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首页> 外文会议>Proceedings of building simulation'91 >WATER VAPOR ADSORPTION AND TRANSFERIN MICROPOROUS BUILDING MATERIALS.A NETWORK SIMULATION
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WATER VAPOR ADSORPTION AND TRANSFERIN MICROPOROUS BUILDING MATERIALS.A NETWORK SIMULATION

机译：水蒸气的吸收和转移微结构建筑材料的网络模拟

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摘要

In this paper, we develop a discrete approach torndescribe the transport of condensible vapors through arnmicroporous substance. We consider only isothermal waterrnmigration under uniform atmospheric air pressure, atrntemperature lower than 100℃ with negligible gravity. Thernpore-structure which is supposed to be representative of thernmaterial is built on a 2D random network of tubes. The basicrnphenomena (adsorption/desorption, diffusion, condensation)rnthat occur during the water vapor transport in a singlerncylindrical pore at the steady state are taken into account. Wernunderline that capillary condensation can be expected to causernvapor flow amplification of some few orders of magnitude.rnThis phenomenon provides us with a possible explanation ofrnsome experimental results.
机译：在本文中，我们开发了一种离散方法来描述可冷凝蒸气通过微孔物质的传输。我们仅考虑均匀大气压力下的等温水迁移，温度低于100℃且重力可忽略不计。可能代表材料的热孔结构建立在2D随机管网络上。考虑了在稳定状态下在单斜圆柱孔中水蒸气传输过程中发生的基本现象（吸附/解吸，扩散，冷凝）。 Wern强调指出，预计凝结会导致蒸汽流量放大几个数量级。这种现象为我们提供了一些实验结果的可能解释。

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