Add blade span from Rawlings (2008)
Add blade span from Rawlings (2008)

petebachant/CFT-array-turbinesFoam,petebachant/UBC-VAT-turbinesFoam,petebachant/UBC-VAT-turbinesFoam,petebachant/CFT-array-turbinesFoam,petebachant/UBC-VAT-turbinesFoam,petebachant/CFT-array-turbinesFoam