Significant Nusselt number increase in microchannels with a segmented flow of two immiscible liquids: An experimental study

International Journal of Heat and Mass Transfer

Volumn 54, Issue 7-8, 2011, Pages 1456-1464

  Asthana, Ashish ^a   Zinovik, Igor ^a   Weinmueller, Christian ^a   Poulikakos, Dimos ^a  

^a ETH ZURICH   (Switzerland)

Author keywords

Electronics cooling; Laser Induced Fluorescence; Micro PIV; Microchannel heat transfer; Segmented flow

Indexed keywords

CONVECTIVE HEAT TRANSFER; ELECTRONICS COOLING; EXPERIMENTAL STUDIES; IMMISCIBLE LIQUIDS; LASER INDUCED FLUORESCENCE; LIQUID-LIQUID EMULSIONS; MICRO CHANNEL HEAT SINKS; MICRO PIV; PURE WATER; SEGMENTED FLOW; SINGLE-PHASE LIQUIDS; VELOCITY FIELD;

COOLING; COOLING SYSTEMS; ELECTROOSMOSIS; EMULSIONS; FLUORESCENCE; HEAT CONVECTION; HEAT SINKS; LASER OPTICS; LIQUIDS; NUSSELT NUMBER; SERPENTINE; SILICATE MINERALS; VELOCITY MEASUREMENT;

MICROCHANNELS;

EID: 78751644192     PISSN: 00179310     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijheatmasstransfer.2010.11.048     Document Type: Article

References (28)

1. D.B. Tuckerman, and R.F. Pease High-performance heat sinking for VLSI IEEE Electron Device Lett. EDL-2 1981 126 129
2. H.R. Upadhye and S.G. Kandlikar, Optimization of microchannel geometry for direct chip cooling using single phase heat transfer, in: Proceedings of the Second International Conference on Microchannel and Minichannels (ICMM2004), (2004).
3. E.G. Colgan et al., A practical implementation of silicon microchannel coolers for high power chips, Invited paper presented at IEEE Semi-Therm 21, San Jose, 2005, pp. 1-7.
4. M. Mudawar, and M.B. Bowers Ultra-high critical heat flux (CHF) for subcooled water flow boiling-I: CHF data and parametric effects for small diameter tubes Int. J. Heat Mass Transfer 31 1999 1405 1428
5. S.G. Kandlikar High flux heat removal with microchannel - a roadmap of challenges and opportunities Heat Transfer Eng. 26 8 2005 5 14
6. A. Gunther Micromixing of miscible liquids in segmented gas-liquid flow Langmuir 21 2005 1547 1555
7. M.T. Kreutzer Multiphase monolith reactors: chemical reaction engineering of segmented flowing microchannels Chem. Eng. Sci. 60 2005 5895 5916
8. M.N. Kashid Internal circulation within the liquid slugs of a liquid-liquid slug-flow capillary microreactor Ind. Eng. Chem. Res. 44 2005 5003 5010
9. N.D.M. Raimondi Direct numerical simulations of mass transfer in square microchannels for liquid-liquid slug flow Chem. Eng. Sci. 63 2008 5522 5530
10. D. Lakehal, G. Larringon, and C. Narayanan Computational heat transfer and two-phase flow topology in miniature tubes Microfluid Nanofluid 4 2008 261 271
11. A.R. Betz, and D. Attinger Can segmented flow enhance heat transfer in microchannel heat sinks? Int. J. Heat Mass Transfer 53 2010 3683 3691
12. P. Ubrant, A. Leshansky, and Y. Halupovich On the forced convective heat transport in a droplet-laden flow in microchannels Microfluid Nanofluid 4 2008 533 542
13. H.M.A. Fischer, Enhanced transport phenomena involving droplets with nanoparticles, PhD Thesis, ETH Zurich, Diss. ETH No 18345, 2009.
14. H.M.A. Fischer, D. Juric, and D. Poulikakos Large convective heat transfer enhancement in microchannels with a train of co-flowing immiscible or colloidal droplets J. Heat Transfer 132 2010 112402
15. M.J. Madou Fundamentals of Microfabrication: The Science of Miniaturization 2002 CRC Press Boca Raton, FL
16. 2 mixtures in adiabatic, rectangular microchannels Int. J. Multiphase Flow 35 2009 760 772
17. C.A. Stan, S.K.Y. Tang, and G.M. Whitesides Independent control of drop size and velocity in microfluidic flow-focusing generators using variable temperature and flow rate Anal. Chem. 81 6 2009 2399 2402
18. T. Cubaud, and T.G. Mason Capillary threads and viscous droplets in square microchannels Phys. Fluids 20 2008 053302:1-11
19. V.K. Natrajan, and K.T. Christensen Two-color laser-induced fluorescent thermometry for microfluidic systems Meas. Sci. Technol. 20 2009 015401
20. C.V. Bindhu, and S.S. Harilal Effect of the excitation source on the quantum-yield measurements of Rhodamine B laers dye studied using thermal-lens technique Anal. Sci. 17 2001 141 144
21. M.G. Olsen, and R.J. Adrian Out-of-focus effects on particle image visiblity and correlation in microscopic particle image velocimetry Exp. Fluids [suppl.] 2000 S166 S174
22. C.J. Bourdon, M. Golsen, and A.D. Gorby Validation of an analytical solution for depth of correlation in microscopic particle image velocimetry Meas. Sci. Technol. 15 2004 318 327
23. Santiago A particle image velocimetry system for microfluidics Exp. Fluids 25 1998 316 319 (Pubitemid 128663106)
24. U. Miessner, R. Lindken, J. Westerweel, 3D-velocity measurements in microscopic two-phase flows by means of micro PIV, in: 14th International Symposium on Applications of Laser Techniques to Fluid Mechanics, (2008).
25. R.B. Bird, W.E. Stewart, E.N. Lightfoot, Transport Phenomena, second ed. John Wiley & Sons. pp. 315.
26. P.S. Lee, S.V. Garimella, and D. Liu Investigation of heat transfer in rectangular microchannels Int. J. Heat Mass Transfer 48 2005 1688 1704
27. F.E. Marble Dynamics of dusty gases Ann. Rev. Fluid Mech. 2 1970 397 446
28. NIST Standard Reference Database: http://webbook.nist.gov/.