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Airfoil Surface Forming and Conformity Test Using Laser Tracker
Published 2022-01-01“…In this study, NACA0018 airfoil surface conformity test was conducted using API tracker3 in combination with SpatialAnalyzer (SA) and modeling software SolidWorks. …”
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22
Numerical Investigation on Vortex Shedding from a Hydrofoil with a Beveled Trailing Edge
Published 2015-01-01“…To better understand the vortex shedding mechanism and to assess the capability of our numerical methodology, we conducted numerical investigations of vortex shedding from truncated and oblique trailing edges of a modified NACA 0009 hydrofoil. The hybrid particle-mesh method and the vorticity-based subgrid scale model were employed to simulate these turbulent wake flows. …”
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23
OPTIMIZATION AND RESEARCH OF TIDAL TURBINE BLADES BASED ON GENETIC ALGORITHM
Published 2021-01-01“…Based on the hydrofoil of NACA4412,the method of Joukowski conformal transformation was used to build the parameterized model,the genetic algorithm was realized by MATLAB programming and an optimal solution was found on the basis of using high lift-drag ratio as the objective function under the design variables and constrains. …”
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24
Proper Orthogonal Decomposition as Surrogate Model for Aerodynamic Optimization
Published 2016-01-01“…In the second case, a two-dimensional flow past a NACA 0012 airfoil is considered and the surrogate model is constructed in the (Mach, angle of attack) parameter space. …”
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25
Vortex Simulation of the Bubbly Flow around a Hydrofoil
Published 2007-01-01“…The bubbly flow around a hydrofoil of NACA4412 with a chord length 100 mm is simulated. …”
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26
Performance of Combined Water Turbine with Semielliptic Section of the Savonius Rotor
Published 2013-01-01“…In this study, three semielliptic sections of aspect ratio 0.8 were used for Savonius bucket while the Darrieus blade used three wings of airfoil NACA 0015. The Darrieus-Savonius turbine’s performances were studied experimentally in an irrigation canal of South Sumatera, Indonesia. …”
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27
Research and Development of a Small-Scale Icing Wind Tunnel Test System for Blade Airfoil Icing Characteristics
Published 2021-01-01“…On this basis, the icing tests of an aluminium cylinder, an NACA0018 airfoil, and an S809 airfoil were carried out, and the two-dimensional ice shape obtained by the test was compared with the two-dimensional ice shape obtained by the numerical simulation software. …”
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28
A New Aerodynamic Optimization Method with the Consideration of Dynamic Stability
Published 2021-01-01“…Finally, a new aerodynamic optimization method can be built. We take NACA0012 as an example to validate this method. The results show that the dynamic derivative calculation method is effective and conventional optimization design can significantly improve the lift-drag ratio. …”
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29
A Comparative Numerical Study on the Performances and Vortical Patterns of Two Bioinspired Oscillatory Mechanisms: Undulating and Pure Heaving
Published 2015-01-01“…Navier-Stokes equations are solved, by a pressure-based finite volume method solver, in an arbitrary Lagrangian-Eulerian (ALE) framework domain containing a 2D NACA0012 foil moving with prescribed kinematics. …”
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Assessment of Turbulence Models for Flow Simulation around a Wind Turbine Airfoil
Published 2011-01-01“…This investigation focuses on the application of the computational fluid dynamics tool FLUENT to the study of flows over the NACA 63–415 airfoil at various angles of attack. …”
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31
Wind Tunnel Test of the Icing Characteristics of Airfoil Rotating around a Vertical Axis
Published 2020-01-01“…Then, an icing experiment on the rotating blade with the NACA0018 airfoil was carried out. The characteristics of icing, including icing distribution, growth rate of icing, and thickness of the ice layer, were defined and quantitatively analyzed under different tip speed ratios and setting angles. …”
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32
Time-Dependent Effects of Glaze Ice on the Aerodynamic Characteristics of an Airfoil
Published 2018-01-01“…The computational fluid dynamic analysis was conducted to investigate the effect of critical ice accretions on a 0.610 m chord NACA 0011 airfoil. Leading edge glaze ice accretion was simulated with flat plates (spoiler-ice) extending along the span of the blade. …”
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33
Numerical Simulation of Aircraft Icing with an Unsteady Thermodynamic Model considering the Development of Water Film and Ice Layer
Published 2022-01-01“…Icing simulations were performed for a NACA0012 airfoil, and the results show acceptable agreement with the data in the literature. …”
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34
Numerical Modeling of Unsteady Cavitating Flows around a Stationary Hydrofoil
Published 2012-01-01“…The objective of this paper is to evaluate the predictive capability of three popular transport equation-based cavitation models for the simulations of partial sheet cavitation and unsteady sheet/cloud cavitating flows around a stationary NACA66 hydrofoil. The 2D calculations are performed by solving the Reynolds-averaged Navier-Stokes equation using the CFD solver CFX with the k-ω SST turbulence model. …”
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Numerical Simulation of Helicopter Rotor Performance Degradation in Natural Rain Encounter
Published 2021-01-01“…CFD simulations are conducted, including the case of NACA 0012 airfoil with 10 m chord length, and the case of SC1095 airfoil used in a full-scale rotor of UH-60A helicopter. …”
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36
Structural Optimization of Vertical Axis Wind Turbine (VAWT): A Multi-Variable Study for Enhanced Deflection and Fatigue Performance
Published 2024-12-01“…The results showed that NACA 0030 airfoil, composite steel, and single-pile foundation performed best under TSR 1.8 conditions, with the potential to reduce strain by approximately 30% and fatigue damage by approximately 25% compared to conventional structures. …”
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Performance Enhancement in Horizontal Axis Wind Turbine Using Blade With Split
Published 2025-02-01“…The blades are designed using NREL's S819 profile at the root section and NACA 63‐415 profile at the middle and tip sections. …”
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Bidirectional Fluid–Structure Interaction Study on Hydrofoil Hardness and Oscillation Mode Optimization
Published 2025-01-01“…A two-dimensional flexible symmetric hydrofoil model of NACA0012 with a chord length of 1 m was constructed for this research. …”
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Characterization of Origin and Evolution of Formation Water in Buried Hill of Jizhong Depression, China, Using Multivariate Statistical Analysis of Geochemical Data
Published 2017-01-01“…The samples were classified into four clusters, C1–C4, in HCA and the hydrochemical types of C1–C4 are HCO3-Na, Cl·HCO3-Na, Cl-Na, and Cl-Na·Ca. From C1 to C2, C3, and C4, the water-rock interaction becomes increasingly intensive, and rNa/rCl gets lower while total dissolved solids and r(Cl-Na)/rMg get higher. …”
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Analisa Eksperimental Pengujian Turbin Angin Propeller Tiga Sudu Horizontal Axis
Published 2021-10-01“…The blade type is based on the NACA 2410 airfoil made of fiber composite and epoxy resin which is very effective at low wind speeds. …”
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