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► Impeller

This chapter describes in detail the design process for all impeller type components featured in CFturbo.

The content reflects the design steps in the sequence they are encountered during the design process.

Design steps

¢ Main dimensions

¢ Meridional contour

¢ Mean line design

¢ Blade properties

¢ Blade mean lines

¢ Blade profiles

¢ Blade edges

¢ Airfoil/ Hydrofoil design

¢ Blade properties

¢ Blade profiles

¢ Blade sweep

¢ CFD setup

¢ Model settings

¢ Model finishing

¢ Remove design steps


Possible warnings


Possible solutions

Neighboring blades are intersecting each other.

(see message)

Numerous details of the design influence the blade shape. Some examples for possible solutions:

Modify main dimensions

Reduce number of blades

Reduce blade wrap angle

Reduce blade thickness