Thermophysical properties of seawater: a review of existing correlations and data
Thermophysical properties of seawater: a review of existing correlations and data
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DOI：
10.5004/dwt.2010.1079
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发表时间：
2010-04-01
影响因子：
1.1
通讯作者：
Zubair, Syed M.
中科院分区：
文献类型：
--
作者：
Sharqawy, Mostafa H.;Lienhard, John H., V;Zubair, Syed M.
对海水热物理性质的相关性和数据进行了综述。所考察的性质包括密度、比热容、热导率、动力粘度、表面张力、蒸汽压、沸点升高、汽化潜热、比焓、比熵和渗透系数。这些性质包括热法和膜法海水淡化工艺设计所需的性质。结果以回归方程的形式呈现，是温度和盐度的函数。总结了每种性质的现有相关性及其有效范围和准确性。在将温度和盐度标度适当转换为最新标准后，从现有的密度、动力粘度、表面张力、沸点升高、比焓、比熵和渗透系数数据中获得了最佳拟合的新相关性。此外，还提出了一个汽化潜热模型。对这些相关性进行了比较，并对每种性质提出了建议，特别是在热法和/或反渗透海水淡化应用中常见的温度和盐度范围内。
Correlations and data for the thermophysical properties of seawater are reviewed. Properties examined include density, specific heat capacity, thermal conductivity, dynamic viscosity, surface tension, vapor pressure, boiling point elevation, latent heat of vaporization, specific enthalpy, specific entropy and osmotic coefficient. These properties include those needed for design of thermal and membrane desalination processes. Results are presented in terms of regression equations as functions of temperature and salinity. The available correlations for each property are summarized with their range of validity and accuracy. Best-fitted new correlations are obtained from available data for density, dynamic viscosity, surface tension, boiling point elevation, specific enthalpy, specific entropy and osmotic coefficient after appropriate conversion of temperature and salinity scales to the most recent standards. In addition, a model for latent heat of vaporization is suggested. Comparisons are carried out among these correlations, and recommendations are provided for each property, particularly over the ranges of temperature and salinity common in thermal and/or reverse osmosis seawater desalination applications.