TECHNICAL PAPERS: Boiling and Condensation

The Use of an Organic Self-Assembled Monolayer Coating to Promote Dropwise Condensation of Steam on Horizontal Tubes

[+] Author and Article Information
A. K. Das, H. P. Kilty, P. J. Marto

Department of Mechanical Engineering, Naval Postgraduate School, Monterey, CA 93943-5100

G. B. Andeen

SRI International, Menlo Park, PA 94025

A. Kumar

Optigon Technology, Milpitas, CA 95035

J. Heat Transfer 122(2), 278-286 (Dec 23, 1999) (9 pages) doi:10.1115/1.521465 History: Received April 03, 1997; Revised December 23, 1999
Copyright © 2000 by ASME
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Grahic Jump Location
Sketch of a condensate drop on a flat surface, and definition of contact angle
Grahic Jump Location
Schematic of the experimental setup
Grahic Jump Location
Schematic of the test section
Grahic Jump Location
Overall heat transfer coefficient (Uo) versus coolant velocity during dropwise condensation (DWC) of steam on coated tubes
Grahic Jump Location
Heat transfer coefficient versus vapor to tubewall temperature difference during dropwise condensation (DWC) of steam on coated tubes
Grahic Jump Location
Photograph of dropwise condensation on self-assembled monolayer (SAM) coated copper tube under atmospheric condition. Captured from condensation video.




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