Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Practical Fin Shapes for Surface-Tension-Drained Condensation



Mark A. Kedzierski, R. L. Webb


This paper introduces a new family of high-performance fin profiles for surface-tension-drained condensation. Previously described profiles for this situation have been defined in terms of the fin curvature and arc length. The existing profiles are generally not suitable for commercial manufacture. The fin profiles presented in this paper are conveniently defined by the fin tip radius, the fin height, and the fin base thickness. Consequently, the designer may easily specify a fin shape with parameters that are compatible with those used by the manufacturing industry. The heat transfer performance of the new profiles provides an improvement over existing, commercial fin shapes. An analysis is presented to show the R-11 condensation performance of the new profiles as a funciton of the geometric variables. A recommended design practice for fins for surface-tension-drained condensation is given also.
Journal of Heat Transfer


condensation, fin shapes, fin profiles, profile definition, Adamek profiles, Gregorig profiles


Kedzierski, M. and Webb, R. (1990), Practical Fin Shapes for Surface-Tension-Drained Condensation, Journal of Heat Transfer, [online], (Accessed July 18, 2024)


If you have any questions about this publication or are having problems accessing it, please contact

Created May 1, 1990, Updated February 19, 2017