The influence of surface structure and thermal conductivity of the tube on the condensation heat transfer of R134a and R404A over single horizontal enhanced tubes
Sign Up to like & getrecommendations! Published in 2017 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2017.06.133
Abstract: Abstract The influences of tube’s surface structure and thermal conductivity on the filmwise condensation of R134a and R404A are investigated on four single horizontal enhanced tubes with 2D and 3D finned structures. The test tubes… read more here.
Keywords: thermal conductivity; condensation; heat transfer; condensation heat ... See more keywords
Boiling and condensation heat transfer of inclined two-phase closed thermosyphon with various filling ratios
Sign Up to like & getrecommendations! Published in 2018 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2018.09.037
Abstract: Abstract The effect of the filling ratio and inclination angle on boiling and condensation heat transfer of the two-phase closed thermosyphon (TPCT) was experimentally investigated using water as a working fluid. The TPCT has the… read more here.
Keywords: two phase; phase closed; heat transfer; heat ... See more keywords
Flow condensation heat transfer characteristics of R134a in multiport mini-channel by jet impingement cooling
Sign Up to like & getrecommendations! Published in 2019 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2018.10.111
Abstract: Abstract The flow condensation heat transfer of refrigerant R134a inside a multiport mini-channel having a hydraulic diameter of 0.63 mm is experimentally investigated in the present study by jet impingement cooling. Experiments were performed under the… read more here.
Keywords: flow condensation; heat; mini channel; heat transfer ... See more keywords
An experimental study on condensation heat transfer characteristics of R-600a in tubes with coiled wire inserts
Sign Up to like & getrecommendations! Published in 2019 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2019.113889
Abstract: Abstract In this experimental research, condensation heat transfer enhancement of R-600a as a consequence of used spring inserts inside a horizontal condenser is studied. The condenser was a copper tube with the internal diameter, wall… read more here.
Keywords: condensation heat; coiled wire; heat; heat transfer ... See more keywords
Condensation heat transfer characteristics of flue gas on anti-corrosive coated finned tubes
Sign Up to like & getrecommendations! Published in 2021 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2021.116672
Abstract: Abstract It is still high on the agenda for the highly-effective utilization of exhaust flue gas in the condensing-type heat exchangers employing with anti-corrosive surface modification. In this paper, we carried out the wettability and… read more here.
Keywords: condensation heat; flue gas; transfer; heat ... See more keywords
An experimental investigation on the evaporation and condensation heat transfer of two-phase closed thermosyphons
Sign Up to like & getrecommendations! Published in 2017 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2017.05.019
Abstract: Abstract Two-phase closed thermosyphons (TPCTs) are excellent thermal transfer devices that their integration into heat exchangers has been shown a strong potential for energy savings. The scope of this study is an experimental evaluation of… read more here.
Keywords: evaporation; heat transfer; transfer; heat ... See more keywords
Condensation on hybrid-patterned copper tubes (I): Characterization of condensation heat transfer
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2017.05.039
Abstract: Abstract Condensation heat transfer performance can be improved by increasing the condensate removal rate. Commonly, this can be achieved by promoting dropwise condensation mode in which super/hydrophobic coatings applied on the entire condenser surface. Herein,… read more here.
Keywords: surface; condensation; heat transfer; heat ... See more keywords
Experimental study of condensation heat transfer on hydrophobic vertical tube
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2017.12.019
Abstract: Abstract Condensation heat transfer on surfaces can be enhanced by altering the surface topography. Surface modification technology can promote dropwise condensation which can exhibit higher heat transfer rate than filmwise condensation. This paper presents experimental… read more here.
Keywords: surface; condensation; heat transfer; transfer ... See more keywords
Modeling and Optimization of Condensation Heat Transfer at Biphilic Interface
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DOI: 10.1016/j.ijheatmasstransfer.2018.01.108
Abstract: Abstract Biphilic surfaces with heterogeneous wettability and hierarchical topography can significantly enhance the condensation heat transfer performance due to the mutual benefits of the hydrophilic patterns and global superhydrophobicity, which facilitate fast nucleation and frequent… read more here.
Keywords: droplet; condensation; heat transfer; heat ... See more keywords
Condensation heat transfer characteristics of low-GWP refrigerants in a smooth horizontal mini tube
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2018.05.034
Abstract: Abstract In this paper, a comprehensive study on heat transfer coefficient (HTC) and pressure drop of the two-phase condensation for R1234ze(E), R290, R161 and R41 were obtained in a smooth horizontal tube with 2 mm inner… read more here.
Keywords: smooth horizontal; heat transfer; transfer; heat ... See more keywords
Condensation heat transfer and pressure drop of refrigerants HFO-1234yf and HFC-134a in small circular tube
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2018.07.093
Abstract: Abstract HFO-1234yf has similar thermodynamic properties to HFC-134a but much lower GWP value. It is expected as a good candidate to replace the refrigerant HFC-134a in the near future. However, only very few papers have… read more here.
Keywords: hfc 134a; heat transfer; transfer; heat ... See more keywords