서지주요정보
마이크로 플루이딕 시스템을 위한 디퓨저/노즐 마이크로 펌프 내에서의 유체 전산모사 = Numerical simulation of flow in a piezoelectric diffuser/nozzle-based micropump for microfluidic application
서명 / 저자 마이크로 플루이딕 시스템을 위한 디퓨저/노즐 마이크로 펌프 내에서의 유체 전산모사 = Numerical simulation of flow in a piezoelectric diffuser/nozzle-based micropump for microfluidic application / 송영수.
저자명 송영수 ; Song, Young-Soo
단체명 생명화학공학과
발행사항 [대전 : 한국과학기술원, 2002].
Online Access 원문보기 원문인쇄

소장정보

등록번호

8012956

소장위치/청구기호

학술문화관(문화관) 보존서고

MCBE 02008

SMS전송

도서상태

이용가능

대출가능

반납예정일

초록정보

Micropump, which controls small volume of fluid, was investigated for application in microfluidic system. In this study, micropump used piezoelectric actuation, and dynamic passive valves (diffuser/nozzle elements). Piezoelectric diffuser/nozzle-based micropump is expected that it is able to response rapidly, consume lower energy, have lower fatigue, and handle fluid mediums independently of its electrical properties. Pumping efficiency is related to rectification efficiency of diffuser/nozzle elements that is decided by shape of diffuser/nozzle elements. Previous studies on the micropump were tend to investigate with the experiment and focus on the diffuser/nozzle elements. In this study, we observed the micropump system that included the diffuser/nozzle elements and pumping chamber by numerical simulation with shorter time range (one cycle) than experimental. We used time dependent and deforming mesh scheme with boundary conditions of zero static pressure at inlet and outlet. As the result, when frequency of actuation increase, the pumping rate increase. During supply mode, maximum pumping efficiency was observed at zero deflection. Varying the opening angle of diffuser/nozzle elements, it was found that there are maximum efficiency at small angle, and minimum at large angle. And we also observed the circular flow in pump chamber at supply mode that is expected mixing pumped medium.

서지기타정보

서지기타정보
청구기호 {MCBE 02008
형태사항 vi, 55 p. : 삽도 ; 26 cm
언어 한국어
일반주기 저자명의 영문표기 : Young-Soo Song
지도교수의 한글표기 : 김도현
지도교수의 영문표기 : Do-Hyun Kim
학과명칭변경 : 화학공학과가 생명화학공학과로 변경됨 (2002년부터)
학위논문 학위논문(석사) - 한국과학기술원 : 생명화학공학과,
서지주기 참고문헌 : p. 54-55
주제 마이크로펌프
마이크로플루이딕
디퓨저
압전
micropump
microfluidic
diffuser
piezoelectric
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