THERMAL SCIENCE

International Scientific Journal

Volodymyr G. Rifert

,

Volodymyr V. Sereda

,

Peter O. Barabash

,

Vadim V. Gorin

CONDENSATION INSIDE SMOOTH HORIZONTAL TUBES: PART 2. IMPROVEMENT OF HEAT EXCHANGE PREDICTION

ABSTRACT
In this study, a theoretical model of film condensation inside horizontal tubes with more precise definition of friction coefficient on interphase is presented to calculate the heat transfer coefficient under two-phase annular and intermediate flow conditions. This more precise definition contains experimental substantiation of correction for calculation of pressure losses by friction and correction that takes into account surface suction on the interphase. Comparison of this model with the experimental data of various authors demonstrates that the results are in satisfactory and close agreement.
KEYWORDS
heat transfer, film condensation, smooth horizontal tube, inside
PAPER SUBMITTED: 2014-08-15
PAPER REVISED: 2016-01-31
PAPER ACCEPTED: 2016-03-02
PUBLISHED ONLINE: 2016-03-12
DOI REFERENCE: https://doi.org/10.2298/TSCI140815045R
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2017, VOLUME 21, ISSUE Issue 3, PAGES [1479 - 1489]
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Condensation inside smooth horizontal tubes: Part 2. Improvement of heat exchange prediction

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