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Abstract
A solar updraft tower power plant (solar tower) is a solar thermal power plant that utilizes a combination of solar
air collector and central updraft tube to generate an induced convective flow which drives pressure staged turbines to generate electricity.
This paper presents practical results of a prototype of a solar chimney with thermal mass, where the glass surface is replaced by transparence plastic cover. The study focused on chimney's basements kind effect on collected air temperatures. Three basements were used: concrete, black concrete and black pebbles basements. The study was conducted in Baghdad from August to November 2009.
The results show that the best chimney efficiency attained was 49.7% for pebbles base. The highest collected air temperature reached was 49ºC when using the black pebbles basement also.also, the maximum basement temperature measured was 59ºC for black pebbles. High increaments in collected air temperatures were achieved in comparison with the ambient air temperatures for the three basement kinds. The highest temperature difference reached was 22ºC with the pebble ground.
References
[2] Bilgen E and Rheault J, 2005, Solar chimney power plant for high latitudes. Solar Energy journal, Vol. 79, pp: 449-458.
[3] Direcksataporn B, 2008, Potential study of solar chimney power plant in northeastern region of Thailand, Technology and innovation for sustainable development conference, Faculty of engineering, Khon Kaen University, Thailand, 28-29 January.
[4] Haase M and Amato A, 2005, Development of double –skin façade system that combines airflow windows with solar chimney. The 2005 world sustainable building conference, Tokyo, 27-29 September.
[5] Hirunrabh J, Kongduang W, Namprakai P and Khendari J, 1999. Study of Natural ventilation of houses by a metallic solar wall under tropical climate, Renewable Energy journal, Vol. 18, pp: 109-119.
[6] Günther H, 1931, In hundert Jahren – Die künftige Energieversorgung der Welt” Kosmos, Gesellschaft der Naturfreunde, Franckh'sche Verlagshandlung, Stuttgart.
[7] Khedari J, Boonsri B and Hirunlabh J, 1999. Ventilation impact of a solar chimney on indoor temperature fluctuation and air change in a school building. Energy and Buildings journal, vol. 32, pp: 89-93.
[8] Koonsrisuk A and Chitsomboon T, 2006, Effect of tower area on the potential of solar tower, The 2nd joint international conference on "sustainable energy and environment (SEE2006)", 21-23 Nov, Bangkok, Thailand.
[9] Lovegrove K and Dennis M, 2006, Solar thermal energy systems in Australia, International journal of environmental studies, Vol.63, No. 6, pp: 791-802.
[10] Ong, K.S. and C.C. Chow, 2003, Performance of solar chimney. Solar energy, vol. 74, pp: 1-17.
[11] Onyango F N and Ochieng R M, 2006, The potential of solar chimney for application in rural areas of developing countries, Fuel journal, vol. 85, pp:2561-2566.
[12] Pretorius J P and Kroger D G, 2005, Critical evaluation of solar chimney power plant performance. Solar Energy journal, vol. 80, pp: 535-544.
[13] Schlaivh J, Bergermann R, Schiel W and Wienrebe G, 2005, Design of commercial solar updraft tower systems-utilization of solar induced convective flows for power generation, Journal of Solar Energy Engineering, vol. 127, pp: 117-124.
[14] Xinping Z, Yang J and Hou G, 2007, Experimental study of temperature field in a solar chimney power setup. Applied Thermal Engineering journal, vol. 27, pp: 2044-2050.
[15] Xinping Z, Yang J and Hou G, 2006, Simulation a pilot solar chimney thermal power generating equipment, Renewable Energy journal, vol. 32, pp: 1637- 1644.
[16] Shyia A K, 2002. Parametric study of solar chimney performance. M.Sc. thesis, University of AL-Mustansiriya, 2002.
[17] McQuiston F C, Parker J D and Spitlr J D, 2005, Heating , ventilating and air conditioning –analysis and design, John Wiley & Sons, Inc.
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