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Hygrothermal Simulation of Wood Exposed To the Effect of External Climate

机译:暴露于外部气候效果的木材湿热模拟

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The article is focused on simulation of moisture transfer in wood of norway spruce (Picea abies L.). Experimental specimen was exposed to the northern climatic conditions in Lund University, Sweden. The moisture content of wood was measured 10 mm from the surface for nearly three years. The ABAQUS program was used for numerical modelling of moisture transfer simulation in 3D. The surface sorption of wood was simulated using user defined subroutine DFLUX developed by VTT Research Centre of Finland Ltd. for the needs of European Project Durable Timber Bridges. Climate data for the analysis was used from in-situ measurement nearby realized by weather station. The temperature, relative humidity of the air and precipitation data was record each hour. Numerical analysis took into account influence of rain effect on different parts of specimen surface.
机译:本文专注于挪威云杉木材的水分转移模拟(Picea Anmies L.)。 实验标本暴露于瑞典隆德大学的北极气候条件。 从表面10mm测量木材的水分含量近三年。 ABAQUS程序用于3D中湿度转移模拟的数值建模。 使用芬兰有限公司VTT研究中心开发的用户定义的子程序DFLUX模拟了木材的表面吸附,以满足欧洲项目耐用木材桥梁的需求。 分析的气候数据是在天气站实现的原位测量中使用。 每小时记录空气和降水数据的温度,相对湿度。 数值分析考虑了雨水影响对样本表面不同部分的影响。

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