Effect of surface contamination on the performance of a section of a wind turbine blade

Soltani, Mohammad Reza; Birjandi, Amir Hossein; Moorani, M. Seddighi

doi:10.1016/j.scient.2011.05.024

Cited by 43 publications

(12 citation statements)

References 7 publications

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“…All the researchers were satisfied with their experimental results provided by their contamination accumulation simulation models except for Soltani et al (2011) [33]. • Xfoil failed to estimate the roughness effect in the case of fully turbulent flow.…”

Section: Contamination Simulation Modelsmentioning

confidence: 90%

“…Several researches used blade airfoil design NACA 6 series [15,17,24,25,[32][33][34]41], while, others used DU 97-W-300 [29], S822, S834 [30] or others. Most of studies simulated their results using angles of attack prior to the stall phenomena.…”

Section: Literature Survey Discussionmentioning

confidence: 99%

“…Simulation of the real contamination accumulation must be distributed through the blade surface with higher concentration at the blade's leading edge as shown in Soltani et al [33]. However, this does not give the exact results for contamination effects.…”

Section: Literature Survey Discussionmentioning

confidence: 99%

“…Many researchers used the zigzag tape model with different angles in their experimental studies such as, Timmer and Schaffarczyk [29], Selig and McGranahan [30], Soltani and Birjandi [31], White et al [32] and Soltani et al [33]. It was found that zigzag tape is the most commonly used surface roughness model.…”

Section: Contamination Simulation Modelsmentioning

confidence: 99%

See 3 more Smart Citations

On the role of surface roughness in the aerodynamic performance and energy conversion of horizontal wind turbine blades: a review

Zidane

Saqr

Swadener

et al. 2016

Int. J. Energy Res.

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Summary Renewable energy is one of the main pillars of sustainable development, especially in developing economies. Increasing energy demand and the limitation of fossil fuel reserves make the use of renewable energy essential for sustainable development. Wind energy is considered to be one of the most important resources of renewable energy. In North African countries, such as Egypt, wind energy has an enormous potential; however, it faces quite a number of technical challenges related to the performance of wind turbines in the Saharan environment. Seasonal sand storms affect the performance of wind turbines in many ways, one of which is increasing the wind turbine aerodynamic resistance through the increase of blade surface roughness. The power loss because of blade surface deterioration is significant in wind turbines. The surface roughness of wind turbine blades deteriorates because of several environmental conditions such as ice or sand. This paper is the first review on the topic of surface roughness effects on the performance of horizontal‐axis wind turbines. The review covers the numerical simulation and experimental studies as well as discussing the present research trends to develop a roadmap for better understanding and improvement of wind turbine performance in deleterious environments. Copyright © 2016 John Wiley & Sons, Ltd.

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Section: Contamination Simulation Modelsmentioning

confidence: 90%

Section: Literature Survey Discussionmentioning

confidence: 99%

Section: Literature Survey Discussionmentioning

confidence: 99%

Section: Contamination Simulation Modelsmentioning

confidence: 99%

See 2 more Smart Citations

On the role of surface roughness in the aerodynamic performance and energy conversion of horizontal wind turbine blades: a review

Zidane

Saqr

Swadener

et al. 2016

Int. J. Energy Res.

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show abstract

“…For example, Corten et al 6 and Kok et al [7][8][9][10][11] studied surface roughness due to deposition of glutinous crushed insects; sticky dust particles have been observed in Saharan environments 12,13 and ice accretion have been reported in the cold northern hemisphere. [14][15][16] Chi et al, 17 Villalpando et al 18 and McClain et al 19 studied the ice formation on blades of wind turbine; Soltani et al 20 and Zhang et al 21 investigated contamination induced surface roughness of wind turbine blades; Fiore and Selig [22][23][24] studied the blade damage incurred by rain, hail, sand, and insects. Other investigations explored the issue in a totally different field, relevant to gas turbine engines; for example to mention a few: Hamed et al 25 and El-Batsh.…”

Section: Introductionmentioning

confidence: 99%

Site-specific considerations for aerodynamic design upgrade of a wind turbine operating in a saharan environment

El-Din

Diab

2022

Proceedings of the Institution of Mechanical Engineers, Part A:

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Sand erosion and dust deposition may induce surface irregularities of the blades of a wind turbine deployed in the Sahara, causing performance deterioration. In the current work a multi-objective optimization algorithm is developed to upgrade the aerodynamic blade profile of wind turbines operating in a Saharan environment. As a case study, the rotor of the Nordtank 300 kW horizontal axis wind turbine operating in Hurghada, Egypt is customized for lower sensitivity to surface roughness. The goal is to achieve a high lift-to-drag ratio while simultaneously maintain high resistance to dust deposition and sand erosion. The optimization algorithm is developed in MATLAB using C-language and coupled via ANSYS-ICEM to ANSYS-FLUENT computational fluid dynamics software for a particle-laden flow simulation until the optimization objectives are iteratively met. The optimization process yields a blade with lower sensitivity to surface roughness issues not only offsetting the 10.58% loss in Annual Energy Production (AEP) using the original profile, but actually boosting the AEP by 10.87% for the optimized blade. It is believed that this research may draw attention to the need for site-specific blade design to avoid environmental surface degradation as a result of dust deposition and sand erosion that may be unavoidable in the Saharan environment of countries in the MENA region.

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Ultrathin, Graphene‐in‐Polyimide Strain Sensor via Laser‐Induced Interfacial Ablation of Polyimide

Bian

Chen

et al. 2022

Adv Elect Materials

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Laser‐induced graphene sensors have attracted considerable interest in various fields; however, the low sensitivity and conformability limit their further applications in measuring soft, large deformable structures. Here, an innovative method of interface ablation is presented to convert the interfacial polyimide into graphene by nanosecond ultraviolet laser (308 nm). Significantly different from the traditional laser surface ablation, interface ablation demonstrates its unique capacity to produce high‐quality graphene with limited ablation depth, which benefits from the combined effect of highly concentrated temperature distribution, the confinement of reaction product, and a unique ablation mode dominated by heat conduction. Using this method, an ultrathin (8 µm), graphene‐in‐polyimide (GiP) strain sensor is obtained, which is six times thinner than that prepared by the traditional surface ablation. The ultrathin GiP sensors exhibit excellent conformability (small bending radius of 400 µm), high strain sensitivity (24.8), and high force sensitivity (4.2 N−1). Demonstrations of this GiP strain sensor in the deformation measurement of the morphing aircraft (e.g., bending, twisting, and impact) illustrate its powerful abilities in the health monitoring of equipment, thus providing engineering opportunities for smart devices requiring accurate deformation measurement.

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Effect of surface contamination on the performance of a section of a wind turbine blade

Cited by 43 publications

References 7 publications

On the role of surface roughness in the aerodynamic performance and energy conversion of horizontal wind turbine blades: a review

On the role of surface roughness in the aerodynamic performance and energy conversion of horizontal wind turbine blades: a review

Site-specific considerations for aerodynamic design upgrade of a wind turbine operating in a saharan environment

Ultrathin, Graphene‐in‐Polyimide Strain Sensor via Laser‐Induced Interfacial Ablation of Polyimide

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