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| Numerical simulation and improvement research of evaporation in
90° cross angel of corrugated passages |
| ZHANG Tian-Zhu, SU Wei |
| College of Water Conservancy and Civil Engineering, China Agricultural University, Beijing 100083, China |
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Abstract Numerical simulation of mass transfer process of evaporative cooling by utilizing CFX was investigated. Calculation and analysis took flow-route with 90° cross angle as model and calculation adopted Shear Stress Transport (SST) turbulence model to seek solution of 3D Navier-Stokes equation. Through simulation, interior humidity distribution in cross-corrugated passages and its characteristics were described. Finally, 3D humidity field structure of cross-corrugated passages was gained and optimization suggestion was raised for this type of flow-route.
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Published: 28 May 2006
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交错波纹通道内蒸发传质过程模拟及优化方案
采用流体分析软件CFX对蒸发降温湿帘的交错波纹通道进行了传质的数值模拟，计算分析以90°波纹交角的流道为模型，计算采用SST（shear stress transport）湍流模型求解三维Navier-Stokes方程。通过数值模拟完成了对通道内湿度分布状态的揭示，得到了交错波纹通道的三维湿度场结构，并在技术上为该类型流道的优化提出建议。
关键词：
交错波纹通道,
蒸发降温,
数值模拟,
CFX
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