Heat transfer enhancement in a tube with equilateral triangle cross sectioned coiled wire inserts

Experimental Thermal and Fluid Science

Volumn 34, Issue 6, 2010, Pages 684-691

  Gunes, Sibel ^a   Ozceyhan, Veysel ^a   Buyukalaca, Orhan ^b  

^a ERCIYES UNIVERSITY   (Turkey)

^b OSMANIYE KORKUT ATA UNIVERSITY   (Turkey)

Author keywords

Coiled wire insert; Heat transfer; Overall enhancement efficiency; Pressure drop

Indexed keywords

COILED WIRE INSERT; COMPACT HEAT EXCHANGER; ENHANCEMENT EFFICIENCY; EQUILATERAL TRIANGLES; EXPERIMENTAL SETUP; EXTERNAL SURFACES; HEAT TRANSFER AND PRESSURE DROP; HEAT TRANSFER ENHANCEMENT; LOW REYNOLDS NUMBER; OPERATING REGIMES; OVERALL ENHANCEMENT EFFICIENCY; PITCH RATIO; SMOOTH TUBES; TRIANGULAR CROSS-SECTIONS; TUBE DIAMETERS; TUBE WALLS; UNIFORM HEAT FLUX;

AIR; HEAT EXCHANGERS; HEAT TRANSFER; PRESSURE DROP; REYNOLDS NUMBER; TUBES (COMPONENTS);

WIRE;

EID: 77951112291     PISSN: 08941777     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.expthermflusci.2009.12.010     Document Type: Article

References (23)

1. García A., Vicente P.G., and Viedma A. Experimental study of heat transfer enhancement with wire coil inserts in laminar-transition-turbulent regimes at different Prandtl numbers. Int. J. Heat Mass Transfer 48 (2005) 4640-4651
2. Kumar P., and Judd R.L. Heat transfer with coiled wire turbulence promoters. Can. J. Chem. Eng. 48 (1970) 378-383
3. Sethumadhavan R., and Raja Rao M. Turbulent flow heat transfer and fluid friction in helical-wire-coil-inserted tubes. Int. J. Heat Mass Transfer 26 (1983) 1833-1845
4. Shoji Y., Sato K., and Oliver D.R. Heat transfer enhancement in round tube using wire coil: influence of length and segmentation. Heat Transfer - Asian Res. 32 (2003) 99-107
5. Wang L., and Sunden B. Performance comparison of some tube inserts. Int. Commun. Heat Mass Transfer 29 1 (2002) 45-56
6. Promvonge P. Thermal augmentation in circular tube with twisted tape and wire coil turbulators. Energy Convers. Manage. 49 (2008) 2949-2955
7. Ozceyhan V. Conjugate heat transfer and thermal stress analysis of wire coil inserted tubes that are heated externally with uniform heat flux. Energy Convers. Manage. 46 9-10 (2005) 1543-1559
8. Prasad R.C., and Shen J. Performance evaluation using exergy analysis-application to wire-coil inserts in forced convection heat transfer. Int. J. Heat Mass Transfer 37 15 (1994) 2297-2303
9. Akhavan-Behabadi M.A., Salimpour M.R., and Pazouki V.A. Pressure drop increase of forced convective condensation inside horizontal coiled wire inserted tube. Int. Commun. Heat Mass Transfer 35 (2008) 1220-1226
10. Akhavan-Behabadi M.A., Mohseni S.G., Najafi H., and Ramazanzadeh H. Heat transfer and pressure drop characteristics of forced convective evaporation in horizontal tubes with coiled wire insert. Int. Commun. Heat Mass Transfer 36 9 (2009) 1089-1095
11. Agrawal K.N., Anil Kumar M.A., Behabadi A., and Varma H.K. Heat transfer augmentation by coiled wire inserts during forced convection condensation of R-22 inside horizontal tubes. Int. J. Multiphase Flow 24 (1998) 635-650
12. Naphon P., and Sriromruln P. Single-phase heat transfer and pressure drop in the micro-fin tubes with coiled wire insert. Int. Commun. Heat Mass Transfer 33 (2006) 176-183
13. Yakut K., and Sahin B. The effects of vortex characteristics on performance of coiled wire turbulators used for heat transfer augmentation. Appl. Therm. Eng. 24 16 (2004) 2427-2438
14. Naphon P. Effect of coil-wire insert on heat transfer enhancement and pressure drop of the horizontal concentric tubes. Int. Commun. Heat Mass Transfer 33 6 (2006) 753-763
15. Promvonge P. Thermal performance in circular tube fitted with coiled square wires. Energy Convers. Manage. 49 (2008) 980-987
16. Promvonge P. Thermal enhancement in a round tube with snail entry and coiled-wire inserts. Int. Commun. Heat Mass Transfer 35 (2008) 623-629
17. Ozceyhan V., Gunes S., Buyukalaca O., and Altuntop N. Heat transfer enhancement in a tube using circular cross sectional rings separated from wall. Appl. Energy 85 10 (2008) 988-1001
18. V. Ozceyhan, Experimental Investigation of Flow and Heat Transfer in a Rib Inserted Pipe, Erciyes University, Graduate School of Natural and Applied Sciences, Ph.D. Thesis, Turkey, 2002.
19. Kline S.J., and McClintock F.A. Describing uncertainties in single sample experiments. Mech. Eng. 75 (1953) 385-387
20. S. Gunes, The Investigation of Heat Transfer in Various Ribs Inserted Pipe, Erciyes University, Graduate School of Natural and Applied Sciences, Ph.D. Thesis, Turkey, 2009.
21. Webb R.L. Performance evaluation criteria for use of enhanced heat transfer surfaces in heat exchanger design. Int. J. Heat Mass Transfer 24 (1981) 715-726
22. Gnielinski V. New equations for heat and mass transfer in turbulent pipe flow and channel flow. Int. Chem. Eng. 16 (1976) 359-368
23. Petukhov B.S. Heat transfer in turbulent pipe flow with variable physical properties. In: Harnett J.P. (Ed). Advances in Heat Transfer vol. 6 (1970), Academic Press, New York 504-564