Project supported by the National Natural Science Foundation of China(No.11772224)。
The laminar-turbulent transition in boundary-layer flows is often affected by wall imperfections, because the latter may interact with either the freestream perturbations or the oncoming boundary-layer instability mod...
supported by the National Natural Science Foundation of China(Nos.11472139 and11802143);the Natural Science Foundation of Jiangsu Province of China(No.BK20180781)
The laminar-turbulent transition has always been a hot topic of fluid mechanics. Receptivity is the initial stage and plays a crucial role in the entire transition process. The previous studies of receptivity focus on...
supported by the National Natural Science Foundation of China(Nos.11472189 and11772224)
Forward-/backward-facing steps in boundary-layer flows are often seen in engineering applications, and they have potential impacts on laminar-turbulent transition through scattering of the oncoming instability modes(e...
supported by the National Natural Science Foundation of China(No.11172143);the Research Innovation Program for College Graduates of Jiangsu Province(No.CXZZ13 0518)
The boundary-layer receptivity under the interaction of free-stream turbu- lence (FST) and localized wall roughness is studied by the direct numerical simulation (DNS) and the fast Fourier transform. The results s...
Project supported by the National Natural Science Foundation of China(No.10872018)
By the shock relationships, the wavy characteristics and the forming condi-tions of a shock wave are analyzed. The wavy characteristics of an Euler system are stud-ied theoretically. The present research focuses on th...
supported by the National Natural Science Foundation of China(No.10872018)
The mechanism of shocklets is studied theoretically and numerically for the stationary fluid, uniform compressible flow, and boundary layer flow. The conditions that trigger shock waves for sound wave, weak discontinu...