Second law analysis and heat transfer in a cross-flow heat exchanger with a new winglet-type vortex generator

Energy

Volumn 35, Issue 9, 2010, Pages 3686-3695

  Kotcioglu, Isak ^a   Caliskan, Sinan ^b   Cansiz, Ahmet ^a   Baskaya, Senol ^c  

^a ATATÜRK UNIVERSITY   (Turkey)

^b HITIT UNIVERSITY   (Turkey)

^c GAZI UNIVERSITY   (Turkey)

Author keywords

Cross flow heat exchanger; Entropy generation; e open NTU; Vortex generators

Indexed keywords

HEAT EXCHANGERS; HEAT TRANSFER; OPTIMIZATION; REYNOLDS NUMBER; TRANSPORT AIRCRAFT; VORTEX FLOW;

CHANNEL GEOMETRY; CROSS FLOWS; CROSS-FLOW HEAT EXCHANGERS; DESIGN PARAMETERS; ENTROPY GENERATION; ENTROPY GENERATION MINIMIZATION; FLOW LENGTH; FLUID FRICTION; FLUID VELOCITIES; HEAT TRANSFER IRREVERSIBILITY; HEAT TRANSFER RATE; IN-CHANNELS; LONGITUDINAL VORTEX GENERATORS; OPTIMIZATION MODELS; SECOND LAW ANALYSIS; TEST RESULTS; VORTEX GENERATORS;

ENTROPY;

CHANNEL FLOW; ENTROPY; FLOW VELOCITY; FRICTION; HEAT TRANSFER; OPTIMIZATION; REYNOLDS NUMBER; THERMODYNAMICS; VORTEX FLOW;

EID: 77955277994     PISSN: 03605442     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.energy.2010.05.014     Document Type: Article

References (27)

1. Vargas J.V.C., Bejan A. Thermodynamic optimization of finned cross flow heat exchangers for aircraft environmental control systems. Int J Heat Fluid Flow 2001, 22:657-665.
2. Bejan A., Poulikakos D. Fin geometry for minimum entropy generation in forced convection. J Heat Transfer 1982, 104:616-623.
3. Bejan A. Entropy generation through heat and fluid flow 1982, Wiley, New York.
4. Bejan A. The concept of irreversibility in heat exchanger design: counter flow heat exchangers for gas-to-gas applications. ASME J Heat Transfer 1977, 99:374-380.
5. Khan W.A., Culham J.R., Yovanovich M.M. Optimization of pin-fin heat sinks in bypass flow using entropy generation minimization method. ASME J Electron Packag 2008, 130:7.
6. Bergles A.E. Heat transfer enhancement-the encouragement and accommodation of high heat fluxes. J Heat Transfer (Trans ASME) 1997, 119:8-19.
7. San J.Y., Worek M.W., Lavan Z. Entropy generation in convective heat transfer and isothermal convective mass transfer. ASME J Heat Transfer 1987, 109:647-652.
8. San J.Y., Worek M.W., Lavan Z. Entropy generation in combined heat and mass transfer. Int J Heat Mass Transfer 1987, 30:1359-1369.
9. Zimparov V. Extended performance evaluation criteria for enhanced heat transfer surface. Heat transfer through ducts with constant wall temperature. Int J Heat Mass Transfer 2000, 43:3137-3155.
10. Durmus A. Heat transfer and exergy loss in a concentric heat exchanger with snail entrance. Int Commun Heat Mass Transfer 2002, 29:303-312.
11. Rosen M.A., Dincer I. Effect of varying dead-state properties on energy and exergy analyses of thermal systems. Int J Therm Sci 2004, 43(2):121-133.
12. Ranganayakulu C.H., Seetharamu K.N., Sreevatsan K.V. The effects of inlet fluid flow on uniformity on thermal performance and pressure drops in cross flow plate-fin compact heat exchangers. Int J Heat Mass Transfer 1997, 40:27-38.
13. Soylemez M.S. On the optimum heat exchanger sizing for heat recovery. Energy Convers Manage 2000, 41:1419-1427.
14. Ogulata R.T., Doba F., Kucuk A. Plate type waste heat recovery system. J Thermodyn 1995, 33:67-69.
15. Ogulata R.T., Doba F., Yilmaz T. Irreversibility analysis of cross flow heat exchangers. Energy Convers Manage 2000, 41:1585-1599.
16. Lucas K. On thermodynamics of cogeneration. Int J Therm Sci 2000, 39:1039-1046.
17. Gomez L.C., Navarro H.A., Jabardo J.M.S. Thermal performance of multipass parallel and counter-cross-flow heat exchangers. ASME J Heat Transfer 2007, 129:282-290.
18. Shang W., Besant R.W. Effects of manufacturing tolerances on regenerative exchanger number of transfer units and entropy generation. ASME J Eng Gas Turbines Power 2006, 128:585-598.
19. Fakheri A. Thermal efficiency of the cross flow heat exchangers. ASME international mechanical engineering congress and exposition (IMECE2006) 2006, vol. 1. p. 645-651.
20. Satapathy A.K. Thermodynamic optimization of a coiled tube heat exchanger under constant heat flux condition. Energy 2009, 34:1122-1126.
21. San J.Y., Jan C.L. Second-law analysis of a wet cross flow heat exchanger. Energy 2000, 25:939-955.
22. Wu S.Y., Yuan X.F., Li Y.R., Xiao L. Exergy transfer effectiveness on heat exchanger for finite pressure drop. Energy 2007, 32:2110-2120.
23. Mohagheghi M., Shayegan J. Thermodynamic optimization of design variables and heat exchangers layout in HRSGs for CCGT, using genetic algorithm. Appl Therm Eng 2009, 29:290-299.
24. Kline S.J., McClintock F.A. Describing uncertainties in single sample experiments. Mech Eng 1955, 75:3-8.
25. Editorial J.H.T. Journal of heat transfer policy on reporting uncertainties in experimental measurements and results. J Heat Transfer 1993, 115:5-6.
26. Kotcioglu I., Ayhan T., Olgun H., Ayhan B. Heat transfer and flow structure in a rectangular channel with wing-type vortex generator. Tr J Eng Environ Sci TUBITAK 1998, 22:185-195.
27. Kotcioglu I., Caliskan S. Experimental investigation of a cross-flow heat exchanger with wing-type vortex generators. J Enhance Heat Transfer 2008, 15:113-127.