Temperature-Dependent Property Effects on Laminar Flow Characteristics in a Rectangular Microchannel

Ho Joon Park; Sang Young Son; Mun Cheol Choi; Geunbae Lim; In Seob Song; James Jungho Pak

Temperature-Dependent Property Effects on Laminar Flow Characteristics in a Rectangular Microchannel

Ho Joon Park, Sang Young Son, Mun Cheol Choi, Geunbae Lim, In Seob Song, James Jungho Pak

School of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

This paper investigated experimentally effects of the temperature-dependent property on the laminar flow characteristics in the micro-channel, where water was used as a working fluid. A rectangular straight micro-channel was fabricated with the dimension of 57 μm (H) × 200 μm (W) × 48050 μm (L), in which the resistance temperature detectors (RTDs) were integrated to measure precise temperatures of the fluid directly on the inside-surface of the channel wall. A micro-heater was also installed at the outlet of the channel to generate the heat flux. We measured pressure drop by increasing mass flow rate and the applied heating power. At the same time, micro-Particle Image Velocimetry (micro-PIV) measured the detailed velocity fields along the microcharmel, where the wall temperature varied. Based on the pressure drop and Micro-PIV measurement, it was determined that the variation of the fluid property along the microchannel has an effect significantly on flow resistance but not considerably on the velocity profile. Also, it was observed that flow resistance and velocity field shows a good agreement with those estimated in the macro laminar theory under our experimental conditions.

Original language	English
Title of host publication	Micro-Electro-Mechanical Systems (MEMS) - 2001
Editors	A.L. Lee, J. Simon, K. Breuer, S. Chen, R.S. Keynton, A. Malshe, J.-I. Mou, M. Dunn
Pages	443-448
Number of pages	6
Publication status	Published - 2001
Event	2001 ASME International Mechanical Engineering Congress and Exposition - New York, NY, United States Duration: 2001 Nov 11 → 2001 Nov 16

Publication series

Name	American Society of Mechanical Engineers, Micro-Electromechanical Systems Division Publication (MEMS)
Volume	3

Other

Other	2001 ASME International Mechanical Engineering Congress and Exposition
Country/Territory	United States
City	New York, NY
Period	01/11/11 → 01/11/16

ASJC Scopus subject areas

Engineering(all)

Cite this

Park, H. J., Son, S. Y., Choi, M. C., Lim, G., Song, I. S., & Pak, J. J. (2001). Temperature-Dependent Property Effects on Laminar Flow Characteristics in a Rectangular Microchannel. In A. L. Lee, J. Simon, K. Breuer, S. Chen, R. S. Keynton, A. Malshe, J-I. Mou, & M. Dunn (Eds.), Micro-Electro-Mechanical Systems (MEMS) - 2001 (pp. 443-448). (American Society of Mechanical Engineers, Micro-Electromechanical Systems Division Publication (MEMS); Vol. 3).

Temperature-Dependent Property Effects on Laminar Flow Characteristics in a Rectangular Microchannel. / Park, Ho Joon; Son, Sang Young; Choi, Mun Cheol et al.

Micro-Electro-Mechanical Systems (MEMS) - 2001. ed. / A.L. Lee; J. Simon; K. Breuer; S. Chen; R.S. Keynton; A. Malshe; J.-I. Mou; M. Dunn. 2001. p. 443-448 (American Society of Mechanical Engineers, Micro-Electromechanical Systems Division Publication (MEMS); Vol. 3).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Park, HJ, Son, SY, Choi, MC, Lim, G, Song, IS & Pak, JJ 2001, Temperature-Dependent Property Effects on Laminar Flow Characteristics in a Rectangular Microchannel. in AL Lee, J Simon, K Breuer, S Chen, RS Keynton, A Malshe, J-I Mou & M Dunn (eds), Micro-Electro-Mechanical Systems (MEMS) - 2001. American Society of Mechanical Engineers, Micro-Electromechanical Systems Division Publication (MEMS), vol. 3, pp. 443-448, 2001 ASME International Mechanical Engineering Congress and Exposition, New York, NY, United States, 01/11/11.

Park HJ, Son SY, Choi MC, Lim G, Song IS, Pak JJ. Temperature-Dependent Property Effects on Laminar Flow Characteristics in a Rectangular Microchannel. In Lee AL, Simon J, Breuer K, Chen S, Keynton RS, Malshe A, Mou J-I, Dunn M, editors, Micro-Electro-Mechanical Systems (MEMS) - 2001. 2001. p. 443-448. (American Society of Mechanical Engineers, Micro-Electromechanical Systems Division Publication (MEMS)).

Park, Ho Joon ; Son, Sang Young ; Choi, Mun Cheol et al. / Temperature-Dependent Property Effects on Laminar Flow Characteristics in a Rectangular Microchannel. Micro-Electro-Mechanical Systems (MEMS) - 2001. editor / A.L. Lee ; J. Simon ; K. Breuer ; S. Chen ; R.S. Keynton ; A. Malshe ; J.-I. Mou ; M. Dunn. 2001. pp. 443-448 (American Society of Mechanical Engineers, Micro-Electromechanical Systems Division Publication (MEMS)).

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N2 - This paper investigated experimentally effects of the temperature-dependent property on the laminar flow characteristics in the micro-channel, where water was used as a working fluid. A rectangular straight micro-channel was fabricated with the dimension of 57 μm (H) × 200 μm (W) × 48050 μm (L), in which the resistance temperature detectors (RTDs) were integrated to measure precise temperatures of the fluid directly on the inside-surface of the channel wall. A micro-heater was also installed at the outlet of the channel to generate the heat flux. We measured pressure drop by increasing mass flow rate and the applied heating power. At the same time, micro-Particle Image Velocimetry (micro-PIV) measured the detailed velocity fields along the microcharmel, where the wall temperature varied. Based on the pressure drop and Micro-PIV measurement, it was determined that the variation of the fluid property along the microchannel has an effect significantly on flow resistance but not considerably on the velocity profile. Also, it was observed that flow resistance and velocity field shows a good agreement with those estimated in the macro laminar theory under our experimental conditions.

AB - This paper investigated experimentally effects of the temperature-dependent property on the laminar flow characteristics in the micro-channel, where water was used as a working fluid. A rectangular straight micro-channel was fabricated with the dimension of 57 μm (H) × 200 μm (W) × 48050 μm (L), in which the resistance temperature detectors (RTDs) were integrated to measure precise temperatures of the fluid directly on the inside-surface of the channel wall. A micro-heater was also installed at the outlet of the channel to generate the heat flux. We measured pressure drop by increasing mass flow rate and the applied heating power. At the same time, micro-Particle Image Velocimetry (micro-PIV) measured the detailed velocity fields along the microcharmel, where the wall temperature varied. Based on the pressure drop and Micro-PIV measurement, it was determined that the variation of the fluid property along the microchannel has an effect significantly on flow resistance but not considerably on the velocity profile. Also, it was observed that flow resistance and velocity field shows a good agreement with those estimated in the macro laminar theory under our experimental conditions.

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Temperature-Dependent Property Effects on Laminar Flow Characteristics in a Rectangular Microchannel

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