Vapor absorption by LiBr aqueous solution in vertical smooth tubes

Hiroshi Takamatsu, Hikaru Yamashiro, Nobuo Takata, Hiroshi Honda

研究成果: Contribution to journalArticle査読

19 被引用数 (Scopus)


Heat and mass transfer in a falling film vertical in-tube absorber was studied experimentally with LiBr aqueous solution. The presented results include the effect of solution flow rate, solution subcooling and cooling water temperature on the absorption in a smooth copper tube 16.05 mm I.D. and 400 mm long. The experimental data in the previous report for a 1200-mm-long tube was also re-examined and compared. It was demonstrated by the observation of the flow in the tube that the break down of the liquid film into rivulets leads to deterioration of heat and mass transfer at lower film Reynolds number or in longer tubes. An attempt to evaluate physically acceptable heat and mass transfer coefficients that are defined with estimated temperature and concentration at the vapor-liquid interface was also presented.

ジャーナルInternational Journal of Refrigeration
出版ステータス出版済み - 9 2003

All Science Journal Classification (ASJC) codes

  • 建築および建設
  • 機械工学


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