Sci. Tech. Energ. Transition
Volume 78, 2023
|Number of page(s)||11|
|Published online||17 February 2023|
NACA2412 airfoil based method for design and aerodynamic analysis of small HAWT using modified BEM approach
Madanapalle Institute of Technology & Science, Post-Angallu, Madanapalle 517325, Andhra Pradesh, India
2 Katihar Engineering College, Katihar, Bihar 854109, India
* Corresponding author: email@example.com
Accepted: 24 November 2022
Efficient utilization of wind energy depends on careful selection and suitable design of Wind Turbine (WT) blades. Small scale Wind Turbines (SWT) normally operate in the low range of Angle of Attack (AoA). This makes the task even more difficult for designing and optimization of WT blades. This article deals with an airfoil based computational approach to design the blade for a standalone small scale Horizontal Axis Wind Turbine (HAWT). A procedure has been proposed to find the important parameters and analyze the performance characteristics for a three bladed HAWT operating under the wake rotation. Computational code has been written to find optimum blade profile. Twist angle variation, chord length and other related parameters are determined with the help of program. Comparison between different types of airfoil has been made to figure out the most suitable one. Airfoil selection and design approach are intended to make Wind Turbine blade efficient specially under low range of AoA. Characteristics of the Wind Turbine obtained analytically from this procedure are compared with several other reported earlier in some of the literatures. The result obtained by the proposed procedure is simpler and more efficient than BEM theory – a method normally employed for blade design.
Key words: Small Wind Turbine / Aerodynamics / Blade designing / Airfoil / Lift and drag coefficient / Chord / Twist
© The Author(s), published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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