Experimental investigation of dropwise condensation on hydrophobic heat exchangers. Part II: Effect of coatings and surface geometry

Desalination

Volumn 280, Issue 1-3, 2011, Pages 363-369

  Lara, Jorge R ^a   Holtzapple, Mark T ^a  

^a Department of Electrical and Computer Engineering   (United States)

Author keywords

Dropwise condensation; Electroless Ni P PTFE; Hydrophobic heat exchangers; Vapor compression desalination; Vertical grooved heat exchanger sheets

Indexed keywords

CHEMICAL COMPOSITIONS; COATING THICKNESS; COPPER PLATE; DROPWISE CONDENSATION; ELECTROLESS; EXPERIMENTAL INVESTIGATIONS; FLOW RATIOS; HYDROPHOBIC COATINGS; LEAD-FREE; OVERALL HEAT TRANSFER COEFFICIENT; SATURATED LIQUID; SATURATED STEAM; SURFACE GEOMETRIES; TITANIUM PLATE; TWO PLATES; VERTICAL GROOVES; VERTICAL-GROOVED HEAT EXCHANGER SHEETS;

BOILING LIQUIDS; COATINGS; CONDENSATION; COPPER; DESALINATION; HEAT TRANSFER COEFFICIENTS; HYDROPHOBICITY; PLATES (STRUCTURAL COMPONENTS); SHEARING; STEAM; THICKNESS MEASUREMENT; TITANIUM; WATER FILTRATION;

HEAT EXCHANGERS;

CHEMICAL COMPOSITION; COATING; CONDENSATION; DESALINATION; EXPERIMENTAL STUDY; HEAT TRANSFER; POLYMER;

EID: 80053315666     PISSN: 00119164     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.desal.2011.07.017     Document Type: Article

References (21)

1. Lara J.R., Holtzapple M.T. Experimental Investigation of Dropwise Condensation on Hydrophobic Heat Exchangers Part I: Dimpled Sheets. Desalination 2011, 278:165-172.
2. Titanium Metals Corporation, Titanium, Products and Applications November 2004. http://www.timet.com/fab-p09.htm.
3. Izumi M., Kumagai S., Shimada R., Yamakawa N. Heat transfer enhancement of dropwise condensation on a vertical surface with round shaped grooves. Experimental Thermal and Fluid Science 2004, 28:243-248.
4. Leipertz A., Froba A.P. Improvement of condensation heat transfer by surface modifications. Heat Transfer Engineering 2008, 29:343-356.
5. Wang Y.-X., Plawsky J.L., Wayner P.C. Optical measurement of micro scale transport processes in dropwise condensation. Microscale Thermo physical Engineering 2001, 5:55-69.
6. Yamali C., Merte H. Influence of sweeping on dropwise condensation with varying body force and surface sub cooling. Int. J. Heat Mass Transfer 1999, 42:2943-2953.
7. Lexmond A.S., van der Geld C.W.M. The effect of fluid flow on the detachment of drops in the wake of a flat plate. Experimental Thermal and Fluid Science 2005, 29:363-370.
8. Lexmond A.S., van der Geld C.W.M. The effect of plate thickness, surface tension and fluid flow on detachment of drops from plate. Experimental Thermal and Fluid Science 2005, 29:813-819.
9. Zhao Q., Liu Y. Investigation of graded Ni-Cu-P-PTFE composite coatings with antiscaling properties. Applied Surface Science 2004, 229:56-62.
10. 4 scale formation. Desalination 2005, 180:133-138.
11. Zhao Q., Muller H. Graded Ni-P-PTFE coatings and their potential applications. Surface and Coatings Technology 2002, 155:279-284.
12. Berndt V., Zunft S., Muller- Steinhagen Theoretical and experimental study on dropwise condensation in plate heat exchangers. 5th European Thermal-Sciences Conference, The Netherlands 2008.
13. Zhao Q., Liu Y. Development and evaluation of Ni-Cu-P-PTFE composite coatings to minimize microbial adhesion, ECI Symposium Series, Volume RP2. Proceedings of 6th International Conference on Heat Exchanger Fouling and Cleaning, Germany, June 2005, 5-10.
14. Muller H. Smart Surfaces for Improved Heat Exchangers https://www.htri.net/Public/prodsvcs/HMS_Victoria2.pdf.
15. Ramalhoa A., Miranda J.C. Friction and wear of electroless Ni-P- PTFE coatings. Wear 2005, 259:828-834.
16. Balasubramanian S., Puri V.M. Thermal energy savings in pilot-scale plate heat exchanger system during product processing using modified surfaces. Journal of Food Engineering 2009, 91:608-611.
17. Zhao Q., Liu Y., Abel E.W. Effect of Cu content in electroless Ni-Cu-P-PTFE composite coatings on their anti-corrosion properties. Materials Chemistry and Physics 2004, 87:332-335.
18. Zhang Y.Z., Wu Y.Y., Sun K.N., Yao M. Characterization of electroless Ni-P-PTFE composite deposits. Journal of Materials Science Letters 1998, 17:119-122.
19. Maryland Metrics, March 2011. http://mdmetric.com/tech/tiG2cp.htm.
20. Dolloff J.B., Metzger N.H., Roblee L.H.S. Dropwise condensation of steam at elevated pressures. Chem. Eng. Sci. 1969, 24:571-583.
21. TechMetals Inc, March 2011. http://www.techmetals.com/EngineeredFinishes/TM117p.pdf.