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Daniele Ragni

Delft University of Technology

SCHOLARLY PAPERS

10

DOWNLOADS

473

TOTAL CITATIONS

2

Scholarly Papers (10)

Towards the Prediction of Airfoil Trailing Edge Crack Size Through Aerodynamic Noise Measurements for Both Clean and Turbulent Inflow Conditions

Number of pages: 25 Posted: 06 Dec 2023
Delft University of Technology, Delft University of Technology, Delft University of Technology and Politecnico di Torino - Department of Mechanical and Aerospace Engineering
Downloads 47 (1,119,531)

Abstract:

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Wind turbine blade, trailing edge crack, aerodynamic noise, boundary layer, Aeroacoustics

Towards the Prediction of Airfoil Trailing Edge Crack Size Through Aerodynamic Noise Measurements for Both Clean and Turbulent Inflow Conditions

Number of pages: 60 Posted: 20 Mar 2024
Delft University of Technology, Delft University of Technology, Delft University of Technology and Politecnico di Torino - Department of Mechanical and Aerospace Engineering
Downloads 28 (1,385,838)

Abstract:

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wind turbine blade, trailing edge crack, aerodynamic noise, boundary layer, Aeroacoustics

2.

Assessment of BEMT-Based Engineering Models for Wind Turbine Rotors Under Uniform Steady Inflow

Number of pages: 21 Posted: 14 Oct 2022
Siemens Digital Industries Software, Siemens Digital Industries Software, affiliation not provided to SSRN and Delft University of Technology
Downloads 60 (970,490)

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wind turbine, aerodynamics, Blade Element Momentum Theory, Computational Fluid Dynamics, Tip loss, Stall delay

3.

Accuracy assessment of noise prediction of propellers via numerical simulation, analytical methods, and experimental campaigns

Number of pages: 22 Posted: 24 Feb 2026
Delft University of Technology, Delft University of Technology, Dassault Systemes Deutschland GmbH and Delft University of Technology
Downloads 56 (1,020,567)

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propeller noise, experimental aeroacoustics, numerical aeroacoustics, blind-test of propeller aeroacoustic prediction

4.

Time-Domain Impedance Boundary Condition for Computational Fluid Dynamics Applications

Number of pages: 56 Posted: 20 Aug 2025
affiliation not provided to SSRN, Delft University of Technology, Delft University of Technology and Delft University of Technology
Downloads 48 (1,097,529)

Abstract:

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time-domain impedance boundary condition, computational aeroacoustics, discrete convolution, one-dimensional CFD, pressure-velocity formulation, numerical stability, liner-fluid interaction

5.

Finlet Rails for the Reduction of the Trailing-Edge Noise

Number of pages: 38 Posted: 31 Mar 2023
Delft University of Technology, Delft University of Technology and Delft University of Technology
Downloads 48 (1,086,013)

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Trailing-edge noise, Finlet rails, Particle image velocimetry

6.

Impact of Quadrupolar-Sound Diffraction on Flow-Induced Noise from Porous Cylinders

Number of pages: 68 Posted: 20 Sep 2023
Delft University of Technology, Politecnico di Torino - Department of Mechanical and Aerospace Engineering, Delft University of Technology, affiliation not provided to SSRN and Delft University of Technology
Downloads 46 (1,109,210)
Citation 1

Abstract:

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Aeroacoustics, vortex shedding, Sound diffraction, Noise control, Coated cylinder, Porous materials

7.

Design Exploration of Uam Vehicles

Number of pages: 30 Posted: 09 Sep 2024
Delft University of Technology - Faculty of Aerospace Engineering, Delft University of Technology and Delft University of Technology
Downloads 42 (1,157,785)
Citation 1

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Urban air mobility design exploration, Urban air mobility noise emissions

8.

Towards Understanding the Physics of Crack-Induced Blunt Trailing Edge Noise for Both Clean and Turbulent Inflow Conditions

Number of pages: 88 Posted: 22 Oct 2024
Delft University of Technology, Delft University of Technology, Delft University of Technology and Politecnico di Torino - Department of Mechanical and Aerospace Engineering
Downloads 35 (1,249,711)

Abstract:

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wind turbine blade, trailing edge crack, Aerodynamic noise, boundary layer, Aeroacoustics

9.

Transition Due to Isolated Roughness in a Swept-Wing Boundary Layer

Number of pages: 17 Posted: 17 Feb 2022
Giulia Zoppini, Daniele Ragni and Marios Kotsonis
affiliation not provided to SSRN, Delft University of Technology and affiliation not provided to SSRN
Downloads 35 (1,249,711)

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Boundary layer receptivity, Transition to turbulence, Absolute/convectiveinstability, Isolated Roughness elements

10.

Wave Propagation Modelling Approach for Improved Assessment of the Acoustic Field in Closed Test Section Wind Tunnels

Number of pages: 43 Posted: 10 Oct 2024
affiliation not provided to SSRN, affiliation not provided to SSRN, Politecnico di Torino - Department of Mechanical and Aerospace Engineering, Delft University of Technology, affiliation not provided to SSRN and Delft University of Technology
Downloads 28 (1,345,526)

Abstract:

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Acoustic measurements, Wind tunnel, Beamforming, Finite Element Method, Green's function correction, Source Power Integration correction