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首页> 外文期刊>Journal of Physical and Chemical Reference Data >Reference Correlations for Thermophysical Properties of Liquid Water at 0.1 MPa
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Reference Correlations for Thermophysical Properties of Liquid Water at 0.1 MPa

机译：0.1 MPa下液态水热物理性质的参考相关性

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摘要

Simple but highly accurate correlations have been developed for the thermodynamic properties (including density, heat capacity, and speed of sound), viscosity, thermal conductivity, and static dielectric constant of liquid water as a function of temperature at a pressure of 0.1 MPa. The calculations may be simply extended to a pressure range from the saturation pressure to 0.3 MPa. The temperature range covered in most cases is from 253.15 to 383.15 K; this includes some temperatures where liquid water is metastable. These correlations are designed to reproduce the best available data, which in most cases are described by formulations issued by the International Association for the Properties of Water and Steam (IAPWS). The equations presented here are simple enough to be used in applications such as spreadsheets. They provide a convenient alternative to the more complicated IAPWS formulations in cases where only liquid properties at near-atmospheric pressure are of interest without increasing the uncertainty beyond that of the more complex formulations.
机译：在0.1 MPa的压力下，液态水的热力学性质（包括密度，热容量和声速），粘度，导热系数和静态介电常数随温度的变化已开发出简单但高度准确的相关性。可以将计算简单地扩展到从饱和压力到0.3 MPa的压力范围。在大多数情况下，温度范围是253.15至383.15 K;这包括液态水处于亚稳态的某些温度。这些关联旨在重现最佳的可用数据，在大多数情况下，这些数据由国际水和蒸汽特性协会（IAPWS）发布的公式描述。此处提供的方程式非常简单，可以在电子表格等应用程序中使用。在仅关注接近大气压下的液体特性而不增加不确定性超过更复杂配方的情况下，它们为更复杂的IAPWS配方提供了一种方便的替代方法。

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