Main dimensions

dN

Hub diameter dN

m

dS

Suction diameter dS

m

d1

Inlet diameter (leading edge) d1

m

b1

Inlet width (leading edge) b1

m

d2

Impeller diameter d2

m

b2

Impeller outlet width b2

m

nBl

Number of blades nBl

-

Meridional contour

LEHub

Leading edge position on hub (0…1)

-

LEShroud

Leading edge position on shroud (0…1)

-

LEHubSpl

Splitter leading edge position on hub (0…1)

-

LEShroudSpl

Splitter leading edge position on shroud (0…1)

-

Blade properties

ProfCt

Number of blade profiles

-

Beta1

Blade angles at leading edge β1

°:°:°…

Beta2

Blade angles at trailing edge β2

°:°:°…

Beta1Spl

Splitter blade angles at leading edge β1,Spl

°:°:°…

Beta2Spl

Splitter blade angles at trailing edge β2,Spl

°:°:°…

Mean lines

dPhiSpl

Splitter trailing edge position (tangential) between neighboring main blades

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