Effect of the Dust on the Performance of Solar Water Collectors in Iraq
There is little research about it in present literatures in Iraq. So the effect of dust accumulation on the performance of conventional of solar collectors is analyzed. The experimental study was carried out mainly on a flat solar collector, which comprised the major part of this work. According to the experimental results obtained, there is a limited decrease in the instantaneous efficiency which was 1.6 % for the dirty collector. At load condition, the outlet temperature reaches a maximum value of 43.85oC at 12 noon without dust on the front glass and 33.7 oC in the presence of the dust. The instantaneous efficiency reaches its maximum value of 49.74 % at 12 noon without dust and 48.94% with dust after that the efficiency was decreased. The variation of useful transferred energy closely follows the variation of solar intensity and reaches its maximum value of 690 W/m2 at 12 noon in the presence of the dust for this particular day. It is also observed that, at the second half of the day, there is a large decrease in the instantaneous efficiency resulting from a large reduction in the useful energy transferred. Therefore, for Iraqi places, daily cleaning of the glass covers is strictly recommended as part of the maintenance works but the equipment should be cleaned immediately after a dust storm to keep the collector efficient.
Article History: Received August 16, 2015; Received in revised form Nov 17, 2015; Accepted Dec 19, 2015; Available online
How to Cite This Article: Ahmed, O.K (2016). Effect of the Dust on the Performance of Solar Water Collectors in Iraq. Int. Journal of Renewable Energy Development, 5(1), 65-72.
- Duffie,J.A. & Beckman,W.A, (1991) Solar Engineering of Thermal Process, Wiley Inter science, New York.
- NIKNIA,I et. al (2012) A novel experimental method to find dust deposition effect on the performance of parabolic trough solar collectors, International Journal of Environmental Studies, pp, 1–20.
- Ajadi,D.A et. Al (2007) Effect of dust on the performance of a locally designed solar dryer, Research journal of applied sciences,2,3251-254.
- El-Nasharm A.M,(2009) Seasonal effect of dust deposition on a field of evacuated tube collectors on the performance of a solar desalination plant, Desalination, 239, 66–81.
- Vargas, et. Al. (2009) Modelling, simulation and optimization of a solar collector driven water heating and absorption cooling plant. Solar Energy,83, 1232–1244.
- El-Sebaii, A. A. & Al-Snani, H., (2010) Effect of selective coating on thermal performance of flat plate solar air heaters. ENERGY, 35: 1820-1828.
- Kobler, M. ,(2013) Dust storms of Iraq, UN Secretary General for Iraq, A ministerial meeting in Nairobi, Kenya.
- M. Imtiaz Hussain and Gwi Hyun Leem,(2014) Numerical and experimental analyses of solar energy collector for concentrating photovoltaic co-generation System, International Conference of Agricultural Engineering, Zurich.
The Authors submitting a manuscript do so on the understanding that if accepted for publication, copyright of the article shall be assigned to International Journal of Renewable Energy Development and Center of Biomass and Renewable Energy, Department of Chemical Engineering Diponegoro University as publisher of the journal.
Copyright encompasses exclusive rights to reproduce and deliver the article in all form and media, including reprints, photographs, microfilms and any other similar reproductions, as well as translations. The reproduction of any part of this journal, its storage in databases and its transmission by any form or media, such as electronic, electrostatic and mechanical copies, photocopies, recordings, magnetic media, etc. , will be allowed only with a written permission from International Journal of Renewable Energy Development and Center of Biomass and Renewable Energy, Department of Chemical Engineering Diponegoro University.
International Journal of Renewable Energy Development and Center of Biomass and Renewable Energy, Department of Chemical Engineering Diponegoro University, the Editors and the Advisory International Editorial Board make every effort to ensure that no wrong or misleading data, opinions or statements be published in the journal. In any way, the contents of the articles and advertisements published in the International Journal of Renewable Energy Development are sole and exclusive responsibility of their respective authors and advertisers.