Analysis of Vortex-Induced Vibration and Heat Transfer of an Elastic Cylinder at Low Reynolds Numbers

Abstract:

The vortex-induced vibration and heat transfer of circular cylinders at low Reynolds number (Re=50~180) was numerical analyzed. The cylinder motion was modeled by a mass-spring-damper system, and the motion equation of the cylinder was solved by Newmark-β method, and then the cylinder velocity was written into the UDF of Fluent, finally, the dynamic mesh technique was used to solve the coupling between the cylinder and flow. The results including “Lock-on” and “Beat” phenomena were obtained, and the effect of mass ration on "Lock-on" was analyzed, furthermore, the influence of vortex-induced vibration on convective heat transfer was also discussed.

• Periodical: Applied Mechanics and Materials (Volumes 602-605)
• Pages: 458-464
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.602-605.458
• Online since: August 2014
• Authors: Wei Lin, Zuo Bing Chen, JiuYang Yu*, Xiao Tao Zheng
• Keywords: Circular, Heat Transfer Enhancement, Lock-On, Vortex-Induced Vibration (VIV)

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