Hostname: page-component-8448b6f56d-qsmjn Total loading time: 0 Render date: 2024-04-19T06:36:36.029Z Has data issue: false hasContentIssue false

Temperature-Sensitive Paint Applications in the Heat Transfer Analysis of 90° Elbow Microchannel Flow with Sharp and Curved Turns

Published online by Cambridge University Press:  01 April 2020

Chih-Yung Huang*
Affiliation:
Department of Power Mechanical Engineering National Tsing Hua UniversityHsinchu, Taiwan
Jhih-Ren Lin
Affiliation:
Department of Power Mechanical Engineering National Tsing Hua UniversityHsinchu, Taiwan
Tong-Miin Liou
Affiliation:
Department of Power Mechanical Engineering National Tsing Hua UniversityHsinchu, Taiwan
*
*Corresponding author (cyhuang@pme.nthu.edu.tw)
Get access

Abstract

This study presents the heat transfer analysis of 90° elbow microchannel flow with sharp and curved turn designs. Experimental technique of temperature-sensitive paint was adapted in the experiment for measuring both fluid and surface temperature. The detailed information of fluid and surface temperature data were successfully acquired with a microscope system at Reynolds number varying from 50.5 to 101.1. Micro heaters were fabricated and positioned underneath the microchannel to provide the constant heat flux boundary condition. The utilization of micro heaters can prevent the axial heat conduction. The Nusselt number contours were obtained in this study with sharp and curved corners, which can provide detailed information of localized region with high and low heat transfer. The experimental approach performed in this study could be applied in the future for micro heat exchanger or heat sink design with complex microchannel systems.

Type
Research Article
Copyright
Copyright © 2019 The Society of Theoretical and Applied Mechanics

