The full scale model test described here was initiated to examine the effect of suspended air bubbles on the performance of a CGN 38 seawater
circulating pump. A Carver pump*Type 13N, Serial No. 110709, was chosen as the test model. This is a single suction, vertical discharge, horizontal suction pump. It has a single stage impeller and is capable of delivering 3000 gpm at a total dynamic head of 10 psi at 1150 rpm.
The impeller was trimmed by the pump manufacturer to provide the desired head-discharge curve near the rated flow condition.
Naval Sea Systems Command
Engineering Test Services
Naval Ship Engineering Center
Department of the Navy
Washington, D. C. 20362
Killen, John M.; Wetzel, Joseph M..
Effect of Air Ingestion on performance of a Centrifugal Pump.
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