HYGROTHERMAL FIELD CONSIDERING NONLINEAR COUPLING BETWEEN HEAT AND BINARY MOISTURE DIFFUSION IN POROUS MEDIA

Masayuki Ishihara; Yoshihiro Ootao; Yoshitaka Kameo

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HYGROTHERMAL FIELD CONSIDERING NONLINEAR COUPLING BETWEEN HEAT AND BINARY MOISTURE DIFFUSION IN POROUS MEDIA

机译：多孔介质中考虑热与二元水分扩散非线性耦合的热力学场

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摘要

The hygrothermal field in porous media exposed to heat and moisture considering nonlinear coupling was studied. Dissolved and gaseous phases with different diffusivities were used to model the moisture in solids and voids, respectively. Heat generated by the transformation of gaseous moisture into dissolved moisture was considered along with the transformation from dissolved moisture into gaseous moisture due to a change in temperature. The balance between dissolved and gaseous moistures is determined by the chemical equilibrium. A system of nonlinear coupling diffusion equations was derived, and a steady field for an infinite strip was demonstrated.

机译：研究了考虑非线性耦合的热湿条件下多孔介质的湿热场。具有不同扩散率的溶解相和气相分别用于模拟固体和空隙中的水分。考虑了由气态水分转变为溶解水分而产生的热量，以及由于温度变化而从溶解水分转变为气态水分的过程。溶解水分和气态水分之间的平衡取决于化学平衡。推导了非线性耦合扩散方程组，并证明了无限条带的稳态场。

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来源
《Journal of thermal stresses》 |2014年第12期|1173-1200|共28页
作者
Masayuki Ishihara; Yoshihiro Ootao; Yoshitaka Kameo;
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作者单位

Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai-shi, Osaka 599-8531, Japan;

Graduate School of Engineering, Osaka Prefecture University, Osaka, Japan;

Graduate School of Engineering, Osaka Prefecture University, Osaka, Japan;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Binary moisture; Diffusion equation; Hygrothermal field; Nonlinear coupling; Porous medium;

机译：二进制水分扩散方程湿热场非线性耦合;多孔介质;

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专利

1. One-dimensional transient hygrothermoelastic field in a porous strip considering nonlinear coupling between heat and binary moisture [J] . Masayuki ISHIHARA, Keita OGASAWARA, Yoshihiro OOTAO, Journal of Thermal Science and Technology . 2016,第3期

机译：考虑热量与二元水分的非线性耦合的多孔带中的一维瞬态湿热弹性场
2. ON SOME ASPECTS OF A NONLINEAR CONVECTION-DIFFUSION EQUATION ARISING IN HEAT-INDUCED MOISTURE TRANSPORT IN POROUS MEDIA [J] . W. FRYDRYCHOWICZ, A. P. S. SELVADURAI International Journal of Engineering Science . 1996,第4期

机译：多孔介质中热交换水分传输中非线性对流扩散方程的某些方面
3. Hygrothermoelasticity in a porous cylinder under nonlinear coupling between heat and moisture [J] . Ishihara Masayuki, Yoshida Taku, Ootao Yoshihiro, Structural Engineering and Mechanics . 2020,第1期

机译：在热和水分之间非线性耦合下的多孔圆筒中的湿热率
4. Nonlinear Coupling Between Heat and Moisture Diffusion in One-dimensional Porus Media in a Steady State [C] . M.Ishihara, Y.Ootao, Y.Kameo 10th International congress on thermal stresse . 2013

机译：一维多孔介质在稳态下热与水分扩散之间的非线性耦合
5. NMR oil well logging: Diffusional coupling and internal gradients in porous media. [D] . Anand, Vivek. 2007

机译：NMR油测井：多孔介质中的扩散耦合和内部梯度。
6. Magnetic Resonance Characterization of Porous Media Using Diffusion through Internal Magnetic Fields [O] . Hyung Joon Cho, Eric E. Sigmund, Yiqiao Song 2012

机译：利用内部磁场扩散对多孔介质的磁共振表征
7. Numerical Simulation of Heat and Moisture Coupling of Porous Fabrics [O] . Fengping Ren, Shan Cong 2017

机译：多孔织物热水耦合的数值模拟
8. Hygrothermal Effects in Continuous Fibre Reinforced Composites. Part I. Thermal and Moisture Diffusion in Composite Materials (Effets Hygrothermiques dans les Composites a Renfort de Fibre Continu. Partie I. Diffusion de L'Humidite et de la Chaleur dans les Materiaux Composites. [R] . Komorowski, J. P. 1983

机译：连续纤维增强复合材料的湿热效应。第一部分。复合材料中的热和水分扩散（Effets Hygrothermiques dans les Composites a Renfort de Fiber Continu.partie I. Diffusion de L'Humidite et de la Chaleur dans les materiaux Composites。

HYGROTHERMAL FIELD CONSIDERING NONLINEAR COUPLING BETWEEN HEAT AND BINARY MOISTURE DIFFUSION IN POROUS MEDIA

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