Heat transfer augmentation in a circular tube with winglet vortex generators Suriya Chokphoemphun, Monsak Pimsarn, Chinaruk Thianpong, Pong- jet Promvonge PII: S1004-9541(14)00326-7 DOI: doi: 10.1016/j.cjche.2014.04.002 Reference: CJCHE 185 To appear in: Received date: 13 December 2013 Revised date: 5 March 2014 Accepted date: 18 April 2014 Please cite this article as: Suriya Chokphoemphun, Monsak Pimsarn, Chinaruk Thian- pong, Pongjet Promvonge, Heat transfer augmentation in a circular tube with winglet vortex generators, (2014), doi: 10.1016/j.cjche.2014.04.002 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.