Accurate prediction of laminar-to-turbulent transition in boundary-layer flows is a key issue in fluid dynamics and design of aerospace vehicles. Existing transition prediction methods vary in their approaches from purely empirical transition criteria to direct numerical simulation (DNS). The most significant problem of the eN method exists in the determination of N factor, while, the DNS is too costly for some problems. The objective of present study is to develop an approach base on parabolized stability equations (PSE) for exactly predicting laminar-turbulent transition. The study is focused on natural transition of flow around NACA0012. The effects of on-flow characteristics and the properties of instability waves are investigated. A good agreement is found, comparing with experiments and numerical simulations. The result highlights the reliability and accuracy of PSE approach.
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ASME 2012 Fluids Engineering Division Summer Meeting collocated with the ASME 2012 Heat Transfer Summer Conference and the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels
July 8–12, 2012
Rio Grande, Puerto Rico, USA
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-4475-5
PROCEEDINGS PAPER
Transition Prediction on NACA0012 Airfoil Using Parabolized Stability Equations Approach
Yihong Fang,
Yihong Fang
Tianjin University, Tianjin, China
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Chuanchen Tong,
Chuanchen Tong
Tianjin University, Tianjin, China
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Yi Zhou
Yi Zhou
Tianjin University, Tianjin, China
Search for other works by this author on:
Yihong Fang
Tianjin University, Tianjin, China
Chuanchen Tong
Tianjin University, Tianjin, China
Yi Zhou
Tianjin University, Tianjin, China
Paper No:
FEDSM2012-72224, pp. 1027-1035; 9 pages
Published Online:
July 24, 2013
Citation
Fang, Y, Tong, C, & Zhou, Y. "Transition Prediction on NACA0012 Airfoil Using Parabolized Stability Equations Approach." Proceedings of the ASME 2012 Fluids Engineering Division Summer Meeting collocated with the ASME 2012 Heat Transfer Summer Conference and the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels. Volume 1: Symposia, Parts A and B. Rio Grande, Puerto Rico, USA. July 8–12, 2012. pp. 1027-1035. ASME. https://doi.org/10.1115/FEDSM2012-72224
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