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Journal of the Korean Society of Manufacturing Technology Engineers - Vol. 27 , No. 4

[ Article ]
Journal of the Korean Society of Manufacturing Technology Engineers - Vol. 27, No. 4, pp. 357-362
Abbreviation: J. Korean Soc. Manuf. Technol. Eng.
ISSN: 2508-5107 (Online)
Print publication date 15 Aug 2018
Received 24 Mar 2018 Revised 18 Jun 2018 Accepted 11 Jul 2018
DOI: https://doi.org/10.7735/ksmte.2018.27.4.357

소형 다이어프램 펌프의 성능개선을 위한 개스킷 형상에 대한 연구
윤기원a ; 배현우 ; 성재용b, * ; 이명호b

Study on Gasket Shape for Performance Improvement of a Small Diaphragm Pump
Gi Won Yuna ; Hyun Woo Baea ; Jaeyong Sungb, * ; Myeong Ho Leeb
aGraduate School, Department of Mechanical Engineering, Seoul National University of Science and Technology, 232, Gongreung-ro, Nowon-gu, Seoul 01811, Korea
bDepartment of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, 232, Gongreung-ro, Nowon-gu, Seoul 01811, Korea
Correspondence to : *Tel.: +82-2-970-6398 Fax: +82-2-949-1458 E-mail address: jysung@seoultech.ac.kr (Jaeyong Sung).

Funding Information ▼

Abstract

In this study, the gasket shape of a small diaphragm pump was investigated to improve the pump performance and efficiency. The present pump is used for an electric toothbrush that automatically drains out gargling water. The discharge and suction areas are selected as a design factor. To simulate debris in gargling water, various diamond particles were mixed into water. The results show that both the flow rate and pump head increase with discharge and suction areas; however, an optimum discharge to suction area ratio of 2.82 exists. In this condition, the pump water power and efficiency are enhanced by about 16% and 27%, respectively. The addition of particles into water decreases the pump performance due to clogging; however, with middle sized particles, the amount of decrease is minimized.


Keywords: Diaphragm pump, Gasket shape, Pump efficiency, Electric tooth brush, Particle clogging

Acknowledgments

이 연구는 중소기업기술정보원의 산학연협력기술개발사업(연구마을)에서 지원을 받아 수행된 연구 결과입니다.


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