Effects of temperature dependent thermal conductivity on Nu number behavior in micro-tubes

International Communications in Heat and Mass Transfer

Volumn 37, Issue 3, 2010, Pages 245-249

  Lelea, Dorin ^a  

^a POLITEHNICA UNIVERSITY OF TIMISOARA   (Romania)

Author keywords

Conjugate heat transfer; Microchannels; Nu number; Thermal conductivity

Indexed keywords

CONJUGATE HEAT TRANSFER; DIAMETER RATIO; DIELECTRIC FLUID; DISTILLED WATER; EFFECTS OF TEMPERATURE; EXPERIMENTAL RESEARCH; HEAT AND MASS TRANSFER; HEAT TRANSFER AND FLUID FLOW; HEAT TRANSFER CONDITIONS; INTERNATIONAL JOURNALS; LAMINAR FLUID FLOW; MICRO-TUBES; MICROTUBE; NU NUMBER; NUMERICAL MODELING; TEMPERATURE-DEPENDENT FLUID PROPERTIES; TEMPERATURE-DEPENDENT THERMAL CONDUCTIVITY; TUBE LENGTH;

FLUIDS; HEAT EXCHANGERS; HEAT TRANSFER; MASS TRANSFER; MICROCHANNELS; THERMAL CONDUCTIVITY; THERMOANALYSIS; TUBES (COMPONENTS);

FLOW OF FLUIDS;

EID: 75149135551     PISSN: 07351933     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.icheatmasstransfer.2009.09.005     Document Type: Article

References (23)

1. Mishan Y., Mosyak A., Pogrebnyak E., and Hetsroni G. Effect of developing flow and thermal regime on momentum and heat transfer in micro-scale heat sink. International Journal of Heat and Mass Transfer 50 (2007) 3100-3114
2. Wu P.Y., and Little W.A. Measurement of Friction Factor for the Flow of Gases in Very Fine Channels Used for Micro Miniature Joule Thompson Refrigerators. Cryogenics 23 (1983) 273-277
3. Sharath P., Rao C., Rahman M.M., and Soliman H.M. Numerical Simulation of Steady-State Conjugate Heat Transfer in a Circular Microtube inside a Rectangular Substrate. Numerical Heat Transfer. Part A: Applications 49 7 (2006) 635-654
4. Ambatipudi K.K., and Rahman M.M. Analysis of Conjugate Heat Transfer in Microchannel Heat Sinks. Numerical Heat Transfer. Part A: Applications 37 7 (2000) 711-731
5. Ng E.Y.K., and Poh S.T. CFD Analysis of Double-Layer Microchannel Conjugate Parallel Liquid Flows with Electric Double-Layer Effects. Numerical Heat Transfer. Part A: Applications 40 7 (2001) 735-749
6. Hwang P.W., and Soong C.Y. Investigation of variable-property microchannel flows with electro-thermo-hydrodynamic interactions at constant pressure gradient or constant flow rate. International Journal of Heat and Mass Transfer 51 (2008) 210-223
7. Kou H.S., Lee J.J., and Chen C.W. Optimum thermal performance of microchannel heat sink by adjusting channel width and height. International Communications in Heat and Mass Transfer 35 (2008) 577-582
8. Wang Q.-W., Zhao C.-L., Zeng M., and Wu Y.-N. Numerical Investigation of Rarefied Diatomic Gas Flow and Heat Transfer in a Microchannel Using DSMC with Uniform Heat Flux Boundary Condition-Part II: Applications. Numerical Heat Transfer. Part B: Fundamentals 53 2 (2008) 174-187
9. Hong C., and Asako Y. Heat Transfer Characteristics of Gaseous Flows in a Microchannel and a Microtube with Constant Wall Temperature. Numerical Heat Transfer. Part A: Applications 52 3 (2007) 219-238
10. Kavehpour H.P., Faghri M., and Asako Y. Effects of Compressibility and Rarefaction on Gaseous Flows in Microchannels. Numerical Heat Transfer. Part A: Applications 32 7 (1997) 677-696
11. Sun H., and Faghri M. Effects of Rarefaction and Compressibility of Gaseous Flow in Microchannel using DSMC. Numerical Heat Transfer. Part A: Applications 38 2 (2000) 153-168
12. Celata G.P., Cumo M., Marconi V., McPhail S.J., and Zummo G. Microtube liquid single-phase heat transfer in laminar flow. International Journal of Heat and Mass Transfer 49 (2006) 3538-3546
13. Liu J.T., Peng X.F., and Wang B.X. Variable-property effect on liquid flow and heat transfer in microchannels. Chemical Engineering Journal 141 (2008) 346-353
14. Sung M.K., and Mudawar I. Single-phase hybrid micro-channel/micro-jet impingement cooling. International Journal of Heat and Mass Transfer 51 (2008) 4342-4352
15. Naphon P., and Khonseur O. Study on the convective heat transfer and pressure drop in the micro-channel heat sink. International Communications in Heat and Mass Transfer 36 (2009) 39-44
16. Yap Y.F., Chai J.C., Wong T.N., Nguyen N.T., Toh K.C., and Zhang H.Y. Particle Transport in Microchannels. Numerical Heat Transfer. Part B: Fundamentals 51 2 (2007) 141-157
17. Broderick S.L., Webb B.W., and Maynes D. Thermally Developing Electro-osmotic Convection in Microchannels with Finite Debye-Layer Thickness. Numerical Heat Transfer. Part A: Applications 48 10 (2005) 941-964
18. Herwig H., and Mahulikar S.P. Variable property effects in single-phase incompressible flows through microchannels. International Journal of Thermal Sciences 45 (2006) 977-981
19. Hong F., and Cheng P. Three dimensional numerical analyses and optimization of offset strip-fin microchannel heat sink. International Communications in Heat and Mass Transfer 36 (2009) 651-656
20. Lelea D. Some considerations on frictional losses evaluation of a water flow in microtubes, International Communications in Heat and Mass Transfer (2005)
21. Lelea D., Nishio S., and Takano K. The experimental research on microtube heat transfer and fluid flow of distilled water. International Journal of Heat and Mass Transfer 47 (2004) 2817-2830
22. Patankar S.V. Numerical Heat Transfer and Fluid Flow (1980), McGraw Hill
23. ***, 3 M™ Novec™ 7600 Engineered Fluid, 3 M Electronics Markets Materials Division, (2008).