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Wall-Pressure Fluctuations of Modified Turbulent Boundary Layer with Riblets

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Figure

Fig. 1.Shows the experimental rig. triangular and trapezoidal both have same groove dimensions
Fig. 2. Dimensions of fabricated grooves have same heights (h=800
Fig. 3. Pressure fluctuation time series at Reynolds number 5.3 × 104 for smooth and triangular riblet
Fig. 4. Pressure fluctuation time series at Reynolds number 5.3 × 10Figure 5 shows the pressure fluctuation time series at 4 for smooth and Trapezoidal riblet performance with very wide and more stable low pressure
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