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http://dx.doi.org/10.3795/KSME-B.2005.29.6.747

Study on the Pressure Drop Characteristics of Liquid Flow in Open Microchannels with the Countercurrent Vapor Flow  

Kim Sung Jin (한국과학기술원 기계공학과)
Nam Myeong Ryong (한국과학기술원 인공위성 연구센터)
Seo Joung Ki (한국과학기술원 기계공학과)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.29, no.6, 2005 , pp. 747-754 More about this Journal
Abstract
Because the liquid-vapor interfacial shear stress affects seriously the liquid flow and the maximum heat transport rate of the grooved wick heat pipe, an accurate modeling for the pressure drop characteristics of the liquid flow is required. A novel method for calculating the liquid pressure drop and the velocity profile of an open channel flow in a microchannel with an arbitrary cross-section is suggested and validated by experiments. An experimental apparatus for the Poiseuille number of the liquid flow in open rectangular microchannels with the hydraulic diameters of 0.40mm, 0.43mm, 0.48mm is used in order to reproduce real situations in the grooved wick heat pipe. Analytic results from the suggested method are compared with the experimental data and they are in a close agreement with each other.
Keywords
Countercurrent Flow; Groove Wick Heat Pipe; Open Channel Flow; Microchannel;
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1 Hopkins, R., Faghri, A. and Khrustalev, D., 1999, 'Flat Miniature Heat Pipes with Micro Capillary Grooves,' J. Heat Transfer, Vol. 121, pp. 102-109   DOI   ScienceOn
2 Hufschmidt, E., Burck, E., Di Cola, G. and Hoffman, H., 1975, 'The Shearing Effect of Vapor Flow on Laminar Liquid Flow in Capillaries of Heat Pipes,' NASA TT-F-16601, pp. 1-21
3 Kim, S. J., Seo, J. K. and Do, K. H., 2003, 'Analytical and Experimenta Investigation on the Operational Characteristics and the Thermal Optimization of a Miniature Heat Pipe with a Grooved Wick Structure' Int. J. Heat Mass Transfer, Vol. 46, pp. 2051-2063   DOI   ScienceOn
4 Schlitt, K. R., Kirkpatrick, J. P. and Brennan, P. J., 1974, 'Parametric Performance of Extruded Axial Grooved Heat Pipes From 100K to 300K,' Proc. AIAA/ASME Thermophysics and Heat Transfer Conf., AIAA Paper No. 74-724
5 Babin, B. R., Peterson, G. P. and Wu, D., 1989, 'Analysis and Testing of a Micro Heat Pipe During Steady-State Operation,' Proc. ASME/AIChE National Heat Transfer Conf., Philadelphia, Pennsylvania, 89-HT-17
6 Ma, H. B., Peterson, G. P. and Peng, X. F., 1996, 'Experimental Investigation of Countercurrent Liquid-Vapor Interactions and Their Effect on the Friction Factor,' Exp. Thermal and Fluid Sci., Vol. 12, pp. 25-32   DOI   ScienceOn
7 Thomas, S. K., Lykins, R. C. and Yerkes, K. L., 2001, 'Fully Developed Laminar Flow in Trapezoidal Grooves with Shear Stress at the Liquid-vapor Interface,' Int. J. Heat and Mass Trasnfer, Vol. 44, pp. 3397-3412   DOI   ScienceOn
8 Khrustalev, D. and Faghri, A., 1995, 'Thermal Characteristics of Conventional and Flat Miniature Axially Grooved Heat Pipes,' J. Heat Transfer, Vol. 117, pp. 1048-1054   DOI
9 Faghri, A., 1995, Heat Pipe Science and Technology, Taylor & Francis, Washington, pp. 28-29
10 B & K Engineering, 1977, Summary Report for Axially Grooved Heat Pipe Study, NASA Contract, No. NAS5-22562
11 Shah, R. K., 1975, 'Laminar Flow Friction and Forced Convection Heat Transfer in Ducts of Arbitrary Geometry,' Int. J. Heat Mass Transfer, Vol. 18, pp. 849-862   DOI   ScienceOn
12 Ayyaswamy, P. S., Catton, I. and Edwards, D. K., 1974, 'Capillary Flow in Triangular Grooves,' J. Appl. Mech. Vol. 41, pp. 332-336   DOI
13 Plesh, D., Bier, W. and Schubert, K., 1991, 'Miniature Heat Pipes for Heat Removal From Microelectronic Circuits,' Proc. ASME Annual Meeting, Atlanta
14 Lin, L., Ponnappan, R. and Leland, J., 2002, 'High Performance Miniature Heat Pipes,' Int. J. Heat Mass Transfer, Vol. 45, pp. 3131-3142   DOI   ScienceOn
15 Khrustalev, D. and Faghri, A., 1994; 'Thermal Analysis of a Micro Heat Pipe,' J. Heat Transfer, Vol. 116, pp. 189-198   DOI   ScienceOn
16 Suh, J. S., Greif, R. and Grigoropoulos, C. P., 2001, 'Friction in Micro-Channel Flows of a Liquid and Vapor in Trapezoidal and Sinusoidal Grooves,' Int. J. Heat Mass Transfer, Vol. 44, pp. 3103-3109   DOI   ScienceOn