AffiliationUniversity of Derby
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AbstractThe process through which a laminar flow undergoes transition to turbulence is of great fundamental and practical interest. Such a process is hugely complex as there are many diverse routes for a laminar flow to become turbulent flow. The transition process is usually initiated by flow instabilities - a primary instability stage followed by a secondary instability stage. This forms a rational framework for the early stage of a transition process and it is crucially important to understand the physics of instabilities leading to turbulence. This article reviews the results of studies on secondary instability of separated shear layers in separation bubbles and summaries the current status of our understanding in this area.
CitationYang, Z. (2018) ‘Secondary instability of separated shear layers’, Chinese Journal of Aeronautics. doi: https://doi.org/10.1016/j.cja.2018.10.007
JournalChinese Journal of Aeronautics