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首页> 外文期刊>International Journal of Heat and Mass Transfer >Investigation of the 3D model of coupled heat and liquid moisture transfer in hygroscopic porous fibrous media
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Investigation of the 3D model of coupled heat and liquid moisture transfer in hygroscopic porous fibrous media

机译：吸湿性多孔纤维介质中传热与水分耦合的3D模型研究

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This paper focuses on the investigation of the 3D mathematical model to simulate the coupled heat and liquid moisture transfer in hygroscopic porous fibrous media. The flow of the liquid moisture, the water vapor sorption/desorption by fibers and the diffusion of the water vapor are taken into account in this 3D model. Prediction-corrector method is used to solve the 3D governing equations. A series of computational results of the coupled heat and moisture transfer are obtained with the specific initial conditions and boundary conditions. The distribution of the water vapor concentration in the void spaces, the volume fraction of the liquid water in the void spaces, the distribution of the water content in fibers and the changes of the temperature in porous fibrous media are computed. It is shown that the effects of the gravity and capillary actions are significant in hygroscopic porous fibrous media. The comparison with the experimental measurements shows the reasonable agreement between the two. The results illustrate that the 3D model of the coupled heat and liquid moisture transfer in hygroscopic porous fibrous media is satisfactory.
机译：本文着重研究3D数学模型，以模拟吸湿多孔纤维介质中热与液体水分的耦合传递。在此3D模型中考虑了液体湿气的流动，纤维对水蒸气的吸附/解吸以及水蒸气的扩散。预测校正器方法用于求解3D控制方程。在特定的初始条件和边界条件下，获得了传热和水分耦合的一系列计算结果。计算空隙空间中水蒸气浓度的分布，空隙空间中液态水的体积分数，纤维中水含量的分布以及多孔纤维介质中温度的变化。结果表明，重力和毛细作用在吸湿性多孔纤维介质中很明显。与实验测量结果的比较表明两者之间的合理一致性。结果表明，在吸湿性多孔纤维介质中耦合的热量和液体水分传递的3D模型是令人满意的。

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