Centrifugal pump is a typical turbomachinery, which transfers mechanical energy to hydraulic energy through the rotational motion of impeller blades. It is commonly used and generally operated at a very high efficiency. Therefore, it would seem that theoretical discussion of performance and experimental observations of internal flow conditions inside the pump should be fully understood by now. However, it appears that neither the basic expressions nor the theoretical design methods are that clear. For example, the most fundamental definition of pump head, which is the most important equation in pump textbooks, is not often well explained. The purpose of this oral presentation is to share preliminary results of on-going studies on the energy transfer in centrifugal pumps.
An Investigation on Mechanical Energy Supply in Rotating Flow Passage of Centrifugal Pump
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Tanaka, T. "An Investigation on Mechanical Energy Supply in Rotating Flow Passage of Centrifugal Pump." Proceedings of the ASME 2003 Pressure Vessels and Piping Conference. Aging Management and Component Analysis. Cleveland, Ohio, USA. July 20–24, 2003. pp. 203. ASME. https://doi.org/10.1115/PVP2003-2172
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