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|Title:||Experimental study on the influence of SO₂ gas injection to pure liquids on pool boiling heat transfer coefficients|
|Other Titles:||Experimental study on the influence of SO(2) gas injection to pure liquids on pool boiling heat transfer coefficients|
|Citation:||Heat and Mass Transfer, 2014; 50(6):747-757|
|M.M. Sarafraz, F. Hormozi, S.M. Peyghambarzadeh, E. Salari|
|Abstract:||SO₂ gas is injected into the different pure liquids using new innovative method via meshed tubes. Many experiments have been performed to investigate the influence of gas injection process on the pool boiling heat transfer coefficient of pure liquids around the horizontal cylinder at different heat fluxes up to 114 kW m⁻². Results demonstrate that presence of SO₂ gas into the vapor inside the bubbles creates a mass transfer driving force between the vapor phase inside the formed bubbles and liquid phase and also between the gas/liquid interfaces. Local turbulences and agitations due to the gas injection process around the nucleation sites leads the pool boiling heat transfer coefficient to be dramatically enhanced. Besides, some of earlier well-known correlations were unable to obtain the reasonable values for the pool boiling heat transfer coefficients in this particular case. Therefore, the most accurate correlation among the examined correlations was modified to estimate the pool boiling heat transfer coefficient of pure liquids. Experimental data were in a good agreement with those of obtained by the new modified correlation with absolute average deviation of 10 %.|
|Rights:||© Springer-Verlag Berlin Heidelberg 2013|
|Appears in Collections:||Mechanical Engineering publications|
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