超临界水热物性的快速计算方法

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Fast Calculations of Supercritical Water Thermophysical Properties

1. School of Nuclear Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China;
2. Department of Mechanical Engineering, University of Ottawa, Ottawa, Canada

摘要: 本文提出了一种快速而精确的查询表插值和公式计算相结合的超临界水热物性的计算方法,并编制了一个通用程序包,在确保精度的情况下,大大提高了物性计算的效率,能广泛应用于超临界水堆的安全分析程序中。
- 超临界水 /
- 热物性 /
- 安全分析
Abstract: A new method that combines look-up table（LUT） and IAPWS-IF97 formulation is presented for fast calculation of supercritical water thermophysical properties.The pressure and temperature ranges are critical pressure-100 MPa,10~800 ℃,respectively.The comparison shows that the developed method can be used in the above stated range for direct industrial computation.The computation efficiency shows that the method can shorten the computing time greatly.A universal program for computation of supercritical water has been developed using the developed method.
- Supercritical water /
- Thermophysical properties /
- Safety analysis