Performance Analysis of Reinforced Epoxy Functionalized Carbon Nanotubes Composites for Vertical Axis Wind Turbine Blade

Elhenawy, Yasser; Fouad, Yasser; Marouani, Haykel; Bassyouni, M.

doi:10.3390/polym13030422

Cited by 20 publications

(7 citation statements)

References 32 publications

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“…It can be expressed as the m-order derivative of any function F(l) plus the remainder term l m+1 , as in Eq. (2).…”

Section: Figure 1: Comparison Of Homogeneous Materials Modeling and H...mentioning

confidence: 99%

“…According to the outline of the 14th Five-Year Plan and the proposal for 2035, China will be vigorously developing renewable energy and environmental protection industries accordingly. Wind power plays an important part of renewable energy's irreplaceable role in modern society [1][2][3][4]. The core plate of a wind turbine has many applications in the whole blade and accounts for a relatively high cost in the whole wind turbine [5].…”

Section: Introductionmentioning

confidence: 99%

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Displacement Field Variable Modeling Method for Heterogeneous Materials in Wind Power Blade Core Plates

He¹,

Wen²,

Huang³

et al. 2023

Energy Engineering

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In order to study the mechanical properties of the heterogeneous core plate of the wind turbine blade, a modeling method of the core plate based on displacement field variables is proposed. Firstly, the wind turbine blade core plate was modeled according to the theory of modeling heterogeneous material characteristics. Secondly, the three-point bending finite element model of the wind turbine blade core plate was solved by the display dynamic equation to obtain the deformation pattern and force-deformation relationship of the core plate. Finally, the three-point bending static test was conducted to compare with the finite element analysis. The test results show that: the damage form of the wind turbine blade core plate includes elasticity, yield, and failure stages. The main failure modes are plastic deformation, core material collapse, and panel-core delamination. The failure load measured by the test is 1.59 kN, which is basically consistent with the load-displacement result obtained by the simulation, with a difference of only 1.9%, which verifies the validity and reliability of the model. It provides data references for wind turbine blade structure design.

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“…It can be expressed as the m-order derivative of any function F(l) plus the remainder term l m+1 , as in Eq. (2).…”

Section: Figure 1: Comparison Of Homogeneous Materials Modeling and H...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Displacement Field Variable Modeling Method for Heterogeneous Materials in Wind Power Blade Core Plates

He¹,

Wen²,

Huang³

et al. 2023

Energy Engineering

View full text Add to dashboard Cite

show abstract

“…Thermoset polymers have been widely used in aviation, aerospace, automotive and other structural materials because of their excellent physicochemical properties [11,12]. Recently, epoxy resin has become one of the most important materials in the field of wind Polymers 2024, 16, 235 2 of 13 turbine blades due to its structural stability, light weight, high strength, high modulus, low shrinkage and good dimensional stability [13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Efficient Regulation of the Cross-Linking Structure in Polyurethane: Achieving Outstanding Processing and Mechanical Properties for a Wind Turbine Blade

Jiang,

Li,

et al. 2024

Polymers

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Although epoxy resin has been extensively used in the field of wind turbine blades, polyurethane has attracted much attention in recent years, due to its potential value of better fatigue resistance, lower processing viscosity and higher strength than epoxy resin blades. Herein, we construct a dense cross-linking structure in polyurethane (PU) based on different amounts of hydroxypropyl methacrylate (HPMA) with low processing viscosity and excellent mechanical properties. By increasing the content of HPMA, the thermal stability of PU is enhanced, but the micro-morphology does not change significantly. When the content of HPMA is 50 g (in 200 g copolymer), the PU sample PH-50 exhibits a viscosity of 70 MPa·s and a gelation time of 120 min at 25 °C, which is sufficient to complete processes like pouring and filling. By post-curing the PH-50 at 80 °C for 2 h, the heat distortion temperature can reach 72 °C, indicating the increase of temperature resistance. The PU copolymers also have excellent mechanical and dynamic thermo-mechanical properties due to the cross-linking structure between PU chains and poly-HPMA chains. Additionally, the PU copolymer has excellent compatibility with various glass fiber fabrics (GFF), showing a good match in the vacuum infusion experiment and great properties in the mechanical test. By compounding PH-50 with GFF, the composite with high strength is easily prepared for a wind turbine blade in various positions. The tensile strengths of the composites are all over 1000 MPa in the 0° direction. Such composites are promising for the future development of wind turbine blades that meet the stringent requirements for outstanding processing and mechanical properties.

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“…According to the static and dynamic study, the results show a better performance for the three-bladed rotor with a 45-degree tilt angle. Elhenawy et al [14] investigated the effect of F-MWCNTs on the mechanics and deflection of reinforced epoxy composites. The obtained results demonstrate that mixing F-MWCNTs with epoxy resin employing a sonication process has a significant influence on the mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

Numerical Investigation of the Structural Behavior of an Innovative Offshore Floating Darrieus-Type Wind Turbines with Three-Stage Rotors

et al. 2022

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The vertical axis wind turbine (VAWT) design has several advantages for offshore wind turbine installation. The VAWT provides omnidirectional wind power, and its mechanical rotating mechanisms can be installed near sea level. In this paper, the selection of a suitable composite material for floating H-Darrieus-type wind turbines with three-stage rotors and its properties are discussed. The centrifugal forces acting on the composite blades are compared to the values of these forces evaluated on the aluminum blades. Abaqus software is used for numerical simulations. The selection of appropriate laminations used to model the composite materials is discussed. The optimum combination of selected layers is determined to reduce the values of maximum bending stresses and displacements, resulting in a high strength-to-weight ratio. In the post-processor, a path is taken at the location of the application of the maximum load on the blade and the values of the displacements and stresses along this path are determined. These maximum values are compared to the unidirectional strength of the selected composite material to ensure a safe design.

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Performance Analysis of Reinforced Epoxy Functionalized Carbon Nanotubes Composites for Vertical Axis Wind Turbine Blade

Cited by 20 publications

References 32 publications

Displacement Field Variable Modeling Method for Heterogeneous Materials in Wind Power Blade Core Plates

Displacement Field Variable Modeling Method for Heterogeneous Materials in Wind Power Blade Core Plates

Efficient Regulation of the Cross-Linking Structure in Polyurethane: Achieving Outstanding Processing and Mechanical Properties for a Wind Turbine Blade

Numerical Investigation of the Structural Behavior of an Innovative Offshore Floating Darrieus-Type Wind Turbines with Three-Stage Rotors

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