Abstract

The tip clearance influence of an unshrouded backswept impeller on the three-dimensional viscous flow field and performance was studied numerically by using a fourth-order Rounge-Kutta three-dimensional viscous code. Three-dimensional viscous code was used for the detailed flow field and performance studies of the unshrouded and the shrouded centrifugal impeller. The numerical results reveal that the unshrouded impeller discharge velocity profiles are comparatively smooth at design and off-design operating condition, which is widely different from the well-known jet/wake-type flow pattern. The tip-clearance effect should be properly modeled to predict the impeller flow pattern properly. The performance of the shrouded impeller is better than that of the unshrouded impeller due to the tip clearance.

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.