Film condensation in inclined tubes with noncondensable gases: An experimental study on the local heat transfer coefficient

Condensation heat transfer in smooth inclined tubes for R134a at different saturation temperatures

“…More recently, Caruso et al [17][18] investigated film condensation of steam in the presence of non-condensable gases in different sized tubes at different inclination angles, gas concentrations and flow rates. It was found that the non-condensable gas concentration and flow rates had a significant influence on the heat transfer coefficient, but that the inclination effect could not be quantified fully.…”

Experimental investigation on steam flow condensation in the presence of noncondensable gas inside horizontal multi-head spiral channels

“…Some correlations have been set up to predict the heat transfer coefficients in the presence of NC gas for the purpose of application to actual engineering problems. In this section, Caruso's correlation [15] is adopted to compared with the experimental data in the horizontal circular channels. Fig.…”

“…Caruso et al [14] performed a study on the average heat transfer coefficient for pure steam condensation and condensation with air inside horizontal and inclined tubes at atmospheric pressure and in a wide range of NC gases concentrations. Caruso et al [15] conducted experiments where steam/air mixtures condensed inside near horizontal tubes with external air cooling. The influences of the air mass fraction, the inlet flow rate and the tube diameter were analyzed.…”

An Experimental Study on the Air-Side Heat Transfer Coefficient and the Thermal Contact Conductance in Finned Tubes

“…The ITASCO (In-Tube Air-Steam mixture COndensation) experimental facility has been designed primarily to evaluate heat transfer phenomena during condensation inside tubes in the presence of noncondensable gases [12,13]. The tube is externally cooled by air in forced convection.…”