A new semi-inverse design method for turbomachinery blading is proposed in this paper. Built on a time-marching Reynolds-Averaged Navier-Stokes solver, the proposed design method takes pressure loading, blade tangential thickness, blade stacking line, and flow path contour as prescribed quantities and computes the corresponding three-dimensional blade camber surface. In order to have the option of imposing geometrical constraints on the designed blade shapes, a new algorithm is developed to solve the camber surface at specified spanwise grid-lines, after which the blade geometry is constructed through ruling (e.g. straight-line element) at the remaining spanwise stations. The new semi-inverse algorithm involves re-formulating the boundary condition on the blade surfaces as a hybrid inverse/analysis boundary condition while preserving the fully three-dimensional nature of the flow field. The new design method can be interpreted as a fully three-dimensional viscous semi-inverse method. The ruled camber surface design procedure ensures blade surface smoothness and some control of mechanical integrity, and results in cost reduction for the manufacturing process. The proposed fully three-dimensional semi-inverse method is demonstrated through design modifications of generic industrial mixed-flow and radial impellers which are typically used for gas process applications.
Skip Nav Destination
ASME Turbo Expo 2009: Power for Land, Sea, and Air
June 8–12, 2009
Orlando, Florida, USA
Conference Sponsors:
- International Gas Turbine Institute
ISBN:
978-0-7918-4888-3
PROCEEDINGS PAPER
Fully Three-Dimensional Viscous Semi-Inverse Method for Subsonic Mixed-Flow and Radial Impeller Design Available to Purchase
Michael J. Cave
Michael J. Cave
Solar Turbines Inc., San Diego, CA
Search for other works by this author on:
Min Ji
Solar Turbines Inc., San Diego, CA
T. Q. Dang
Syracuse University, Syracuse, NY
Michael J. Cave
Solar Turbines Inc., San Diego, CA
Paper No:
GT2009-59679, pp. 467-476; 10 pages
Published Online:
February 16, 2010
Citation
Ji, M, Dang, TQ, & Cave, MJ. "Fully Three-Dimensional Viscous Semi-Inverse Method for Subsonic Mixed-Flow and Radial Impeller Design." Proceedings of the ASME Turbo Expo 2009: Power for Land, Sea, and Air. Volume 7: Turbomachinery, Parts A and B. Orlando, Florida, USA. June 8–12, 2009. pp. 467-476. ASME. https://doi.org/10.1115/GT2009-59679
Download citation file:
19
Views
Related Proceedings Papers
Related Articles
Three-Dimensional Inverse Method for Turbomachinery Blading Design
J. Turbomach (April,1998)
A Parametric Study of Radial Turbomachinery Blade Design in Three-Dimensional Subsonic Flow
J. Turbomach (July,1990)
Related Chapters
Mechanical Construction
Turbo/Supercharger Compressors and Turbines for Aircraft Propulsion in WWII: Theory, History and Practice—Guidance from the Past for Modern Engineers and Students
Volutes
Design and Analysis of Centrifugal Compressors
Boundary Layer Analysis
Centrifugal Compressors: A Strategy for Aerodynamic Design and Analysis