Performance Enhancement of H-Type Darrieus VAWT Using a Hybrid Method of Blade Pitch Angle Regulation
Abstract
:1. Introduction
2. Solution Strategy
3. Materials and Methods
3.1. Double Multiple Streamtube Model
3.2. Numerical Modeling and Simulation
3.3. Experimental Validation
4. Results and Discussion
4.1. Impact of Blade Pitch Angle Regulation on H-Type Darrieus VAWT Aerodynamics
4.2. Effect of Blade Pitch Angle Regulation on H-Type Darrieus VAWT Performance
4.3. Self-Starting Behavior of H-Type Darrieus VAWT
4.4. Hybrid Blade Pitch Angle Technique
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
Appendix A
References
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H-Type Darrieus VAWT Specification | Symbol | Value |
---|---|---|
Blade Profile | ------ | NACA0018 |
Blade Shape | ------ | Straight |
Number of blades | N | 3 |
Rotor Radius (mm) | R | 300 |
Blade height (mm) | H | 400 |
Chord length (mm) | C | 250 |
Solidity | σ | 0.191 |
VW | β = −15° | β = −12.5° | β = −10° | β = −7.5° | β = −5° | β = −2.5° | β = 0° | β = 2.5° | β = 5° | β = 7.5° |
---|---|---|---|---|---|---|---|---|---|---|
4 m/s | F-S | F-S | F-S | F-S | F-S | 100 | 110 | 110 | 120 | F-S |
5 m/s | 0 | 0 | 20 | 30 | 70 | 80 | 90 | 110 | 110 | 120 |
6 m/s | 0 | 0 | 0 | 0 | 20 | 50 | 60 | 100 | 110 | 120 |
7 m/s | 0 | 0 | 0 | 0 | 10 | 60 | 60 | 90 | 100 | 120 |
8 m/s | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 80 | 100 | 110 |
9 m/s | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 110 |
10 m/s | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 110 |
11 m/s | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 110 |
12 m/s | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 100 |
13 m/s | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 100 |
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Hammad, M.A.; Mahmoud, A.M.; Abdelrhman, A.M.; Sarip, S. Performance Enhancement of H-Type Darrieus VAWT Using a Hybrid Method of Blade Pitch Angle Regulation. Energies 2024, 17, 4044. https://doi.org/10.3390/en17164044
Hammad MA, Mahmoud AM, Abdelrhman AM, Sarip S. Performance Enhancement of H-Type Darrieus VAWT Using a Hybrid Method of Blade Pitch Angle Regulation. Energies. 2024; 17(16):4044. https://doi.org/10.3390/en17164044
Chicago/Turabian StyleHammad, Mahmood Abduljabbar, Abdelgadir Mohamed Mahmoud, Ahmed M. Abdelrhman, and Shamsul Sarip. 2024. "Performance Enhancement of H-Type Darrieus VAWT Using a Hybrid Method of Blade Pitch Angle Regulation" Energies 17, no. 16: 4044. https://doi.org/10.3390/en17164044