Acta Mechanica Slovaca 2010, 14(1):20-25 | DOI: 10.2478/v10147-011-0003-2

Performance of Closed Type Impeller Designed for Easy Manufacturability

Mária Čarnogurská1, Peter Gašparovič2
1 Faculty of Mechanical Engineering, Technical University in Kosice
2 Air Force Academy in Kosice

The impeller of the semi-open type from a refrigerator unit is redesigned to improve efficiency and to reduce the pressure pulsations of the front case. Therefore, the closed-type impeller with outer shroud is chosen. Dimensions are scaled according to Cordier diagram with rotational speed preserved. The resulting geometry is constrained by requirement of easy manufacturability by injection moulding process. These constrains don't permit to improve efficiency by redesigning impeller.

Keywords: Impeller, throttling characteristics, performance, numerical simulation

Published: March 31, 2010  Show citation

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Čarnogurská, M., & Gašparovič, P. (2010). Performance of Closed Type Impeller Designed for Easy Manufacturability. Acta Mechanica Slovaca, 14(1), 20-25. doi: 10.2478/v10147-011-0003-2
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