WRRCTR No.49 Thermal Properties of Sea Water

Date
1971-07
Authors
Chou, James C.S.
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Publisher
Water Resources Research Center, University of Hawaii at Manoa
Abstract
The interpolation formulae for vapor pressures, specific volumes, enthalpies and heats of vaporization of ordinary seawater have been determined in the temperature range 0° to 200°C for salinities of 0 to 120 pot, based on the published data. These formulae may facilitate calculations for designing desalting evaporators. The accuracies of vapor pressure data were found insufficient; however, the accurate measurements of vapor pressures by others are in progress. A close correlation was found between the compressibility of seawater and those of aqueous sodium chloride solution at low temperatures. Because the tack of experimental data on compressibility of seawater at elevated temperatures, compressibility of aqueous sodium chloride solution for pressures up to 350 atmospheres are used as approximations to those of seawater in order to account for the effect of pressure on other thermal properties.
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Citation
Chou JCS. 1971. Thermal properties of sea water. Honolulu (HI): Water Resources Research Center, University of Hawaii at Manoa. WRRC technical report, 49.
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