Cfd modelling of h-darrieus vertical axis wind turbine

LIST OF FIGURES 
Figure 1: Primary energy consumption pattern (based on fuel types) in Bangladesh .......................... 2 
Figure 2: Renewable energy sources and technologies overview ........................................................ 2 
Figure 3: The contribution of different instigated renewable sources in Bangladesh .......................... 3 
Figure 4: A simplified wind power generation mechanism overview .................................................. 5 
Figure 5: The total world capacity of wind power, year 2000–2013 .................................................... 6 
Figure 6: Wind speed of some sites in Bangladesh .............................................................................. 7 
Figure 7: Types of wind turbine ............................................................................................................ 9 
Figure 8: Finite Volume Method grid ................................................................................................. 21 
Figure 9: A typical 2D finite volume grid (rectangular grid) ............................................................. 24 
Figure 10: A typical C
p
 vs λ curve ...................................................................................................... 29 
Figure 11: A typical figure of Moment coefficient as a function of time ........................................... 30 
Figure 12:A Flow chart showing the steps of the CFD simulation..................................................... 33 
Figure 13: NACA 0015 obtained from aerofoil plotter ...................................................................... 35 
Figure 14: NACA 0015 aerofoil imported in the design modeler ...................................................... 35 
Figure 15: Geometry of the H-Darrieus VAWT drawn in design modeler for simulation ................. 36 
Figure 16: Geometry of the three bladed H-Darrieus VAWT ............................................................ 37 
Figure 17: The fluid domain's mesh ................................................................................................... 38 
Figure 18: The Ring Zone’s mesh ...................................................................................................... 38 
Figure 19: Named selection list at the left side of the figure .............................................................. 39 
Figure 20: Named selection list .......................................................................................................... 40 
Figure 21: Power coefficient as a function of number of nodes ......................................................... 48 
Figure 22: Power coefficient as a function of time step size .............................................................. 50 
Figure 23: Validation of the simulation with C
p
 vs λ curve ............................................................... 51 
Figure 24: Velocity contour plot ........................................................................................................ 52 
Figure 25: Velocity contour plot (zoomed) ........................................................................................ 52