Turbulent heat transfer enhancement in a triangular duct using delta-winglet vortex generators

Heat Transfer - Asian Research

Volumn 41, Issue 1, 2012, Pages 43-62

  Althaher, M A ^a   Abdul Rassol, A A ^a   Ahmed, H E ^a   Mohammed, H A ^b  

^a UNIVERSITY OF ANBAR   (Iraq)

^b Universiti Tenaga Nasional   (Malaysia)

Author keywords

Delta winglet; Heat transfer enhancement; Triangular duct; Turbulent flow; Vortex generator

Indexed keywords

CONSTANT HEAT FLUX; CONVECTIVE HEAT TRANSFER; CORRELATION EQUATION; DELTA-WINGLET; FRICTION FACTORS; HEAT TRANSFER ENHANCEMENT; INCLINATION ANGLES; LEADING EDGE; SIDE WALLS; TEST SECTIONS; TURBULENT HEAT TRANSFER; VORTEX GENERATORS;

ANGLE OF ATTACK; DUCTS; FRICTION; HEAT CONVECTION; HEAT FLUX; HEAT TRANSFER COEFFICIENTS; NUSSELT NUMBER; REYNOLDS NUMBER; TRANSPORT AIRCRAFT; TRIBOLOGY; TURBULENT FLOW;

VORTEX FLOW;

EID: 84155189156     PISSN: 10992871     EISSN: 15231496     Source Type: Journal    
DOI: 10.1002/htj.20382     Document Type: Article

References (43)

