Nucleate Boiling Heat transfer From an Enhanced Horizontal Tube Using Different Working Liquids
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چکیده
منابع مشابه
Heat transfer in nucleate pool boiling of multicomponent mixtures
Steady state pool boiling heat transfer coefficients have been obtained experimentally for acetone–isopropanol–water and acetone–MEK (methyl ethyl ketone)–water ternary systems. The data show that, for a given heat flux, the heat transfer coefficients of mixtures are lower than those obtained for pure components constituting the mixture. The measured heat transfer coefficients were compared wit...
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Since the mean characteristic of nucleate boiling is bubble formation and collapse near the heating surface, in this study attempts have been made to investigate heat transfer effects due to the bubbles ebullition and collapse cycle. All possible heat transfer mechanisms are studied qualitatively and quantitatively. For quantitative calculation of the heat transfer portion by each of the introd...
متن کاملPool boiling heat transfer coefficient of pure liquids using dimensional analysis
The pool boiling heat transfer coefficient of pure liquids were experimentally measured on a horizontal bar heater at atmospheric pressure. These measurements were conducted for more than three hundred data in thermal currents up to 350 kW.m-2. Original correlations and the unique effect of these correlations on experimental data were discussed briefly. According to the analysis, a new empirica...
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ژورنال
عنوان ژورنال: AL-Rafdain Engineering Journal (AREJ)
سال: 2014
ISSN: 2220-1270
DOI: 10.33899/rengj.2014.101005