A magnetic micropump based on ferrofluidic actuation

Lung-Ming Fu, Wei Ching Fang, Ting Fu Hong, Chia Yen Lee

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A circular ferrofluidic micropump for biomedical applications is proposed comprising two ferrofluidic plugs contained within a PMMA (Polymethyl-Methacrylate) microchannel and driven by a rotating stepping motor. Orthogonal and tangent-type micropumps are developed. The circular ferrofluidic micropump chip is patterned using a commercially-available CO2 laser scriber. The operation of the micropump relies on the use of magnetically-actuated ferrofluidic plugs. The ferrofluid contacts the pumped fluid but is immiscible with it. The flow rate in the two types of proposed devices can be easily controlled by adjusting the rotational velocity of the stepping motor. Results show that a maximum flow rate of 128 uJ/min is obtained using the tangent-type micropump with a channel width of 1000 u.m and a rotational velocity of 10 rpm with zero pressure head.

Original languageEnglish
Pages (from-to)77-82
Number of pages6
JournalInternational Journal of Automation and Smart Technology
Volume4
Issue number2
DOIs
Publication statusPublished - 2014 Jan 1

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Stepping motors
Flow rate
Magnetic fluids
Microchannels
Polymethyl methacrylates
Contacts (fluid mechanics)
Fluids
Lasers

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Signal Processing
  • Human-Computer Interaction
  • Hardware and Architecture
  • Electrical and Electronic Engineering
  • Artificial Intelligence

Cite this

Fu, Lung-Ming ; Fang, Wei Ching ; Hong, Ting Fu ; Lee, Chia Yen. / A magnetic micropump based on ferrofluidic actuation. In: International Journal of Automation and Smart Technology. 2014 ; Vol. 4, No. 2. pp. 77-82.
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A magnetic micropump based on ferrofluidic actuation. / Fu, Lung-Ming; Fang, Wei Ching; Hong, Ting Fu; Lee, Chia Yen.

In: International Journal of Automation and Smart Technology, Vol. 4, No. 2, 01.01.2014, p. 77-82.

Research output: Contribution to journalArticle

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