水平円管上流下液膜へのアンモニアガス吸入における熱および物質伝達

Translated title of the contribution: Heat and Mass Transfer of Ammonia Gas Absorption into Falling Liquid Film on a Horizontal Tube

井上 順広, 藪内 宏典, 五島 正雄, 小山 繁

    Research output: Contribution to journalArticle

    Abstract

    Heat and mass transfer coefficients during ammonia gas absorption into a falling liquid film formed by distilled water on a horizontal tube were obtained experimentally. The test absorber consists of 200 mm i.d., 600 mm long stainless steel shell, a 1 7.3 mm o.d., 14.9 mm i.d. stainless steel test tube with 600 mm working length mounted along the axis of shell, and a 12.7 mm o.d. pipe manifold of supplying the absorbent. In this paper, it was clear that heat and mass transfer coefficient could be enhanced by increasing the flow rate of absorbent and temperature difference between inlet absorbent and ammonia gas, also heat driven by the temperature difference have an effect on heat transfer of the fa1ling liquid film and mass transfer of vapor side. And the new correlation of heat transfer in dimensionless form was proposed by the temperature difference which was considered heat driven of vapor and liquid film side using a interface temperature of vapor and liquid phase. The new correlations of mass transfer on a interface of vapor and liquid phase in dimensionless form were proposed by using effect factors could be suppose from absorption phenomena.
    Translated title of the contributionHeat and Mass Transfer of Ammonia Gas Absorption into Falling Liquid Film on a Horizontal Tube
    Original languageJapanese
    Pages (from-to)299-308
    Number of pages10
    Journal日本冷凍空調学会論文集
    Volume21
    Issue number4
    DOIs
    Publication statusPublished - 2004

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