Performance and modeling of thermosyphon heat exchangers for solar water heaters

Journal of Solar Energy Engineering, Transactions of the ASME

Volumn 119, Issue 3, 1997, Pages 193-200

  Dahl, S D ^a   Davidson, J H ^a  

^a University of Minnesota   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0038571876     PISSN: 01996231     EISSN: 15288986     Source Type: Journal    
DOI: 10.1115/1.2888018     Document Type: Article

References (35)

1. Allen, p. L., and Ajele, O. J., 1994a, “Natural Convection from Enclosed Multiple Coils,” Proceedings, North Sun ‗94, Solar Energy at High Latitudes Conference, Glasgow, Scotland.
2. Allen, P. L., and Ajele, O. J., 1994b, “Optimum Configuration of Natural Convection Shell-and-Coil Heat Exchanger with Respect to Thermal Performance,” Proceedings, Solar ‗94, Annual Conference of the American Solar Energy Society, San Jose, CA, Vol., pp. 292-297.
3. Avina, J., Beckman, W. A., and Klein, S. A., 1995, “Simulation of a Natural Convection Heat Exchanger Solar Domestic Hot Water System,” Proceedings, Solar ‗95, Annual Conference of the American Solar Energy Society, Minneapolis, MN, R. Campell-Howe and B. Wilkins-Crowder, eds., pp. 299-304.
4. Bishop, A. A., Willis, J. M., and Markley, R. A., 1980, “Effects of Buoyancy on Laminar Vertical Upward Flow Friction Factors in Cylindrical Tubes,” Nuclear Engineering and Design, Vol. 62, pp. 365-369.
5. Churchill, S. W., 1977a, “A Comprehensive Correlating Equation for Laminar, Assisting, Forced and Free Convection,” AIChE, Vol, 23, No. 1, pp. 10-16.
6. Churchill, S. W., 1977b, “Friction-Factor Equation Spans all Fluid Flow Regimes,” Chein. Eng., Vol. 1, pp. 91-92
7. Dahl, S. D., and Davidson, J. H, 1995a, “Characterization of a Tube-in-Shell Thermosyphon Heat Exchanger for Solar Water Heating,” Proceedings, ASME/JSME/JSES International Solar Energy Conference, Maui, HI, pp. 1157-1163
8. Dahl, S. D., and Davidson, J. H, 1995b, “Comparison of Natural Convecdon Heat Exchangers for Solar Water Heating,” Proceedings, Solar ‗95, Annual Conference of the American Solar Energy Society, Minneapolis, MN, pp, 288-293
9. El-Genk, M. S., Bedrose, S. D., and Rao, D. V, 1990, “Forced and Combined Convection of Water in a Vertical Seven-Rod Bundle with P/D = 1,38,” Int. J. Heat Mass Transfer, Vol. 33, No. 6, pp, 1289-1297
10. El-Genk, M. S., Su, B., and Guo, Z., 1993, “Experimental Studies of Forced, Combined and Natural Convection of Water in Vertical Nine-Rod Bundles with a Square Lattice,” Int. J. Heat Mass Transfer. Vol, 36, No, 9, pp, 2359-2374
11. Elliot, C. A., and Harrison, S. J., 1993, “Development of Solar Domestic Hot Water Systems to Reduce Electric Utility Peak Loads,” SESCI 1993, Quebec City, Quebec.
12. Eraser, K. F., Hollands, K. G. T., and Brunger, A. P., 1992, “Modelling Natural Convection Heat Exchangers for SDHW Systems,” Proceedings, “Renewable Energy: Technology for Today” 18th Annual Conference of the Solar Energy Society of Canada, Edmonton, Alberta, pp. 190-195.
13. Eraser, K. F., Hollands, K. G. T., and Brunger, A. P., 1995, “An Empirical Model for Natural Convection Heat Exchangers in SDHW Systems,” Solar Energy, Vol. 55, No. 2, pp. 75-84.
14. Gnielinski, V., 1976, “New Equations for Heat and Mass Transfer in Turbulent Pipe and Channel Flow,” Int. Chem. Eng., Vol. 16, pp. 359-368.
15. Greif, R., 1988, “Natural Circulation Loops,” ASME Journal of Heat Transfer, Vol. 110, pp. 1243-1258.
16. Gruszczynski, M. J., and Viskanta, R., 1983, “Heat Transfer from a Vertical Tube Bundle Under Natural Circulation Conditions,” Proceedings, ASME/JSME Thermal Engineering Joint Conference, W. J. Yang and Y, Mori, eds., Vol. 3, pp. 403-410.
