Determination of stagnation and convective zones in a solar cavity receiver

International Journal of Thermal Sciences

Volumn 49, Issue 4, 2010, Pages 680-691

  Prakash, M ^a   Kedare, S B ^a   Nayak, J K ^a  

^a INDIAN INSTITUTE OF TECHNOLOGY BOMBAY   (India)

Author keywords

Air temperature gradient (ATG); Cavity receiver; Convective zone; Critical air temperature gradient; Parabolic dish receiver systems; Stagnation zone

Indexed keywords

AIR TEMPERATURE; CAVITY RECEIVER; CONVECTIVE ZONE; PARABOLIC DISH-RECEIVER SYSTEMS; STAGNATION ZONES;

COLD STORAGE; COMPRESSED AIR; FACINGS; FLUIDS; HEAT LOSSES; THERMAL GRADIENTS;

ATMOSPHERIC TEMPERATURE;

EID: 74849137443     PISSN: 12900729     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijthermalsci.2009.06.015     Document Type: Article

References (29)

1. Kedare S.B., Nayak J.K., and Paranjape A.D. Development, Installation and Evaluation of Large Scale Concentrating Solar Collector for Medium Temperature Industrial Thermal Applications. Final Report of R&D project no. 15/9/2002-ST (2006), Ministry of New and Renewable Energy, Govt. of India
2. Harris J.A., and Lenz T.G. Thermal performance of solar concentrator/cavity receiver systems. Solar Energy 34 (1985) 135-142
3. W.B. Stine, C.G. McDonald, Cavity receiver heat loss measurements, in: Proceedings of ASME Solar Energy Division Conference, Denver, Colorado, 1988.
4. Leibfried U., and Ortjohann J. Convective heat loss from upward and downward-facing cavity solar receivers: measurements and calculations. Journal of Solar Energy Engineering 117 (1995) 75-84
5. Clausing A.M. An analysis of convective losses from cavity solar central receivers. Solar Energy 27 4 (1981) 295-300
6. Clausing A.M. Convective losses from cavity solar receivers - comparisons between analytical predictions and experimental results. Journal of Solar Energy Engineering 105 (1983) 29-33
7. Le Quere P., Humphrey J.A.C., and Sherman F.S. Numerical calculation of thermally driven two-dimensional unsteady laminar flow in cavities of rectangular cross section. Numerical Heat Transfer 4 (1981) 249-283
8. Le Quere P., Penot F., and Mirenayat M. Experimental study of heat loss through natural convection from an isothermal cubic open cavity. In: Falcone P.K. (Ed). Proceedings DOE/SERI/SNLL Workshop on Convective Losses from Solar Receivers (1981) 165-174 Sandia Laboratory Report SAND81-8014, Livermore, California
9. Penot F. Numerical calculation of two-dimensional natural convection in isothermal open cavities. Numerical Heat Transfer 5 (1982) 421-437
10. Hess C.F., and Henze R.H. Experimental investigations of natural convection losses from open cavities. Journal of Heat Transfer 106 (1984) 333-338
11. Chen K.S., Humphrey J.A.C., and Sherman F.S. Convective flow in a heated cavity - free and mixed convective flow of air in a heated cavity of variable rectangular cross-section and orientation. Philosophical Transactions of the Royal Society of London A316 (1985) 57-84
12. Chan Y.L., and Tien C.L. A numerical study of two-dimensional laminar natural convection in shallow open cavities. International Journal of Heat and Mass Transfer 28 (1985) 603-612
13. Chan Y.L., and Tien C.L. Laminar natural convection in shallow open cavities. Journal of Heat Transfer 108 (1986) 305-309
14. Pavlovic M.D., and Penot F. Experiments in the mixed convection regime in an isothermal open cubic cavity. Experimental Thermal and Fluid Science 4 (1991) 648-655
15. Skok H., Ramadhyani S., and Schoenhals R.J. Natural convection in side-facing open cavity. International Journal of Heat and Fluid Flow 12 (1991) 36-45
16. Chakroun W., Elsayed M.M., and Al-Fahed S.F. Experimental measurements of heat transfer coefficient in a partially/fully opened tilted cavity. Journal of Solar Energy Engineering 119 (1997) 298-303
17. R.Y. Ma, Wind Effects on Convective Heat Loss from a Cavity Receiver for a Parabolic Concentrating Solar Collector, Sandia National Laboratories Report, SAND92-7293, 1993.
18. C.G. McDonald, Heat Loss from an Open Cavity, Sandia National Laboratories Report, SAND95-2939, 1995.
19. Eyler L.L. Predictions of convective losses from a solar cavity receiver. In: Falcone P.K. (Ed). Proceedings DOE/SERI/SNLL Workshop on Convective Losses from Solar Receivers (1981) 93-104 Sandia Laboratory Report SAND81-8014, Livermore, California
20. Sendhil Kumar N., and Reddy K.S. Numerical investigation of natural convection heat loss in modified cavity receiver for fuzzy focal solar dish concentrator. Solar Energy 81 (2007) 846-855
21. S. Paitoonsurikarn, K. Lovegrove, Numerical investigation of natural convection loss in cavity-type solar receivers, in: Proceedings of Solar 2002, ANZSES Annual Conference, Newcastle, Australia, 2002.
22. S. Paitoonsurikarn, K. Lovegrove, On the study of convection loss from open cavity receivers in solar paraboloidal dish application, in: Proceedings of Solar 2003, ANZSES Annual Conference, Melbourne, Australia, 2003.
23. S. Paitoonsurikarn, T. Taumoefolau, K. Lovegrove, Estimation of convection loss from paraboloidal dish cavity receivers, in: Proceedings of Solar 2004: Life, the Universe and Renewables, 42nd Annual Conference of the Australian and New Zealand Solar Energy Society, Perth, Australia, 2004.
24. Reddy K.S., and Sendhil Kumar N. Combined laminar natural convection and surface radiation heat transfer in a modified cavity receiver of solar parabolic dish. International Journal of Thermal Sciences 47 (2008) 1647-1657
25. Sendhil Kumar N., and Reddy K.S. Comparison of receivers for solar dish collector system. Energy Conversion and Management 49 (2008) 812-819
26. Fluent Inc., copyright, CFD software package, 2003.
27. Holman J.P. Heat Transfer, Eighth SI Metric Edition (2002), Tata McGraw-Hill Publishing Company Limited, New Delhi
28. Gray D.D., and Giorgini A. The validity of the Boussinesq approximation for liquids and gases. International Journal of Heat and Mass Transfer 19 (1976) 545-551
29. Prakash M., Kedare S.B., and Nayak J.K. Investigations on heat losses from a solar cavity receiver. Solar Energy 83 (2009) 157-170