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Comparative performance evaluation of fertiliser solar pond under simulated conditions

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  • Murthy, G.R.Ramakrishna
  • Pandey, K.P

Abstract

An experimental test rig for solar pond simulation was developed to study the chosen fertiliser salt, Muriate of Potash (MOP) for use in a solar pond under simulated conditions with provisions to vary the heating input and maintain a particular lower convective zone temperature. The performance, in terms of temperature and density profiles, was studied for MOP and was compared with that of sodium chloride and saltless solar ponds for different heating regimes and lower convective zone temperatures. The formation of three zones viz., upper convective zone, nonconvective zone, and lower convective zone was distinct at all heating combinations for both MOP and sodium chloride salts under simulated conditions. The temperature and density gradients were not affected significantly by intermittent no-heating spells of the solar ponds. Maintaining lower convective zone temperature of 70 °C and above led to the initiation of minor internal convective zone under simulated conditions. The temperature decay of lower convective zone (LCZ) was at lesser rate for different LCZ temperatures associated with both the heating regimes, for a MOP pond over a 24 h period of cessation of heating as compared to sodium chloride and saltless ponds.

Suggested Citation

  • Murthy, G.R.Ramakrishna & Pandey, K.P, 2003. "Comparative performance evaluation of fertiliser solar pond under simulated conditions," Renewable Energy, Elsevier, vol. 28(3), pages 455-466.
    • Handle: RePEc:eee:renene:v:28:y:2003:i:3:p:455-466
    DOI: 10.1016/S0960-1481(02)00046-0
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    References listed on IDEAS

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    1. Subhakar, D. & Srinivasa Murthy, S., 1991. "Experiments on a magnesium chloride saturated solar pond," Renewable Energy, Elsevier, vol. 1(5), pages 655-660.
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    1. Bozkurt, Ismail & Deniz, Sibel & Karakilcik, Mehmet & Dincer, Ibrahim, 2015. "Performance assessment of a magnesium chloride saturated solar pond," Renewable Energy, Elsevier, vol. 78(C), pages 35-41.
    2. Bezir, Nalan Ç. & Dönmez, Orhan & Kayali, Refik & Özek, Nuri, 2008. "Numerical and experimental analysis of a salt gradient solar pond performance with or without reflective covered surface," Applied Energy, Elsevier, vol. 85(11), pages 1102-1112, November.
    3. Kurt, Hüseyin & Ozkaymak, Mehmet & Binark, A. Korhan, 2006. "Experimental and numerical analysis of sodium-carbonate salt gradient solar-pond performance under simulated solar-radiation," Applied Energy, Elsevier, vol. 83(4), pages 324-342, April.

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