A Virtual Prototyping Approach Based on DOE Analysis to Support the Design of a Centrifugal Impeller
The development of appliances focuses on more efficient and high functionality products. The recent European legislation limits energy consumption for several domestic devices, including kitchen hoods which encloses an impeller moved by an electrical motor. A correct impeller design is important to guarantee fluid dynamic performance and the reduction of resistance torque in a cooker hood system. The traditional design approach is based on pilot manufacturing and related experimental tests. This paper aims to present a methodology design for centrifugal impellers integrating a multi-level approach based on a Virtual Prototyping tool, Design of Experiments (DOE) method and Rapid Prototyping system in order to support the project design. The proposed research has been validated during the design of a fan wheel for domestic cooker hoods. A DOE approach, based on main impeller parameters, has been applied to the virtual experiment with CFD tool to reduce cost and time-to-market.
Keywordsimpeller kitchen hood Virtual Prototyping Design of Experiments Rapid Prototyping
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