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Aerodynamic Shape Optimization for Reducing Ice Induced Losses on Wind Turbine Blades
Date
2019-05-14
Author
Yırtıcı, Özcan
Tuncer, İsmail Hakkı
Metadata
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Ice accretion on wind turbines modifies the blade shape profile and causes alteration in the aerodynamic characteristics of the blades. The objective of this study is to optimize the blade geometry to reduce performance losses by minimizing ice accretion in cold climate regions and mountainous areas where wind energy resources are plentifully found. In this study, The Gradient Based Optimization Method and Blade Element Momentum Method will be employed together with an ice accretion prediction tool for estimating the power production of wind turbines both for iced and clean blades. The momentary power production loss is investigated by comparing the difference between power curves of the clean and iced turbines. It is inferred that the blade profile is one of the crucial parameters for icing and by modifying the blade geometry power production losses can be reduced.
Subject Keywords
Icing
,
Ice accretion
,
Optimization
,
Wind energy
URI
http://www.parcfd.org/2019/program/serv.php?No=1073
https://hdl.handle.net/11511/78196
Conference Name
31st International Conference on Parallel Computational Fluid Dynamics (14 - 17 Mayıs 2019)
Collections
Department of Aerospace Engineering, Conference / Seminar
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Ice formation on a wind turbine alters the airfoil profiles of the blades and causes degradation in the aerodynamic performance of the wind turbine and the resulting power production losses. Since the blade profile plays a significant role in the icing of a blade, power production losses due to icing can be minimized by optimizing the blade profile against icing. In this study, blade profiles are optimized in order to minimize power production losses. A Gradient based aerodynamic shape optimization method i...
Aerodynamic validation studies on the performance analysis of iced wind turbine blades
YIRTICI, ÖZCAN; Cengiz, Kenan; Özgen, Serkan; Tuncer, İsmail Hakkı (Elsevier BV, 2019-10-15)
Ice accretion on wind turbine blades distorts blade profiles and causes degradation in the aerodynamic characteristic of the blades. In this study ice accretion on turbine blades are simulated under various icing conditions, and the resulting power losses are estimated. The Blade Element Momentum method is employed together with an ice accretion prediction methodology based on the Extended Messinger model in a parallel computing environment. The predicted iced profiles are first validated with the experimen...
Wind Turbine Performance Losses Due to the Ice Accretion on the Turbine Blades
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Ice accretion on wind turbine blades modifies the blade profiles and causes degradation in the aerodynamic characteristic of the blades. In this study ice accretion on turbine blades are simulated under various icing conditions and the resulting power losses are estimated. The Blade Element Momentum method is employed together with an ice accretion prediction methodology based on the Extended Messinger model and 2D flow solvers XFOIL and SU2. The predicted iced profiles are first validated with the experime...
Ice Accretion Prediction on Wind Turbines and Consequent Power Losses
YIRTICI, ÖZCAN; Tuncer, İsmail Hakkı; Özgen, Serkan (2016-10-07)
Ice accretion on wind turbine blades modifies the sectional profiles and causes alteration in the aerodynamic characteristic of the blades. The objective of this study is to determine performance losses on wind turbines due to the formation of ice in cold climate regions and mountainous areas where wind energy resources are found. In this study, the Blade Element Momentum method is employed together with an ice accretion prediction tool in order to estimate the ice build-up on wind turbine blades and the en...
Performance Degradation Analysis of an Iced TurbineBlade by Using Detached-Eddy Simulation
Yırtıcı, Özcan; Cengiz, Kenan; Tuncer, İsmail Hakkı (null; 2018-05-14)
Ice accretion on the turbine blades change the initial shape and this cause alteration in the aerodynamic characteristic of the blades. The objective of the study is to predict performance degradation on wind turbines due to icing. The aerodynamic coefficients are being computed using a Detached-eddy Simulation approach. The influence of the losses on turbine performance will be analyzed through a Blade Element Momentum methodology.
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BibTeX
Ö. Yırtıcı and İ. H. Tuncer, “Aerodynamic Shape Optimization for Reducing Ice Induced Losses on Wind Turbine Blades,” presented at the 31st International Conference on Parallel Computational Fluid Dynamics (14 - 17 Mayıs 2019), Antalya, Türkiye, 2019, Accessed: 00, 2021. [Online]. Available: http://www.parcfd.org/2019/program/serv.php?No=1073.
