Low-reynolds-number flowfield of wing with control surface in propeller slipstream

Tsubasa Ikami, Koji Fujita, Hiroki Nagai

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


An experimental study is conducted on a NACA 0012 airfoil with a control surface to investigate the influence of a propeller slipstream under a low-Reynolds-number condition. To investigate the influence of the propeller slipstream on a wing surface, the flowfield on the wing surface is visualized using a temperature-sensitive paint when the chord-based Reynolds number is equal to 3.0 × 104 . The control surface performance improves in the installed-propeller condition because the propeller slipstream suppresses the laminar separation bubble. Finally, we suggest that the propeller should be installed ahead of the control surface to benefit from the effect of the propeller slipstream under the low-Reynolds-number flight condition.

Original languageEnglish
Pages (from-to)228-235
Number of pages8
JournalJournal of Aircraft
Issue number2
Publication statusPublished - 2021


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