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System and method for efficient computation of simulated thermodynamic property and phase equilibrium characteristics using comprehensive local property models
System and method for efficient computation of simulated thermodynamic property and phase equilibrium characteristics using comprehensive local property models
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机译:使用综合局部特性模型高效计算模拟热力学特性和相平衡特性的系统和方法
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摘要
A method of estimating a thermophysical property of a fluid using a local model is disclosed herein. The method includes generating, for use within the local model, a series expansion of thermodynamic equations relating to the thermophysical property and one or more derivatives involving the thermophysical property. The method further includes evaluating, based upon a set of specified values of parameters of the fluid, a first order term of the series expansion and a second order term of the series expansion. The values of the first order term and the second order term are then compared. A value of the thermophysical property is then automatically updated when the values of the first order term and the second order term are found to differ by more than a predefined amount.
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