2019
DOI: 10.1016/j.oceaneng.2019.106229
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Entropy analysis of pitching airfoil for offshore wind turbines in the dynamic stall condition

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Cited by 31 publications
(8 citation statements)
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“…Although large eddy simulation (LES) and detached eddy simulation (DES) can show more detailed flow structures, they require considerable computational resources and are time-consuming and costly. However, for research on engineering applications, the unsteady Reynolds-averaged Navier-Stokes (URANS) method is also feasible for reliable aerodynamic forces and average flow fields [33]. In previous studies [34,35], the URANS method and different turbulence models were used for similar research geometry, such as shear stress transport (SST) k-ω turbulence models, renormalisation group (RNG) k-ε turbulence, the realisable k-ε turbulence model, etc.…”
Section: Methodsmentioning
confidence: 99%
“…Although large eddy simulation (LES) and detached eddy simulation (DES) can show more detailed flow structures, they require considerable computational resources and are time-consuming and costly. However, for research on engineering applications, the unsteady Reynolds-averaged Navier-Stokes (URANS) method is also feasible for reliable aerodynamic forces and average flow fields [33]. In previous studies [34,35], the URANS method and different turbulence models were used for similar research geometry, such as shear stress transport (SST) k-ω turbulence models, renormalisation group (RNG) k-ε turbulence, the realisable k-ε turbulence model, etc.…”
Section: Methodsmentioning
confidence: 99%
“…Mamouri et al [ 8 ] focused on dynamic stall in offshore wind turbine blades and used the entropy generation rate as a tool for analysis and design, showing that some airfoils have a lower drag coefficient. In another work, Mamouri et al [ 9 ] examined the entropy generation of three offshore wind turbine airfoils at various angles of attack, revealing that flow separation has a large impact on the viscous entropy generation rate and that the SD7062 airfoil has the lowest entropy generation rate at large angles of attack.…”
Section: Introductionmentioning
confidence: 99%
“…They found that geometric nonlinearity had a significant effect on the stall flutter characteristics. Mamouri et al (16) simulated an airfoil oscillating with different frequencies to observe dynamic stall. They found that high entropy was generated by the airfoil, which decreased its efficiency.…”
Section: Introductionmentioning
confidence: 99%