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Flow Physics Analysis on the Effect of Cambered Airfoil Blades on Vertical Axis Wind Turbines Using CFD

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Emerging Trends in Mechanical Engineering

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

Abstract

One of the promising kinds of renewable energy is wind energy, but not fully exploited till now because of low efficiency of rotors and no power production at slow wind speeds. A vertical axis wind turbine (VAWT) known as H-Darrieus turbine is capable of working efficiently at low speeds and is capable of solving this issue. The design of turbine blade plays an important role in determining the power produced. Multiple experiments involving NACA series of symmetrical airfoils have been conducted to study the performance, but very few studies are available showing the outcome of using the unsymmetrical blade on an H-Darrieus wind turbine. In this paper, the computational study performed on unsymmetrical NACA airfoil blades of varying camber display improved performance. With the increase in camber, the CL value increases up to certain extent, but too much camber can result in decrease in performance.

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Author information

Authors and Affiliations

  1. Department of Mechanical Engineering, NIT Mizoram, Aizawl, 796012, India

    Kanthala Uma Reddy, Bachu Deb, Bidesh Roy & Sheikh Mohammad Rashid

Authors
  1. Kanthala Uma Reddy
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  2. Bachu Deb
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  3. Bidesh Roy
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  4. Sheikh Mohammad Rashid
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Corresponding author

Correspondence to Kanthala Uma Reddy .

Editor information

Editors and Affiliations

  1. Indian Institute of Technology Madras, Chennai, Tamil Nadu, India

    L. Vijayaraghavan

  2. JNTUA College of Engineering, Anantapur, Andhra Pradesh, India

    K. Hemachandra Reddy

  3. Srinivasa Ramanujan Institute of Technology, Anantapur, Andhra Pradesh, India

    S. M. Jameel Basha

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Uma Reddy, K., Deb, B., Roy, B., Rashid, S.M. (2020). Flow Physics Analysis on the Effect of Cambered Airfoil Blades on Vertical Axis Wind Turbines Using CFD. In: Vijayaraghavan, L., Reddy, K., Jameel Basha, S. (eds) Emerging Trends in Mechanical Engineering. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-32-9931-3_55

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  • DOI: https://doi.org/10.1007/978-981-32-9931-3_55

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-32-9930-6

  • Online ISBN: 978-981-32-9931-3

  • eBook Packages: EngineeringEngineering (R0)

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