Domestic Windmill Blades Design and Analysis

Authors

  • G. Balaji  Assistant Professor, Department of Mechanical Engineering, SKD Engineering College, Gooty, Andhra Pradesh, India
  • G. Chandra Sekhar  Assistant Professor, Department of Mechanical Engineering, SKD Engineering College, Gooty, Andhra Pradesh, India

Keywords:

Airfoil Cross-Section, Coefficient Angle, E-Glass Epoxy, MNRE, VAWT, NACA

Abstract

The optimum twist of a windmill blade is examined on the basis of elementary blade element theory. For a given wind speed and blade angular velocity, it is shown that the maximum power efficiency is achieved when the blade is twisted according to a program that depends upon the variation of the sectional lift and drag coefficients with angle of attack. Results for a typical airfoil cross-section show that the optimum angle of attack decreases from the maximum-lift-coefficient angle of attack at the blade root to greater than eighty percent of this value at the blade tip. The materials used were stainless steel, e-glass epoxy and gray cast iron and results were tabulated.

References

  1. "FABRICATION AND EVALUATING THE PERFORMANCE OF SMALL SIZE WIND TURBINE BLADES with R21 and R22 Profiles” by T. Vishnuvardhan and B. Durga Prasad, DOI-AA072011006 July 2011.
  2. "DELAMINATION BUCKLING ANALYSIS FOR DESIGN OF HORIZONTAL AXIS WIND TURBINE (HAWT) COMPOSITE BLADES” by H. Ghasemnejad, A. Maheri.
  3. E.N. Jacobs, K.E. Ward, & R.M. Pinkerton. NACA Report No. 460, "The characteristics of 78 related airfoil sections from tests in the variable-density wind tunnel" (http:/ / hdl. handle. net/ 2060/ 19930091108). NACA, 1933.
  4. "FINITE ELEMENT ANALYSIS AND EXPERIMENTAL INVESTIGATIONS ON SMALL SIZE WIND TURBINE BLADES” by T.Vishnuvardhan, Dr.B.Durga Prasad, Volume3, Issue3, September- December (2012), pp.493-503? IAEME: Journal Impact Factor (2012): 3.8071 (Calculated by GISI)
  5. Text Book Power Plant Engineering by R.K .Rajput. Lakshmi Publications.
  6. Text Book Power Plant Engineering by Domakunduvaran& Domakunduvaran by Dhanapat Rai Publications
  7. Text Book Renewable Energy Sources, Twidell & Weir
  8. Text Book Power form NON-Conventional Energy Sources.
  9. Composite Materials Science and Engineering, Kishan K. Chawla, Springer
  10. Renewable energy resources, Tiwari and Ghosal, Narosa.
  11. Non-Conventional Energy Sources , G.D. Rai

International Journal of Scientific Research in Science and Technology

Downloads

Published

2017-10-31

Issue

Volume 3, Issue 7, September-October-2017

Section

Research Articles

License

Copyright (c) IJSRST

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

[1]
G. Balaji, G. Chandra Sekhar "Domestic Windmill Blades Design and Analysis " International Journal of Scientific Research in Science and Technology(IJSRST), Online ISSN : 2395-602X, Print ISSN : 2395-6011,Volume 3, Issue 7, pp.526-534, September-October-2017.