CFD and experimental studies on heat transfer enhancement in an air cooler equipped with different tube inserts

International Communications in Heat and Mass Transfer

Volumn 38, Issue 3, 2011, Pages 383-390

  Shabanian, S R ^a   Rahimi, M ^a   Shahhosseini, M ^a   Alsairafi, A A ^b  

^a RAZI UNIVERSITY   (Iran)

^b KUWAIT UNIVERSITY   (Kuwait)

Author keywords

Air cooled heat exchanger; Computational Fluid Dynamics; Heat transfer enhancement; Tube insert

Indexed keywords

AIR COOLER; AIR-COOLED HEAT EXCHANGER; COMPUTATIONAL FLUID DYNAMICS MODELING; EXPERIMENTAL STUDIES; FRICTION FACTORS; HEAT TRANSFER ENHANCEMENT; HEAT TRANSFER RATE; INCLINED ANGLE; NU NUMBER; THERMAL PERFORMANCE; TUBE INSERT; TUBE INSERTS; TURBULENCE INTENSITY; TWISTED TAPES;

AIR; FLUID DYNAMICS; FRICTION; HEAT EXCHANGERS; HEAT TRANSFER COEFFICIENTS; MIXED CONVECTION; REYNOLDS NUMBER; TUBES (COMPONENTS);

COMPUTATIONAL FLUID DYNAMICS;

EID: 79551689961     PISSN: 07351933     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.icheatmasstransfer.2010.12.015     Document Type: Article

References (34)

