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Measurement of Steam Film Condensation Coefficient in Laminar and Turbulent Flow | ||
| Misan Journal of Acodemic Studies | ||
| Article 1, Volume 7, Issue 14, 2009, Pages 35-39 | ||
| Author | ||
| Balasim Ahmed Abid | ||
| Abstract | ||
| Abstract: Steam and other vapour condensation processes occur widely in power stations, refineries, and in most chemical plants. Hence the importance of arriving at the actual values of the heat transfer coefficient in such equipment. Experimental work was carried out for the determination of film-wise condensation coefficients for steam in laminar and turbulent flow on tubes of various geometries similar to those found in actual heat exchangers. The results were correlated and comparison with the theoretical Nusselt type expressions was conducted. The result of comparison shows that the heat transfer coefficients are larger than those theoretically predicted. The reason for this is believed to be due to the effect of high vapour velocity. Local and average values of the coefficients are also discussed. The suggested correlation is: | ||
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