Solid Particle Erosion on Shield Surface of a Helicopter Rotor Blade Using Computational Fluid Dynamics

In this study, titanium alloy (Ti-4Al-1.5Mn), magnesium alloy (Mg-Li9-A3-Zn3), or aluminum alloy (Al7075-T6) were used to construct the shell model of helicopter rotor blade to study the solid particle erosion of helicopter rotor blades. The erosion resistance of the three materials at different angles of attack (6°, 3°, or 0°) and particle collision speeds (70, 150, or 220 m/s) was examined using the finite volume method, the discrete phase method, and erosion models. In addition, the leading edge of the helicopter blades was coated with two types of bionic anti-erosion coating layers (V- and VC-type), in an attempt to improve erosion resistance at the angles of attack and particle collision speeds given above. The results showed that Ti-4Al-1.5Mn had the best erosion resistance at high speed, followed by Al7075-T6 and Mg-Li9-A3-Zn3. The angle of attack appeared to affect only the surface area of the blade erosion, while the erosion rate was not affected. Finally, the results of this article showed that the V-type bionic coating had better erosion resistance than the VC-type coating at the same impact speeds. The angle of attack did not have a significant effect on the erosion rate of the bionic coating.

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“…The discrete phase method and the Euler-Lagrangian method were used to solve Equation (5) for particle motion [36]:…”

Section: Erosion Equationsmentioning

confidence: 99%

Study of Solid Particle Erosion on Helicopter Rotor Blades Surfaces

et al. 2020

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“…Shin wrote that the erosion of solid particles on the surface of rotating rotor blades is related to their peripheral speed, angle of attack, and length. These studies can be found in more detail in the literature [18,19].İsmail Özen et al [20] used Ansys-Fluent to carry out numerical studies on the erosion of solid particles of blades of different materials, and obtained helicopter blade materials that are more resistant to erosion.…”

Section: Introductionmentioning

confidence: 99%

Solid Particle Erosion Area of Rotor Blades: Application on Small-Size Unmanned Helicopters

et al. 2021

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Rotor blades play an important role in unmanned helicopters, and it is of great significance to study the erosion of rotor blades. In this study, titanium alloy (Ti-4Al-1.5Mn) was used as the helicopter rotor blades’ surface material. The commercial software Ansys-Fluent 18.0 was mainly used to study the erosion of solid particles on the helicopter rotor blades. The moving mesh method and the discrete phase method (DPM) were used to construct an erosion model of the blades at different speeds (500, 1000, or 2000 rpm), and at different particle mass flow rates (0.5, 1, or 1.5 kg/s). The results show that the erosion of helicopter blades is mainly observed at the leading edge and at the tip of the blades. At different particle mass flow rates, greater particle mass flow rates lead to greater DPM erosion rates. As the blade speed increases, the maximum DPM erosion rate decreases, but the severely eroded area increases. Finally, the values of the severely eroded area of the helicopter rotor blades and the ratios of the severely eroded area growth are obtained through the image processing method.

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“…Thanks to these advantageous characteristics, Ti-6Al-4V has emerged as a powerful alloy for a wide field of applications. In addition to its wide use in surgical instruments and medical implants, it is currently used as a material for aerospace components (i.e., engine compressor blades and disks and helicopter rotor blades) [ 7 , 8 , 9 ], marine and offshore components (i.e., marine ship hulls, propellers, tubes, and shells) [ 1 , 10 , 11 ], oil and wastewater systems components (i.e., valves, pipelines, pipe fittings, and pumps) [ 12 , 13 , 14 ], hydropower plant components (i.e., turbine blades, pumps) [ 15 , 16 , 17 ], and architectural cladding and roofing [ 11 ]. These components are typically exposed to slurry erosion, where the working surfaces are continuously impacted by a stream of a slurry mixture.…”

Section: Introductionmentioning

confidence: 99%

Slurry Erosion–Corrosion Characteristics of As-Built Ti-6Al-4V Manufactured by Selective Laser Melting

2020

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Erosion and erosion–corrosion tests of as-built Ti-6Al-4V manufactured by Selective Laser Melting were investigated using slurries composed of SiO2 sand particles and either tap water (pure water) or 3.5% NaCl solution (artificial seawater). The microhardness value of selective laser melting (SLM)ed Ti-6Al-4V alloy increased as the impact angle increased. The synergistic effect of corrosion and erosion in seawater is always higher than erosion in pure water at all impact angles. The seawater environment caused the dissolution of vanadium oxide V2O5 on the surface of SLMed Ti-6Al-4V alloy due to the presence of Cl− ions in the seawater. These findings show lower microhardness values and high mass losses under the erosion–corrosion test compared to those under the erosion test at all impact angles.

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Solid Particle Erosion on Shield Surface of a Helicopter Rotor Blade Using Computational Fluid Dynamics

Cited by 14 publications

References 38 publications

Study of Solid Particle Erosion on Helicopter Rotor Blades Surfaces

Study of Solid Particle Erosion on Helicopter Rotor Blades Surfaces

Solid Particle Erosion Area of Rotor Blades: Application on Small-Size Unmanned Helicopters

Slurry Erosion–Corrosion Characteristics of As-Built Ti-6Al-4V Manufactured by Selective Laser Melting

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