Design of a panel flutter experiment in a short duration hypersonic facility

G. M.D. Currao, M. Freydin, E. Dowell, L. P. McQuellin, A. J. Neely

研究成果: Conference contribution

3 引文 斯高帕斯(Scopus)

摘要

This work discusses the design of a panel flutter experiment in a Mach 5.8 free-piston compression-heated Ludwieg tube. Small test duration, low freestream pressure and limited space available within the coreflow have driven the choice of boundary conditions, material and panel geometry. The test piece is a 100 mm long and 40 mm wide aluminium panel. The panel boundary condition is clamped-free-clamped-free, with the free edges parallel to the flow direction. The aerodynamic load can be varied by changing the inclination of the panel with respect to the freestream. The pressure in the cavity underneath the panel is reproduced passively by channelling the external flow and creating a recirculation region. Several strategies are employed to reduce the pressure differential between windward and cavity side of the panel. On the basis of steady-state simulations, analytical results and empirical laws, it is possible to state that panel can experience flutter during the test. Further investigation should focus on start-up transients and temperature effects.

原文English
主出版物標題Proceedings of the 21st Australasian Fluid Mechanics Conference, AFMC 2018
編輯Timothy C.W. Lau, Richard M. Kelso
發行者Australasian Fluid Mechanics Society
ISBN(電子)9780646597843
出版狀態Published - 2018
事件21st Australasian Fluid Mechanics Conference, AFMC 2018 - Adelaide, Australia
持續時間: 2018 十二月 102018 十二月 13

出版系列

名字Proceedings of the 21st Australasian Fluid Mechanics Conference, AFMC 2018

Conference

Conference21st Australasian Fluid Mechanics Conference, AFMC 2018
國家/地區Australia
城市Adelaide
期間18-12-1018-12-13

All Science Journal Classification (ASJC) codes

  • 流體流動和轉移過程

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