シリカゲル充てん層内における水蒸気吸着量の予測モデルに関する研究

DOI Web Site 参考文献11件
  • 濱本 芳徳
    東京農工大学大学院生物システム応用科学研究科生物システム応用科学専攻
  • 佐藤 博之
    東京農工大学大学院工学研究科機械システム工学専攻
  • SAHA Bidyut Baran
    東京農工大学大学院生物システム応用科学研究科生物システム応用科学専攻
  • 秋澤 淳
    東京農工大学大学院生物システム応用科学研究科生物システム応用科学専攻
  • 柏木 孝夫
    東京農工大学大学院生物システム応用科学研究科生物システム応用科学専攻

書誌事項

タイトル別名
  • Study on Prediction Models of Amount of Adsorbed Water in Silica Gel Packed Beds
  • シリカゲル ジュウテンソウ ナイ ニ オケル スイジョウキ キュウチャクリョウ ノ ヨソク モデル ニ カンスル ケンキュウ

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Numerical analyses were made on simultaneous heat and mass transfer in packed beds of silica gel A adsorbing steam, based on a physical model taking account of elemental processes which take place in the bed. Calculations of the amount of adsorbed water from the beginning of adsorption process were in good agreement with measurements. Differences of calculated amount of adsorbed water between the physical model and a simplified model were clarified. This simplified model neglects a resistance to mass transfer in the interstices of adsorbent particles, and it treats local pressure as a constant that is equal to vapour pressure on the bed. These differences inc1eased with bed thickness, because pressure drop through the bed inc1eased. It was found that this simplicity was appropriate for thin bed, below a bed thickness of 10 mm, because of the differences were less than amount of adsorbed water of 0.5%. Equation, which gave approximate value of local pressure, was proposed. It was based on the calculated data and depended on the bed thickness. It was confirmed that the application of this equation to the simplified model gave more correct calculations. This equation is useful in predicting amount of adsorbed water.

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