publication . Part of book or chapter of book . 1987

Rotordynamic Forces on Centrifugal Pump Impellers

Franz, R.; Arndt, N.; Caughey, T. K.; Brennen, C. E.; Acosta, A. J.;
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  • Published: 01 Jan 1987
  • Publisher: Akadémiai Kiadó
  • Country: United States
Abstract
The asymmetric flow around an impeller in a volute exerts a force upon the impeller. To study the rotordynamic force on an impeller which is vibrating around its machine axis of rotation, the impeller, mounted on a dynamometer, is made to whirl in a circular orbit within the volute. The measured force is expressed as the sum of a steady radial force and an unsteady force due to the eccentric motion of the impeller. These forces were measured in separate tests on a centrifugal pump with radically increased shroud clearance, a two-dimensional impeller, and an impeller with an inducer, the impeller of the HPOTP (High Pressure Oxygen Turbopump) of the SSME (Space Sh...
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Part of book or chapter of book . 1987
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