1. Cengel YA. Heat transfer a practical approach, 1st ed. McGraw Hill; 1998.
2. Krieth F, Bohn MS. Principle of heat transfer, 5th ed. PWS Publishing Company; 1997.
3. Chegini H, Chaturvedi SK. An experimental and analytical investigation of friction factors for fully developed flow in internally finned triangular ducts. J Heat Transf 1986;108:507-512.
4. Rohsenow WR, Hartnett JP, Garric EN. Handbook of heat transfer application. McGraw-Hill; 1985. Chapter 7.
5. Altemani CAC, Sparrow EM. Turbulent heat transfer in an unsymmetrically heat triangular duct. J Heat Transf 1980;102:590-597.
6. Pauley WR, Eaton JK. The effect of embedded longitudinal vortex arrays on turbulent boundary layer heat transfer. J Heat Transf 1994;116:871-879.
7. Tiggelbeck ST, Mitra NK, Feibig M. Comparison of wing type vortex generators for heat transfer enhancement in channel flows. J Heat Transf 1994;116:880-885.
8. Aly AMM, Trupp C, Gerrard AD. Measurements and prediction of fully developed turbulent flow in an equilateral triangular duct. J Fluid Mech 1978;85:5-83.
9. Wroblewski DE, Fibeck PA. Measurements of turbulent heat transport in a boundary layer with an embedded streamwise vortex. Int J Heat Mass Transf 1991;34:1617-1631.
10. Dep P, Biswas G, Mitra NK. Heat transfer and flow structure in laminar and turbulent flow in a rectangular channel with longitudinal vortices. Int J Heat Mass Transf 1995;38:2427-2444.
11. Biswas G, Chattopadhyay H. Heat transfer in a channel with built-in wing-type vortex generators. Int J Heat Mass Transf 1992;35:803-814.
12. Biswas G, Dep P, Biswas S. Generation of longitudinal streamwise vortices-a device for improve heat exchanger design. J Heat Transf 1994;116:588-597.
13. Zhu JX, Fiebeck M, Mitra NK. Numerical investigation of turbulent flows and heat transfer in a rib-roughened channel with longitudinal vortex generators. Int J Heat Mass Transf 1995;38:495-501.
14. Kotcioglu I, Ayhan T, Olgun H, Ayhan B. Heat transfer and flow structure in a rectangular channel with wing-type vortex generator. J Eng Environ Sci 1998;22:185-195.
15. Chang L, Wang L, Song K, Sun D, Fan J. Numerical study of the relationship between heat transfer enhancement and absolute vorticity flux along main flow direction in a channel formed by a flat tube bank fin with vortex generators. Int J Heat Mass Transf 2009;52:1794-1801.
16. Joardar A, Jacobi AM. Heat transfer enhancement by winglet-type vortex generator array in compact plain-fin-and-tube heat exchangers. Int J Refrigeration 2008;31:87-97.
17. Shi B, Wang L, Gen F, Zhang Y. The optimal fin spacing for three-row flat tube bank fin mounted with vortex generators. J Heat Transf 2006;43:91-101.
18. Song KW, Wang L, Fan J, Zhang Y, Liu S. Numerical study of heat transfer enhancement of finned flat tube bank fin with vortex generators mounted on both surface of the fin. Heat Mass Transf 2008;44:959-967.
19. Wu JM, Tao WQ. Numerical study on laminar convection heat transfer in a rectangular channel with longitudinal vortex generator. Part A: Verification of field synergy principle. Int J Heat Mass Transf 2008;51:1179-1191.
20. Wu JM, Tao WQ. Numerical study on laminar convection heat transfer in a channel with longitudinal vortex generator. Part B: Parametric study of major influence factors. Int J Heat Mass Transf 2008;51:3683-3692.
21. Munish G, Hisar G, Kasana K, Vasudevan R. Heat transfer augmentation in a plate-fin heat exchanger using rectangular winglet. J Heat Transf Asian Res 2010;2:1-43.
22. Vasudevan R, Eswaran V, Biswas G. Winglet-type vortex generators for plate-fin heat exchangers using triangular fins. Numer Heat Transf Part A 2000;58:533-555.
23. Rütten M, Krenkel L. Heat transfer enhancement by using vortex generators. ECCOMAS, June 30-July 5, 2008.
24. O'Brien JE, Sohal MS, Foust TD, Wallstedt PC. Heat transfer enhancement for finned-tube heat exchanger with vortex generators: experimental and numerical results. INEEL/CON-01-01491, 2002.
25. Wang CC, Lo J, Lin YT, Wei CS. Flow visualization of annular and delta winlet vortex generators in fin-and-tube heat exchanger application. Int J Heat Mass Transf 2002;45:3803-3815.
26. Leu J, Wu Y, Jang J. Heat transfer and fluid flow analysis in plate-fin and tube heat exchangers with a pair of block shape vortex generators. Int J Heat Mass Transf 2004;47:4327-4338.
27. Fiebig M, Mitra NK, Bochum YD. Influence of punched-out delta-winglet vortex generators on heat transfer and drag of fin-tubes. Wärme-und Stofftübertragung 1990;25:33-43.
28. Chen Y, Fiebig M, Mitra NK. Conjugate heat transfer of a finned oval tube with a punched longitudinal vortex generator in form of a delta winglet-parametric investigations of the winglet. Int J Heat Mass Transf 1998;41:3961-3978.
29. Zhang YH, Wang LB, Su YX, Gao SD. Effects of the pitch of in-line delta winglet vortex generators on heat transfer of a finned three-row flat tube bank. Exp Heat Transf 2004;17:69-90.
30. Chomdee S, Kiatsiriroat T. Enhancement of air cooling in staggered array of electronic modules by integrating delta winglet vortex generators. Int Commun Heat Mass Transf 2006;33:618-626.
31. Chomdee S, Kiatsiriroat T. Air-cooling enhancement with delta winglet vortex generators in entrance region of in-line array electronic modules. Heat Transf Eng 2007;28:372-379.
32. Joardar A, Jacobi AM. A numerical study of flow and heat transfer enhancement using an array of delta-winglet vortex generators in a fin-and-tube heat exchanger. J Heat Transf 2007;129:1156-1167.
33. Lemouedda A, Breuer M, Franz E, Botsch T, Delgado A. Optimization of the angle of attack of delta-winglet vortex generators in a plate-fin-and-tube heat exchanger. Int J Heat Mass Transf 2010;53:5386-5399.
34. Yong-Gang L, Ya-Ling H, Li-Ting T, Pan C, Wen-Quan T. Hydrodynamics and heat transfer characteristics of a novel heat exchanger with delta-winglet vortex generators. Chem Eng Sci 2010;65:1551-1562.
35. Sachdeva G, Kasana KS, Vasudevan R. Analysis on heat transfer enhancement by using triangular shaped inserts as secondary fins in cross flow plate fin heat exchanger. Int J Dynamics Fluids 2010;6:41-47.
36. Spencer EA. Progress on international standardization of orifice plates for flow measurement. Int J Heat Fluid Flow 1982;3:59-66.
37. Al-Khafaji AWA, Tooley JR. Numerical methods in engineering practice, 1st ed. CBS Publishing; 1986.
38. Holman JP. Heat transfer, 4th ed. McGraw-Hill; 1976.
39. Petukhov BS, Popov VN. Theoretical calculation of heat exchange and frictional resistance in turbulent flow in tubes of an incompressible fluid with variable physical properties. High Temperature 1963;1:69-83.
40. Streeter VL, Wylie EB. Fluid mechanics, 7th ed. McGraw-Hill; 1979.
41. Lienhard HJ IV, Lienhard JH V. A heat transfer textbook, 3rd ed. Cambridge; 2006.
42. Hassan AKA. Forced convection in isosceles right angle triangular and 4-cusp ducts. Ph.D. Thesis, Department of Mechanical Engineering, University of Liverpool; 1984.
43. Kakac S, Shah RK, Aung W. Handbook of single-phase convective heat transfer. John Wiley; 1987. p 4.87.