期刊
DESALINATION
卷 313, 期 -, 页码 97-104出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.desal.2012.12.010
关键词
Seawater; Pure water; Thermal conductivity; Experimental; Temperature; Salinity
资金
- King Fahd University of Petroleum and Minerals [JFP101005]
The thermal conductivity of natural seawater is measured at atmospheric pressure, temperature range of 10-90 degrees C, and salinity range of 0-120 g/kg. Samples of natural seawater is collected from the Arabian Gulf and prepared for different salinities by evaporation and dilution techniques. The experimental apparatus used in the measurements is a modified comparative radial-heat-flow concentric-cylinder apparatus that uses a steady state measurement technique. The method gives the ratio of the thermal conductivity of pure water to that of seawater. A simple correlation for the pure water thermal conductivity is developed based on the model provided by The International Association for the Properties of Water and Steam (IAPWS 2011) and has a maximum deviation of 0.05%. A simple model for the thermal conductivity ratio of pure water to seawater is developed and compared with the measured data, data in the literature, and a recent theoretical model for mixed-solvent electrolyte solutions. The maximum deviation between the present model prediction and the measurement is +/- 1% while the maximum deviation from the recent theoretical model is found to be 0.5%. (C) 2012 Elsevier B.V. All rights reserved.
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