Theoretical analysis of horizontal condenser-evaporator conduits of various cross-sections

S. Sideman*, D. Moalem, R. Semiat

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


An analysis of simultaneous condensation inside and evaporation outside a horizontal conduit has been performed for various shapes of conduits. The study is aimed at improving the performance of horizontal evaporator-condenser water desalination units by establishing the most promising shape. Comparison of various shapes indicates that vertically oriented elongated elliptical conduits yield the highest overall heat transfer coefficients. The effects of intermittent removal of the condensate film by internal horizontal films decreases as the vertical to horizontal axis ratio increases. Effect of non-condensables are included in the analysis.

Original languageEnglish
Pages (from-to)167-192
Number of pages26
Issue number2
StatePublished - Oct 1975
Externally publishedYes


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