Heat transfer and exergy loss in cut out conical turbulators

Energy Conversion and Management

Volumn 45, Issue 5, 2004, Pages 785-796

  Durmuş, Aydin ^a  

^a FIRAT UNIVERSITY   (Turkey)

Author keywords

Concentric heat exchanger; Exergy loss; NTU; Turbulators

Indexed keywords

COSTS; ELECTROSTATICS; ENERGY CONSERVATION; HEAT LOSSES; HEAT TRANSFER;

AIR FLOW RATES; TURBULATORS;

HEAT EXCHANGERS;

EID: 0345412003     PISSN: 01968904     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0196-8904(03)00186-9     Document Type: Article

References (15)

1. Royds R. Heat transmission by radiation, conduction and convection. 1st ed. 1921;Constable and Company, London. p. 53.
2. Junkhan G.H., Bergles A.E., Nirmalan V., Ravigururajan T. Investigation of turbulators for fire tube boilers. ASME J. Heat Transfer. 107:1985;354-360.
3. Zaherzadeh N.H., Jagadish B.S. Heat transfer in decaying swirl flows. Int. J. Heat Mass Transfer. 18(7):1975;941-944.
4. Smithberg E., Landis F. Friction and forced convection heat transfer characteristics in tube with twisted tape swirl generators. J. Heat Transfer. (1-2):1964;39-49.
5. Narezhnyy E.G., Sudarev A.V. Local heat transfer in air flowing in tubes with a turbulence promoter at the inlet. Int. J. Heat Mass Transfer. (2-3):1971;62-66.
6. Migay V.K., Golubev L.K. Friction and heat transfer in turbulent swirl flow: the variable swirl generator in a pipe. Int J. Heat Mass Transfer. (2-3):1970;68-73.
7. Thorsen R., Landis F. Friction and heat transfer characteristics in turbulent swirl flow subjected to large transverse temperature gradients. ASME J. Heat Transfer. (1):1968;87-97.
8. Demirtaş C., Durmuş A., Karabay H., Ayhan T. Effect of conical ring-shaped turbulators on boiler output (original published in Turkish). Turkey-Isparta: Journal of University of Akdeniz. 7:1993;162-171.
9. Sarioglu M., Durmuş A., Ayhan T. Experimental investigation of effects to flow area of conical turbulators placed into cylindrical pipe. TIBTD (Turkish Journal). (15-(3/4)):1992;15-19.
10. Durmuş A. The effect on heat exchanger performance of the swirl flow generator with the snail entrance. Master Thesis, Karadeniz Technical University, Trabzon, Turkey, 1994.
11. Durmuş A., Durmuş A., Esen M. Investigation of heat transfer and pressure drop in a concentric heat exchanger with snail entrance. Appl. Therm. Eng. 22:2002;321-332.
12. Durmuş A. Heat exchanger and exergy loss in a concentric heat exchanger with snail entrance. Int. Commun. Heat Mass Transfer. 29(3):2002;303-312.
13. Teke I, Kincay O. Determination of economic heat exchanger type according to exergy loss. Energy Systems and Ecology (International Conference) ENCES'93 of ASME, vol. 1, 1993. p. 387-91.
14. Paykoç E., Yüncü H. Irreversibility in double pipe exchangers. TIBTD (Turkish Journal). 9-3:1986;35-41.
15. Cengel Y.A., Boles M.A. Thermodynamics, an engineering approach. 1994;McGraw-Hill, New York. p. 410-14.