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Thermal Storage Comparison for Variable Basement Kinds of a Solar Chimney Prototype in Baghdad - Iraq Weathers
Miqdam T. Chaichan, Hussein A Kazem
Pages - 12 - 20     |    Revised - 01-05-2011     |    Published - 31-05-2011
Volume - 2   Issue - 2    |    Publication Date - May / June 2011  Table of Contents
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KEYWORDS
Solar Chimney, Basement Effect, Storage Efficiency, Concrete, Pebbles
ABSTRACT
A solar updraft tower power plant ‘solar tower’ is a solar thermal power plant utilizing a combination of solar air collector and central updraft tube to generate an induced convective flow which drives pressure staged turbines to generate electricity. The issue of this paper is to present practical results of 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 2010. 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 increments in collected air temperatures were achieved compared to ambient air temperatures for the three basements kind. The highest temperature difference reached was 22ºC with the pebble ground.
CITED BY (8)  
1 Chaichan, M. T., Al-Hamdani, A. H., & Kasem, A. M. Enhancing a Trombe wall charging and discharg-ing processes by adding nano-Al2O3 to phase change materials.
2 Al-Douri, Y., & Abed, F. M. (2016). Solar energy status in Iraq: Abundant or not—Steps forward. Journal of Renewable and Sustainable Energy, 8(2), 025905.
3 Esmeralda, A. B. (2015). Development of a Fish Solar Dehydrator. IAMURE International Journal of Mathematics, Engineering & Technology, 11, 172.
4 Chaichan, M. T., Kazem, H. A., Kazem, A. A., Abaas, K. I., & Al-Asadi, K. A. The effect of environmental conditions on con-centrated solar system in desertic weathers.
5 Kazem, A. A., Chaichan, M. T., & Kazem, H. A. (2014). Dust effect on photovoltaic utilization in Iraq: Review article. Renewable and Sustainable Energy Reviews, 37, 734-749.
6 Abed, F. M., Al-Douri, Y., & Al-Shahery, G. M. (2014). Review on the energy and renewable energy status in Iraq: The outlooks. Renewable and Sustainable Energy Reviews, 39, 816-827.
7 Ali, M. H. (2013). Analysis Study of Solar Tower Power Plant & Its Configuration Effects on Its Performance in Iraq (Baghdad City). Modern Applied Science, 7(4), p55.
8 Kazem, H. A., & Chaichan, M. T. (2012). Status and future prospects of renewable energy in Iraq. Renewable and Sustainable Energy Reviews, 16(8), 6007-6012.
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Dr. Miqdam T. Chaichan
- Iraq
miqdam_tc@hotmail.com
Dr. Hussein A Kazem
- Oman