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Aerodynamic investigation of the deformable membrane airfoil with excess lengthPetrović, Igor, strojnik ; Kosel, Franc ; Šajn, ViktorThe deformable membrane airfoils (DMA) are considered in the present paper, which could be potentially used on a new class of modern Micro Aerial Vehicles for their compact and lightweight form. ... Numerical simulations of low Reynolds number airflow around the DMA with excess length were performed and compared with the results obtained in the experiment. The aerodynamic performance was studied using a fluid-structure interaction between the DMA with excess length and the surrounding fluid flow. Fluid part was solved using Reynolds averaged Navier - Stokes (RANS) equations and applying the resulting pressure distribution to the airfoil. Experiment was performed in the low-turbulence wind tunnel with a model of an airfoil made from a deformable membrane with excess length, fixed at the leading and trailing edge. Measurements were obtained for the predetermined range of excess length ratio (0,025 to 0,150) and angle of incidence (0° to 15°), and showed a reasonable agreement with the numerical results with smallest discrepancies at 1,8 %. Investigation of the excess length shows that it could increase longitudinal stability of the airfoil in the non-oscillating regime, compared to standard rigid airfoils.Source: Tehnički vjesnik : znanstveno-stručni časopis tehničkih fakulteta Sveučilišta u Osijeku = Technical gazette : scientific-professional journal of technical faculties of the University of Osijek. - ISSN 1330-3651 (Vol. 22, no. 3, 2015, str. 573-580)Type of material - article, component partPublish date - 2015Language - englishCOBISS.SI-ID - 14036251
Author
Petrović, Igor, strojnik |
Kosel, Franc |
Šajn, Viktor
Topics
deformable membrane airfoil |
experimental validation |
fluid-structure interaction |
RANS simulation |
deformabilni membranski aeroprofili |
eksperimentalna validacija |
interakcija fluida i structure |
RANS simulacije |
deformabilni membranski aeroprofili |
eksperimentalna validacija |
interakcija med fluidom in strukturo |
RANS simulacija
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Database name | Field | Year |
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Petrović, Igor, strojnik | 32081 |
Kosel, Franc | 01698 |
Šajn, Viktor | 13088 |
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