17. Hallinan, K. P., and Viskanta, R., 1985, “Heat Transfer from a Vertical Tube Bundle Under Natural Circulation Conditions,” Int. J. Heat & Fluid Flow, Vol. 6, No. 4, pp. 256-264.
18. lannello, V., Suh, K. Y., and Todreas, N. E., 1988, “Mixed Convection Friction Factors and NusseU Numbers in Vertical Annular and Subchannel Geometries,” Int. J. Heat Mass Transfer, Vol. 31, No. 10, pp. 2175-2189.
19. Jackson, J. D., Cotton, M. A., and Axcell, B. P., 1989, “Studies of Mixed Convection in Vertical Tubes,” Int. J. Heat and Fluid Flow, Vol. 10, No. 1, pp. 2-15.
20. Joshi, S. D., and Shah, R. K., 1987, “Convective Heat Transfer in Bends and Fittings,” Handbook of Single-Phase Convective Heat Transfer, S. Kakac, R. K. Shah, and W. Aung, eds., pp. 10-1-10-32.
21. Kays, W. M., and London, A. L., 1984, “Compact Heal Exchangers, “ 3rd ed., McGraw-Hill, New York.
22. Kemeny, G. A., and Somers, E. V., 1962, “Combined Free and Forced-Convective Flow in Vertical Circular Tubes-Experiments with Water and Oil,” ASME Journal of Heat Transfer, Vol. 84, pp. 339-346.
23. Keyhani, M., Kulacki, F. A., and Christensen, R. N., 1985, “Experimental Investigation of Free Convection in a Vertical Rod Bundle—A General Conelation for Nusselt Numbers,” ASME Journal of Heal Transfer, Vol. 107, pp. 611-623.
24. Laouadi, A., Galanis, N., and Nguyen, C. T., 1994, “Laminar Fully Developed Mixed Convection in Inclined Tubes Uniformly Heated on their Outer Surface,” Numerical Heat Transfer, Part A, Vol. 26, pp. 719-738.
25. Lewis, J. S., Collins, M. W., and Allen, P. H. G., 1990, “Flow Rate Predictions for a Thermosyphon Loop,” Proceedings, The Ninth International Heat Transfer Conference, Jerusalem, Israel, G. Hetsroni, eds. Vol. 2, pp. 549-554.
26. Lorenz, K., Bales, C, and Broman, L., 1994, “Spiral Small Tube (SST) Heat Exchanger, a New Heat Exchanger for the Collector Loop in Low-Flow Systems,” Proceedings, lEA Task 14 Meeting, Seville, Spain.
27. Mertol, A., and Greif, R., 1985, “A Review of Natural Circulation Loops,” Natural Convection, W. A. S. Kakac, and R. Viskanta, eds. Hemisphere, Washington, DC, pp. 1033-1071.
28. Parent, M. G., Van Der Meer, T. H., and Hollands, K. G. T., 1990, “Natural Convection Heat Exchangers in Solar Water Heating Systems: Theory and Experiment,” Solar Energy, Vol. 45, No. 1, pp. 43-52.
29. Richmond, D. A., and Hollands, K. G. T., 1989, “Numerical Solution of an Open Cavity, Natural Convection Heat Exchanger,” ASME Journal of Heat Transfer, Vol. 111, pp. 80-85.
30. Sathyamurthy, P., Karki, K. C, and Patankar, S. V., 1992, “Laminar, Fully Developed Mixed Convection in a Vertical Eccentric Annulus,” Numerical Heat Transfer, Part A, Vol. 22, pp. 71-85.
31. Shah, R. K., and Bhatti, M. S., 1987, “Laminar Convective Heat Transfer in Ducts,” Handbook of Single-Phase Convective Heat Transfer, S. Kakac, R. K. Shah, and W. Aung, eds., John Wiley and Sons, New York, pp. 3-1-3-137.
32. Shah, R. K., and London, A. L., 1978, “Laminar Flow Forced Convection in Ducts,” Advances in Heat Transfer, T. F. J. Irvine and J. P. Hartnett, eds. Academic Press, pp. 1-415.
33. Suh, K. Y., Todreas, N. E., and Rohsenow, W. M., 1989, “Mixed Convective Low Flow Pressure Drop in Vertical Rod Assemblies: II-Experimental Validation,” ASME Journal of Heat Transfer, Vol. 111, pp. 966-973.
34. Webb, R. L., 1994, Principles of Enhanced Heat Transfer, John Wiley and Sons, New York.
35. Zvirin, Y., 1981, “A Review of Natural Circulation Loops in Pressurized Water Reactors and Other Systems,” Nuclear Eng. and Design, Vol. 67, pp. 203-225.