iapws java_SEUIF97: IAPWS-IF97 High-speed Shared Library

最新推荐文章于 2025-05-15 09:07:09 发布

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最新推荐文章于 2025-05-15 09:07:09 发布

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SEUIF97是IAPWS-IF97的高性能共享库，适用于计算密集型应用，如热循环计算、非稳态过程模拟、实时过程监控和优化。它提供了比重复平方法快3倍的整数幂计算速度，比C标准库的math.pow()快10倍。该库支持多种编程语言的API，包括Python、C/C++、Excel VBA等。

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SEUIF97

SEUIF97 is the high-speed shared library of IAPWS-IF97. It is suitable for computation-intensive calculations，such as heat cycle calculations, simulations of non-stationary processes, real-time process monitoring and optimizations.

Through the high-speed library, the results of the IAPWS-IF97 are accurately produced at about 3x speed-up compared to the repeated squaring method for fast computation of integer powers, 10x speed-up compared to the math.pow() of the C standard library.

The shared libraries for Windows and Linux(X86/X64):

Windows32/64: libseuif97.dll; Linux64: libseuif97.so

The binding APIs for the programming languages:

Python, C/C++, Excel VBA, MATLAB, Fortran, Java, C#, Modelica, Rust, Pascal

Publications:

王培红,贾俊颖,程懋华. 水和水蒸汽热力性质IAPWS-IF97公式的通用计算模型[J]. 动力工程,2001,21(6)：1564-1567 [ pdf ]

芮嘉敏,孙振业,程懋华. 基于最短加法链状态空间树的IAPWS-IF97快速计算方法[J]. 汽轮机技术,2017,59(4):245-247 [ pdf ]

Functions of the SEUIF97 Shared Library

Functions of water and steam properties, exergy analysis and the thermodynamic process of steam turbine are provided in SEUIF97

Functions of Water and Steam Properties

Using SEUIF97, you can set the state of steam using various pairs of know properties to get any output properties you wish to know, including in the 30 properties in libseuif97.

The following input pairs are implemented:

(p,t) (p,h) (p,s) (p,v) (p,x)

(t,h) (t,s) (t,v) (t,x)

(h,s)

Functions of Thermodynamic Process of Steam Turbine

1 Isentropic Enthalpy Drop：ishd(pi,ti,pe)

pi - double, inlet pressure(MPa); ti - double, inlet temperature(°C)

pe - double, outlet pressure(MPa)

2 Isentropic Efficiency(0~100)： ief(pi,ti,pe,te)

pi - double, inlet pressure(MPa); ti - double, inlet temperature(°C)

pe - double, outlet pressure(MPa); te - double, outlet temperature(°C)

Install SEUIF97 Library Manually