地壳中的二氧化碳和水。第一部分:流体的状态方程

IF 0.9 4区地球科学 Q4 MINERALOGY

Journal of Mineralogical and Petrological Sciences Pub Date : 2023-01-01 DOI:10.2465/jmps.221224a

Shumpei YOSHIMURA

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引用次数: 0

摘要

在大多数涉及流体-矿物-熔体相互作用的地质现象中，以h2o - co2为主的流体起着至关重要的作用。状态方程是理解这些现象的重要工具，因为它预测了流体的热力学性质。Duan和Zhang(2006)提出的修正的H2O-CO2混合流体Lee-Kesler状态方程是目前最精确的，适用于较宽的压力-温度范围(~ 2573 K和~ 10 GPa)。该方程精度高，适用范围广，可用于构造硅酸盐熔体中的溶解度规律。本文回顾了Duan and Zhang(2006)的状态方程，并给出了计算过程。由于原文中给出的部分逸度系数计算公式有误，本文给出了正确的计算公式。为了方便用户，提供了计算热力学性质的c语言代码和Windows可执行程序。讨论了H2O-CO2混合流体的非理想性质对某些地质情况的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Carbon dioxide and water in the crust. Part 1: equation of state for the fluid

H2O–CO2-dominated fluids play a crucial role in most geological phenomena involving fluid–mineral–melt interactions. The equation of state is an essential tool for understanding the phenomena because it predicts the thermodynamic properties of the fluids. The modified Lee–Kesler equation of state for H2O–CO2 mixture fluid developed by Duan and Zhang (2006) is the most accurate at present and is applicable to a wide pressure–temperature range (∼ 2573 K and ∼ 10 GPa). Because of its high accuracy and wide applicable range, the equation has been used for constructing solubility laws in silicate melts. In this paper I review the Duan and Zhang (2006) equation of state and present the calculation procedure. Because the equation for calculating the partial fugacity coefficient is erroneously presented in the original paper, the correct equation is provided here. A C-language code and a Windows executable program for computing thermodynamic properties are provided for the convenience of users. The influence of the nonideal behaviour of the H2O–CO2 mixture fluid on some geological situations is discussed.

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来源期刊

Journal of Mineralogical and Petrological Sciences 地学-矿物学

CiteScore

1.80

自引率

14.30%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Mineralogical and Petrological Sciences (JMPS) publishes original articles, reviews and letters in the fields of mineralogy, petrology, economic geology, geochemistry, planetary materials science, and related scientific fields. As an international journal, we aim to provide worldwide diffusion for the results of research in Japan, as well as to serve as a medium with high impact factor for the global scientific communication Given the remarkable rate at which publications have been expanding to include several fields, including planetary and earth sciences, materials science, and instrumental analysis technology, the journal aims to encourage and develop a variety of such new interdisciplinary scientific fields, to encourage the wide scope of such new fields to bloom in the future, and to contribute to the rapidly growing international scientific community. To cope with this emerging scientific environment, in April 2000 the journal''s two parent societies, MSJ* (The Mineralogical Society of Japan) and JAMPEG* (The Japanese Association of Mineralogists, Petrologists and Economic Geologists), combined their respective journals (the Mineralogical Journal and the Journal of Mineralogy, Petrology and Economic Geology). The result of this merger was the Journal of Mineralogical and Petrological Sciences, which has a greatly expanded and enriched scope compared to its predecessors.