Evaluation of durability of composite materials applied to renewable marine energy: Case of ducted tidal turbine

Nachtane, Mourad; Tarfaoui, Mostapha; Saifaoui, D.; Moumen, A. El; Hassoon, Omar Hashim; Benyahia, Hamza

doi:10.1016/j.egyr.2018.01.002

Cited by 45 publications

(30 citation statements)

References 7 publications

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“…Composite materials are gradually being employed in specific applications because of their excellent “mass/rigidity” relationships compared to traditional materials 29,30 …”

Section: Conception Of Wind Turbinementioning

confidence: 99%

Numerical investigation of ice accretion on an offshore composite wind turbine under critical loads

Lagdani¹,

Tarfaoui

Nachtane

et al. 2020

Int J Energy Res

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Summary In northern regions, wind turbines are affected by the formation of ice on the surface of their structures, which usually occurs on moving blades, resulting in a significant decrease in aerodynamic performance and then the output power tends to reduce. This research evaluates the mechanical behavior and damage of the proposed composite blade structure under icing conditions. A comparative evaluation was carried out considering three ice configurations and three blade positions. The results are then examined and analysed. During this study, the blade in service was subjected to three different critical loads. A numerical simulation is adopted using finite element method (FEM) with ABAQUS software to localize damage in the composite wind turbine blade. The method developed is based on the failure criteria of HASHIN to detect failure modes in large structures and to identify the most sensitive zones. Major damage appeared in the transition region and was the principal reason for the composite blade failure. Furthermore, greater strength and stiffness were found with Carbon (CC) fibers blade designs, whereas configuration 3 was found to be the best one, and the optimal blade position was when the ice structure was placed vertically.

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“…Composite materials are gradually being employed in specific applications because of their excellent “mass/rigidity” relationships compared to traditional materials 29,30 …”

Section: Conception Of Wind Turbinementioning

confidence: 99%

Numerical investigation of ice accretion on an offshore composite wind turbine under critical loads

Lagdani¹,

Tarfaoui

Nachtane

et al. 2020

Int J Energy Res

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“…Some studies have demonstrated that the impact extremely decreases the mechanical properties of the composite material such as matrix fissuring, fibre-matrix decohesion, fibre rupture, and delamination. For example, Nachtane et al [3] analysed the effect of impactor shape and velocity on the dynamic behaviour and damage kinetics induced to the nozzle during operation. They compared glass fibre reinforced polyester matrix to carbon fibre reinforced epoxy matrix.…”

Section: Introductionmentioning

confidence: 99%

A Comprehensive Numerical Investigation on the Mechanical Performance of Hybrid Composite Tidal Current Turbine under Accidental Impact

Laaouidi¹,

Tarfaoui²,

Nachtane³

et al. 2020

IJAME

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The composite tidal turbine nozzle can be exposed to impact loads during maintenance or installation operations, which may result in invisible damage. Therefore, it is very important to analyse the induced damage in order to conceive hybrid composite nozzles with better resistance to damage. The low-velocity impact behaviour (LVI) of a carbon/glass hybrid composite nozzle has been investigated based on this motivation. The configurations of stacking sequences were constituted of glass and carbon fibers. The results acquired were compared between five various laminated. Indeed, the impact was studied in the leading edge region of the nozzle. The damaged laminates were inspected by the finite element method (FEM) based on Hashin failure criterion using the ABAQUS software. The energy conservation of the nozzle was verified to validate the numerical model. Futhermore, the effect of accidental impact on dynamic response and the damage induced on a hybrid composite nozzle have been investigated. According to results, the formation of damage like matrix cracking on the external/internal surfaces and radial cracking may occur. In addition, the hybrid nozzle with CCC (carbon/carbon/carbon), and CGG (carbon/glass/glass) stacking has greater impact resistance compared to other configurations.

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“…To improve the turbine output and provide enough strength to the blade structure, hydrofoils must be correctly designed, Laurens et al [21]. Moreover, in order to satisfy the requirements of TCTs designs, which are mostly, associated with problems such as mass gain, fouling resistance, corrosion resistance, manufacturing methods and coating technology according to Nachtane et al [22], the future work will involve the use of composite materials because of their excellent mass/durability relations. This paper shows a new design of hydrofoil for Horizontal Axis Hydrokinetic Turbine.…”

Section: Introductionmentioning

confidence: 99%

Design and Hydrodynamic Performance of a Horizontal Axis Hydrokinetic Turbine

Nachtane¹,

Tarfaoui²,

Moumen³

et al. 2019

IJAME

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Marine energy is gaining more and more interest in recent years and, in comparison to fossil energy, is very attractive due to predictable energy output, renewable and sustainable, the Horizontal Axis Hydrokinetic Turbine (HAHT) is one of the most innovative energy systems that allow transforms the kinetic energy into electricity. This work presents a new series of hydrofoil sections, named here NTSXX20, and was designed to work at different turbine functioning requirement. These hydrofoils have excellent hydrodynamic characteristics at the operating Reynolds number. The design of the turbine has been done utilising XFLR5 code and QBlade which is a Blade-Element Momentum solver with a blade design feature. Tidal current turbine has been able to capture about 50% from TSR range of 5 to 9 with maximum CPower of 51 % at TSR=6,5. The hydrodynamics performance for the CFD cases was presented and was employed to explain the complete response of the turbine.

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Evaluation of durability of composite materials applied to renewable marine energy: Case of ducted tidal turbine

Cited by 45 publications

References 7 publications

Numerical investigation of ice accretion on an offshore composite wind turbine under critical loads

Numerical investigation of ice accretion on an offshore composite wind turbine under critical loads

A Comprehensive Numerical Investigation on the Mechanical Performance of Hybrid Composite Tidal Current Turbine under Accidental Impact

Design and Hydrodynamic Performance of a Horizontal Axis Hydrokinetic Turbine

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