Large-eddy simulation of the flow past a surface-piercing circular cylinder is performed to investigate the effects of Reynolds and Froude numbers using a high fidelity orthogonal curvilinear grid solver. The present study extends and supports the conclusions of the precursory work for medium Reynolds and Froude numbers. Organized periodic vortex shedding is observed in deep flow. At the interface, the organized periodic vortex shedding is attenuated and replaced by small-scale vortices. The streamwise vorticity and outward transverse velocity generated at the edge of the separated region cause the weakened vortex shedding at the interface. The main source of the streamwise vorticity and the outward transverse velocity at the interface is the lateral gradient of the difference between the vertical and transverse Reynolds normal stresses.
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ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels
August 1–5, 2010
Montreal, Quebec, Canada
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-5451-8
PROCEEDINGS PAPER
Simulation of Two-Phase Flow Past a Vertical Surface-Piercing Circular Cylinder
Frederick Stern,
Frederick Stern
University of Iowa, Iowa City, IA
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Jianming Yang,
Jianming Yang
University of Iowa, Iowa City, IA
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Jungsoo Suh,
Jungsoo Suh
University of Iowa, Iowa City, IA
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Bonguk Koo
Bonguk Koo
University of Iowa, Iowa City, IA
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Frederick Stern
University of Iowa, Iowa City, IA
Jianming Yang
University of Iowa, Iowa City, IA
Jungsoo Suh
University of Iowa, Iowa City, IA
Bonguk Koo
University of Iowa, Iowa City, IA
Paper No:
FEDSM-ICNMM2010-30102, pp. 435-445; 11 pages
Published Online:
March 1, 2011
Citation
Stern, F, Yang, J, Suh, J, & Koo, B. "Simulation of Two-Phase Flow Past a Vertical Surface-Piercing Circular Cylinder." Proceedings of the ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels. ASME 2010 7th International Symposium on Fluid-Structure Interactions, Flow-Sound Interactions, and Flow-Induced Vibration and Noise: Volume 3, Parts A and B. Montreal, Quebec, Canada. August 1–5, 2010. pp. 435-445. ASME. https://doi.org/10.1115/FEDSM-ICNMM2010-30102
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