INPWS-IF 97 SUPPLEMENTARY MODEL AND ITS APPLICATION FOR CALCULATION METHOD OF WATER AND STEAM PROPERTIES

WU Yan-ling; ZHONG Wei; TONG Shui-guang; ZHOU Hong-bo Zhejiang University

doi:10.19666/j.rlfd.2008.03.008

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INPWS-IF 97 SUPPLEMENTARY MODEL AND ITS APPLICATION FOR CALCULATION METHOD OF WATER AND STEAM PROPERTIES

更新时间：2025-09-28

- INPWS-IF 97 SUPPLEMENTARY MODEL AND ITS APPLICATION FOR CALCULATION METHOD OF WATER AND STEAM PROPERTIES
- Thermal Power Generation Issue 3, Pages: 30-34(2008)
- 作者机构：
  
  浙江大学
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2008.03.008
  CLC： TK211
- Published：2008
- 稿件说明：
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WU Yan-ling, ZHONG Wei, TONG Shui-guang, et al. INPWS-IF 97 SUPPLEMENTARY MODEL AND ITS APPLICATION FOR CALCULATION METHOD OF WATER AND STEAM PROPERTIES[J]. Thermal power generation, 2008, (3): 30-34.
DOI：

WU Yan-ling, ZHONG Wei, TONG Shui-guang, et al. INPWS-IF 97 SUPPLEMENTARY MODEL AND ITS APPLICATION FOR CALCULATION METHOD OF WATER AND STEAM PROPERTIES[J]. Thermal power generation, 2008, (3): 30-34. DOI： 10.19666/j.rlfd.2008.03.008.

摘要

临界区和超临界区水和水蒸气学性质的计算越来越受到重视。介绍了IAPWS-IF97补充模型的分区、模型及方程

重点讨论了IAPWS-IF97在区域3(包括临界区与超临界区)的最新补充模型v(p

T)。由这个补充模型与基本方程结合

可以快速、准确地计算水和水蒸气的各种导出性质。比较补充模型公式计算与采用牛顿迭代法计算的结果表明

IAPWS-IF97补充模型公式计算方法在精度和速度上具有显著的优越性。

Abstract

The importance of calculating water and steam properties in critical and supercritical regions has been increasingly emphasized. The division

model

and equation of IAPWS-IF97 supplementary model has been presented

the newest supplementary model v(P.T) of IAPWS-IF 97 in region no.3 (including the critical and supercritical regions) being emphatically discussed. Combining this supplementary model with basic equations

various derived properties of water and steam can be rapidly and accurately calculated. Comparing the calculation using said supplementary model with the caculated result by using Newtonian iterative method

it is clear that the calculation method by using the formula of IAPWS-IF 97 supplementary model has remarkable superiority in precision and velocity.

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