低圧多湿蒸気によるスギ材の人工乾燥

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低圧多湿蒸気を用いてスギ材の人工乾燥を行い, 低圧多湿蒸気処理の有無および桟積み配置が仕上がり含水率および幅反りにおよぼす影響を調べた。その結果, 低圧多湿蒸気による乾燥は幅反りをある程度抑制すること, 蒸気が直接あたる位置に桟積みした試験体の幅反りの抑制効果が間接にあたる場所のそれより大きいこと, 初期含水率の高低により低圧多湿蒸気の噴霧磁気を調節することで幅反りを抑制できることがわかった。Kiln drying of sugi(Cruptomeria japonica D.Dod） were done with steam of low-pressure and high-humidity. The influence which the existence of the treatment of the steam of low-pressure and high-humidity exerted on the finishing moisture content and on the degree of the cup, the influence which a position of piling exerted on those were examined.Result obtained were as follows:1) The cup was controlled to a certain entent by the use of the steam of low-pressure and highhumidity for the drying of sugi.2) The repression effect to the cup of the specimen put on the position where steam hit iｔ directly was bigger than that hit it indirectly.3) It was found out that the cup could be controlled by adjusting the spraying time of steam of low-pressure and high-humidity corresponding to the height of initial moisture content of lumber.
三重大学生物資源学部附属演習林の論文
2002-03-01

低圧多湿蒸気によるスギ材の人工乾燥

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