학술저널
저자정보
저널정보
대한기계학회 Journal of Mechanical Science and Technology Journal of Mechanical Science and Technology Vol.19 No.3
발행연도
2005.3
수록면
894 - 904 (11page)

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The flow structure inside the intake head greatly affects the working efficiency of a vacuum cleaner such as suction power and aero-acoustic noise in this study, the flow inside intake heads of a vacuum cleaner was investigated using qualitative flow visualization and quantitative PIV. (Particle image Velocimetry) techniques The aerodynamic power, suction efficiency and noise level of the intake heads were also measured in order to improve the performance of the vacuum cleaner, inner structure of the flow paths of the intake head, such as trench height and shape of connection chamber were modified. The flow structures of modified intake heads were compared with that of the original intake head The aero-acoustic noise caused by flow separation was reduced and the suction efficiency was also changed due to flow path modification of intake head in this paper, the variations of flow fields for different intake heads are presented and discussed together with results of aerodynamic power, suction efficiency and noise level.

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Abstract

1. Introduction

2. Experimental Apparatus and Methods

3. Results and Discussion

4. Conclusions

Acknowledgments

References

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