1. Parthasarathy P., Talukdar P., Kishore V.R. Enhancement of heat transfer with porous/solid insert for laminar flow of a participating gas in a 3-D square duct. Numerical Heat Transfer; Part A: Applications 2009, 56(9):764-784.
2. Kiwan S., Alzahrany M.S. Effect of using porous inserts on natural convection heat transfer between two concentric vertical cylinders. Numerical Heat Transfer; Part A: Applications 2008, 53(8):870-889.
3. Yucel N., Guven R.T. Forced-convection cooling enhancement of heated elements in a parallel-plate channels using porous inserts. Numerical Heat Transfer; Part A: Applications 2007, 51(3):293-312.
4. Tong X., Khan J.A., Amin M.R. Enhancement of heat transfer by inserting a metal matrix into a phase change material. Numerical Heat Transfer; Part A: Applications 1996, 30(2):125-141.
5. Manglik R.M., Bergles A.E. Heat transfer and pressure drop correlations for twisted-tape inserts in isothermal tubes: part II-transition and turbulent flows. Enhanced Heat Transfer, Transaction ASME, Journal Heat Transfer 1992, 202:99-106.
6. Agarwal S.K., Raja Rao M. Heat transfer augmentation for the flow of a viscous liquid in circular tubes using twisted tape inserts. International Journal of Heat and Mass Transfer 1996, 39(17):3547-3557.
7. Yildiz C., Bicer Y., Pehlivan D. Effect of twisted strips on heat transfer and pressure drop in heat exchangers. Energy Conversion and Management 1998, 39(3-4):331-336.
8. Saha S.K., Dutta A., Dhal S.K. Friction and heat transfer characteristics of laminar swirl flow through a circular tubes fitted with regularly spaced twisted-tape elements. International Journal of Heat and Mass Transfer 2001, 44(22):4211-4223.
9. Sarma P.K., Subramanyam T., Kishore P.S., Dharma R.V., Kakac S. Laminar convective heat transfer with twisted tape inserts in a tube. International Journal of Thermal Sciences 2003, 42(9):821-828.
10. Sethumadhavan R., Rao M.R. Turbulent flow heat transfer and fluid friction in helical wire coil inserted tubes. International Journal of Heat and Mass Transfer 1983, 26(12):1833-1845.
11. Yakut K., Sahin B. The effects of vortex characteristics on performance of coiled wire turbulators used for heat transfer augmentation. Applied Thermal Engineering 2004, 24(16):2427-2438.
12. Yilmaz M., Comakli O., Yapici S. Enhancement of heat transfer by turbulent decaying swirl flow. Energy Conversion and Management 1999, 40(13):1365-1376.
13. Durmus A., Durmus A., Esen M. Investigation of heat transfer and pressure drop in a concentric heat exchanger with snail entrance. Applied Thermal Engineering 2002, 22(3):321-332.
14. Yilmaz M., Comakli O., Yapici S., Nuri Sara O. Heat transfer and friction characteristics in decaying swirl flow generated by different radial guide vane swirl generators. Energy Conversion and Management 2003, 44(2):283-300.
15. Garcia A., Vicente P.G., Viedma A. Experimental study of heat transfer enhancement with wire coil inserts in laminar-transition-turbulent regimes at different Prandtl numbers. International Journal of Heat and Mass Transfer 2005, 48(21-22):4640-4651.
16. Eiamsa-ard S., Rattanawong S., Promvonge P. Turbulent convection in round tube equipped with propeller type swirl generators. International Communications in Heat and Mass Transfer 2009, 36(4):357-364.
17. Eiamsa-ard S., Pethkool S., Thianpong C., Promvonge P. Turbulent flow heat transfer and pressure loss in a double pipe heat exchanger with louvered strip inserts. International Communications in Heat and Mass Transfer 2008, 35(2):120-129.
18. Promvonge P. Heat transfer behaviors in round tube with conical ring inserts. Energy Conversion and Management 2008, 49(1):8-15.
19. Kongkaitpaiboon V., Nanan K., Eiamsa-ard S. Experimental investigation of heat transfer and turbulent flow friction in a tube fitted with perforated conical-rings. International Communications in Heat and Mass Transfer 2010, 37(5):560-567.
20. Chang S.W., Yang T.L., Liou J.S. Heat transfer and pressure drop in tube with broken twisted tape insert. Experimental Thermal and Fluid Science 2007, 32(2):489-501.
21. Chang S.W., Jan Y.J., Liou J.S. Turbulent heat transfer and pressure drop in tube fitted with serrated twisted tape. International Journal of Thermal Sciences 2007, 46(5):506-518.
22. Saha S.K. Thermohydraulics of turbulent flow through rectangular and square ducts with axial corrugation roughness and twisted-tapes with and without oblique teeth. Experimental Thermal and Fluid Science 2010, 34(6):744-752.
23. Bredell J.R., Kröger D.G., Thiart G.D. Numerical investigation of fan performance in a forced draft air-cooled steam condenser. Applied Thermal Engineering 2006, 26(8-9):846-852.
24. Erek A., özerdem B., Bilir L., İIlken Z. Effect of geometrical parameters on heat transfer and pressure drop characteristics of plate fin and tube heat exchangers. Applied Thermal Engineering 2005, 25(14-15):2421-2431.
25. Zhang Z., Ma D., Fang X., Gao X. Experimental and numerical heat transfer in a helically baffled heat exchanger combined with one three-dimensional finned tube. Chemical Engineering and Processing: Process Intensification 2008, 47(9-10):1738-1743.
26. Eiamsa-ard S., Wongcharee K., Sripattanapipat S. 3-D Numerical simulation of swirling flow and convective heat transfer in a circular tube induced by means of loose-fit twisted tapes. International Communications in Heat and Mass Transfer 2009, 36(9):947-955.
27. Pavel B.I., Mohamad A.A. An experimental and numerical study on heat transfer enhancement for gas heat exchangers fitted with porous media. International Journal of Heat and Mass Transfer 2004, 47(23):4939-4952.
28. Rahimi M., Shabanian S.R., Alsairafi A.A. Experimental and CFD studies on heat transfer and friction factor characteristics of a tube equipped with modified twisted tape inserts. Chemical Engineering and Processing: Process Intensification 2009, 48(3):762-770.
29. ANSI/ASME Measurement Uncertainty, PTC 19, 1-1985. Part I 1986.
30. Fluent 6.2® 2005, Fluent Inc, Lebanon, NH, USA.
31. Yakhot V., Orszag S.A. Renormalization group analysis of turbulence, I. Basic theory, Journal of Science Computer 1986, 1(1):3-51.
32. Launder B.E., Spalding D.B. The numerical computation of turbulent flows. Computational Methods in Applied Mechanics and Engineering 1974, 3(2):269-289.
33. Incropera F., Dewitt P.D. Introduction to Heat Transfer 1996, John Wiley & Sons Inc. 3rd edition.
34. Ozceyhan V., Gunes S., Buyukalaca O., Altuntop N. Heat transfer enhancement in a tube using circular cross sectional rings separated from wall. Applied Energy 2008, 85(10):988-1001.