Open AccessУлучшение подъемных характеристик крыла со сверхкритическим профилем при использовании модулированного импульсного струйного актуатора
Author(s) -
Soheila Abdolahipour,
Mahmoud Mani,
Arash Shams Taleghani
Publication year - 2022
Publication title -
pisʹma v žurnal tehničeskoj fiziki
Language(s) - English
Resource type - Journals
eISSN - 1726-7471
pISSN - 0320-0116
DOI - 10.21883/pjtf.2022.01.51869.18999
Subject(s) - airfoil , reynolds number , lift (data mining) , drag , acoustics , lift to drag ratio , jet (fluid) , flow control (data) , pulse (music) , physics , control theory (sociology) , computer science , mechanics , optics , telecommunications , control (management) , turbulence , data mining , artificial intelligence , detector
In this experimental investigation, a pulse flow control system on a high-lift device of a wing with a NASA SC(2)-0714 airfoil within the Reynolds number range of the take-off and landing phases, is proposed. In this study, an innovative method of signal modulation has been used in order to simultaneously exploit the benefits of both low and high excitation frequencies in one actuator driving signal that are known to be effective in separation control. It is observed that the lift and drag coefficients are improved due to the use of modulated pulse jets compared to the simple pulse jet.