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research-article

Lateral edge effects on the Sherwood number in turbulent flow over a flat plate

[+] Author and Article Information
Matthew Taliaferro

Graduate Research Assistant, Turbulent Convection Heat Transfer Laboratory, Department of Mechanical Engineering, University of Minnesota, Minneapolis, Minnesota 55113
tali0009@umn.edu

Federico Fassio

Manager, Masdar (Abu Dhabi Future Energy Company)
fassio.federico@gmail.com

Fabio Gori

Professor, Laboratory of Thermo-fluid Dynamics, Department of Industrial Engineering, University of Rome "Tor Vergata", Rome, Italy
gori@uniroma2.it

Terrence Simon

Ernst G. Eckert Professor of Mechanical Engineering, Turbulent Convective Heat Transfer, Laboratory, Department of Mechanical Engineering, University of Minnesota, Minneapolis, Minnesota 55113
simon002@umn.edu

Richard Goldstein

Regents' and James J. Ryan Professor of Mechanical Engineering, Turbulent Convective Heat Transfer Laboratory, Department of Mechanical Engineering, University of Minnesota, Minneapolis, Minnesota 55113
rjgme@umn.edu

1Corresponding author.

ASME doi:10.1115/1.4037497 History: Received December 12, 2016; Revised May 16, 2017

Abstract

Experimental results for the Sherwood number variation near the lateral edge of the active surface of a smooth, finite-width flat plate in turbulent boundary layer flow are presented. Using naphthalene sublimation, local mass transfer rates are found for two different free stream velocities. A semi-empirical correlation of the experimental data is presented, allowing calculation of the increase of mass transfer near the edge and the size of the region affected by the lateral edge. The effect is shown to scale more so with the diffusion thickness and than the boundary layer thickness.

Copyright (c) 2017 by ASME
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