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- Add contour, name it pressure contour
- Choose pressure
- Change # of contours to 110
- Go in render and uncheck lighting
To plot the pressure distribution at a cross section of the blade:
- Make sure to have only 1 graphical instance of the blade
- Create a plane
- Set method to YZ plane
- Set X to desired value (Note that blade is in -x direction)
- Adjust view
- Click +X on the bottom right triad
- Create a pressure contour
- Set location to the plane just created
- Make sure the variable is pressure
- Specify min and max values to show high/low pressure regions
- Go under the 'view' tab and check 'apply rotation'
- Set axis to X
- Set angle to 90 degrees
To plot the variation of pressure along the axis of rotation:
- Create a line to represent the z-axis (axis of rotation)
- Name it 'AxisRotation'
- Set Point 1 to (0,0,90)
- Set Point 2 to (0,0,-180)
- Change # of samples to 200
- Create a chart
- Under 'data series', create a new data series
- Set location to the line 'AxisRotation'
- Under 'x axis', set variable to Z
- Check 'invert axis' because wind is traveling in -Z direction
- Under 'y axis', set variable to Pressure
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Torque
Let's now find the torque that the fluid is generating on the blade.
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