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ISSN Online: 2377-424X

ISBN Print: 0-89116-299-2

International Heat Transfer Conference 7
September, 6-10, 1982, Munich, Germany

FILM CONDENSATION ON A HORIZONTAL TUBE-EFFECT OF VAPOUR VELOCITY

Get access (open in a dialog) DOI: 10.1615/IHTC7.450
pages 101-106

摘要

Earlier theoretical studies have been examined and extensive new calculations have been made for vapour downflow over a single horizontal tube. Comparisons have been made of the present and earlier results with experimental data, including new measurements for steam an d R-113. Significant discrepancies are found at higher vapour velocities. A need for further accurate data is identified. The uniform surface heat flux condition has been found to be unsatisfactory as a basis for theoretical solution when vapour boundary-layer separation occurs.