D232 高温高湿度気流中での糖・塩水溶液を含む多孔材料の乾燥特性(OS-18 多孔質の新しい展開III)

概要

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The effects of porous material's pore diameter and wet-bulb temperature of drying media on solute distribution contained in the material after drying were investigated experimentally. Glass beads (mean diameters of 110, 400 and 800μ m) packed beds which contained pure water; sucrose; NaCl; mixed(sucrose and NaCl) aqueous solution were used as porous sample material. From these results, the smaller pore diameters and the lower wet-bulb temperature caused the sucrose contained near the surface to increase. The sucrose distribution in the material was effected, but almost all of amount of NaCl remained at the surface of the material in every experimental condition excluding the mixed solution. In case of the mixed solution, the amount of sucrose contained near the surface after drying was increased by higher NaCl concentration.
社団法人日本機械学会の論文
2005-11-02