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Ghani, I. A., Sidik, N. A. C. and Kamaruzaman, N.Hydrothermal performance of microchannel heat sink: The effect of channel design,” International Journal of Heat and Mass Transfer, 107, pp. 2144 (2017)10.1016/j.ijheatmasstransfer.2016.11.031CrossRefGoogle Scholar
Garcia-Hernando, N., Acosta-Iborra, A., Ruiz-Rivas, U. and Izquierdo, M.Experimental investigation of fluid flow and heat transfer in a single-phase liquid flow micro-heat exchanger,” International Journal of Heat and Mass Transfer, 52, pp. 54335446 (2009)CrossRefGoogle Scholar
Haller, D., Woias, P. and Kockmann, N.Simulation and experimental investigation of pressure loss and heat transfer in microchannel networks containing bends and T-junctions,” International Journal of Heat and Mass Transfer, 52, pp. 26782689 (2009)CrossRefGoogle Scholar
Salman, B. H., Mohammed, H. A., Munisamy, K. M. and Kherbeet, A. S.Characteristics of heat transfer and fluid flow in microtube and microchannel using conventional fluids and nanofluids: A review Renew,” Renewable and Sustainable Energy Reviews, 28, pp. 848880 (2013)CrossRefGoogle Scholar
Zhai, Y. L., Xia, G. D., Li, Z. H. and Wang, H.Experimental investigation and empirical correlations of single and laminar convective heat transfer in microchannel heat sinks,” Experimental Thermal and Fluid Science, 83, pp. 207214 (2017)CrossRefGoogle Scholar
Morini, G. L.Single-phase convective heat transfer in microchannels: a review of experimental results,” International Journal of Thermal Sciences, 43, pp. 631651 (2004)CrossRefGoogle Scholar
Maranzana, G., Perry, I. and Maillet, D.Mini- and micro-channels: influence of axial conduction in the walls,” International Journal of Heat and Mass Transfer, 47, pp. 39934004 (2004)CrossRefGoogle Scholar
Huang, C. Y., Wu, C. M., Chen, Y. N. and Liou, T. M.The experimental investigation of axial heat conduction effect on the heat transfer analysis in microchannel flow,” International Journal of Heat and Mass Transfer, 70, pp. 169173 (2014)CrossRefGoogle Scholar
Yang, C. Y. and Lin, T. Y.Heat transfer characteristics of water flow in microtubes,” Experimental Thermal and Fluid Science, 32, pp. 432439 (2007)CrossRefGoogle Scholar
Karale, C. M., Bhagwat, S. S. and Ranade, V. V.Flow and Heat Transfer in Serpentine Channels,” AIChE Journal, 59, pp. 18141827 (2013)CrossRefGoogle Scholar
Geyer, P. E., Rosaguti, N. R., Fletcher, D. F. and Haynes, B. S.Thermohydraulics of square-section microchannels following a serpentine path,” Microfluidics and Nanofluidics, 2, pp. 195204 (2006)CrossRefGoogle Scholar
Abed, W. M., Whalley, R. D., Dennis, D. J. C. and Poole, R. J.Numerical and experimental investigation of heat transfer and fluid flow characteristics in a micro-scale serpentine channel,” International Journal of Heat and Mass Transfer, 88, pp. 790802 (2015)CrossRefGoogle Scholar
Chen, K. T., Yarn, K. F., Chen, H. Y., Tsai, C. C., Luo, W. J., & Chen, C. N.Aspect Ratio Effect on Laminar Flow Bifurcations in a Curved Rectangular Tube Driven by Pressure Gradients.” Journal of Mechanics, 33, pp 831840 (2017).CrossRefGoogle Scholar
Kim, B.An experimental study on fully developed laminar flow and heat transfer in rectangular microchannels,” International Journal of Heat and Fluid Flow, 62, pp. 224232 (2016)10.1016/j.ijheatfluidflow.2016.10.007CrossRefGoogle Scholar
Lee, P. S., Garimella, S. V. and Liu, D.Investigation of heat transfer in rectangular microchannels,” International Journal of Heat and Mass Transfer, 48, pp. 16881704 (2005)CrossRefGoogle Scholar
Huang, C. Y., Matsuda, Y., Gregory, J. W., Nagai, H. and Asai, K.The applications of pressure-sensitive paint in microfluidic systems,” Microfluidics and Nanofluidics, 18, pp. 739753 (2015)CrossRefGoogle Scholar
Liu, T. and Sullivan, J. P.Pressure and Temperature Sensitive Paints”, Berlin, Germany: Springer-Verlag (2004)Google Scholar
Ross, D., Gaitan, M. and Locascio, L. E.Temperature measurement in microfluidic systems using a temperature-dependent fluorescent dye,” Analytical Chemistry, 73, pp. 41174123 (2001)CrossRefGoogle ScholarPubMed
Fu, R., Xu, B. and Li, D.Study of the temperature field in microchannels of a PDMS chip with embedded local heater using temperature-dependent fluorescent dye,” International Journal of Thermal Sciences, 45, pp. 841847 (2006)CrossRefGoogle Scholar
Huang, C. Y., Li, C. A., Huang, B. H. and Liou, T. M.The Study of Temperature Rise in a 90-Degree Sharp Bend Microchannel Flow under Constant Wall Temperature Condition,” Journal of Mechanics, 30, pp. 661666 (2014)CrossRefGoogle Scholar
Huang, C. Y., Huang, B. H., Cheng, F. R., Chen, S. W. and Liou, T. M.Experimental study of heat transfer enhancement with segmented flow in a microchannel by using molecule-based temperature sensors,” International Journal of Heat and Mass Transfer, 107, pp. 657666 (2017)CrossRefGoogle Scholar
Huang, C., Li, C., Wang, H. and Liou, T.The application of temperature-sensitive paints for surface and fluid temperature measurements in both thermal developing and fully developed regions of a microchannel,” Journal of Micromechanics and Microengineering, 23, 037001 (2013)CrossRefGoogle Scholar
Huang, C. Y., Lai, C. M. and Li, J. S.Applications of Pixel-by-Pixel Calibration Method in Microscale Measurements With Pressure-Sensitive Paint,” Journal of Microelectromechanical Systems, 21, pp. 10901097 (2012)CrossRefGoogle Scholar
Kline, S. J. and McClintock, F. A.Describing uncertainties in single-sample experimentsMechanical Engineering, 75, pp. 38 (1953)Google Scholar
Shah, R. K. and London, A. L.Laminar flow forced convection in ducts : a source book for compact heat exchanger analytical dataNew York: Academic Press (1978)Google Scholar