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작성일 : 11-08-07 16:57
홴 광대역소음의 효율적 예측 방법의 개발(교과부, 2010.05~2013.04)
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Prediction of broadband noise radiated from a cascade of real-airfoils interacting with turbulent gusts.

        <overlapping grids; background ; NACA0012>

<pressure perturbation>

                                                                <Acoustic power>



3rd CAA Benchmark Category4,
















4th CAA Benchmark Category3, Problem2 "cascade-gust interaction"




















- Pressure and velocity Contours (27 passages)-

















      
         - Mean Pressure distribution on reference airfoil-



           -Comaprison of computed SPL[dB] on the suction side-



          -Comaprison of computed SPL[dB] on the pressure side-


 -Comaprison of computed SPL[dB] at the inflow and outflow plane at 1st,2nd and 3rd harmonics-


 
 

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