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Articles by N.D. Mittal
Total Records ( 3 ) for N.D. Mittal
  Nitin Tenguria , N.D. Mittal and Siraj Ahmed
  The blade of a wind turbine is very important component of the rotor. Now days the use of wind turbine generator has rapidly spread as the clean energy recourse and its size is also getting larger. Because of the difficulty of the maintenance of such large wind turbine blade the model analysis becomes important. In this work, the model analysis is done on a blade of length 38.95 m which is designed for V82-1.65MW horizontal axis wind turbine (supplied by Vestas). The airfoil taken for the blade is NACA 634-221 which is same from root to tip. For doing this model analysis five shapes of spar are used. This analysis is done on finite element analysis software ANSYS 12.0. This approach gives satisfactory results and can be used for vibration analysis of turbo machinery blades and helicopter rotor blades. Natural frequency is lower in the case single web spar.
  Avadesh K. Sharma and N.D. Mittal
  A review on stress and vibration analysis of composite plates is presented in this study. The literature review is devoted on the free vibration and dynamic analysis, buckling analysis, failure analysis of composite laminated plates. Optimization is also considered in this review. The future research is summarized finally.
  N. Tenguria , N.D. Mittal and S. Ahmed
  The utilization of wind energy is not a new technology but draws on the rediscovery of a long tradition of wind power technology. It is no longer possible now to tell from the remainders of historical wind power plants just how important a role wind power played in the past. In this study a comprehensive review of wind turbine is presented. The objective of this literature is to review available literature for blade design, wind turbine airfoils and rotor wakes, Aerodynamic behavior of wind turbine and fatigue design of wind turbine rotor. Review on optimization is also taken in this work. The article reviews the details of design and optimization aspect of rotor of horizontal axis wind turbines.
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