Abstract
ABSTRACT This paper presents a series of numerical simulations intended to determine whether the use of CFX, a commercially available computational fluid dynamics software may provide a viable alternative to the use of physical models for predicting the occurrence of vortices and swirl in pump intakes. Single pump sump experimental data are used for validating the CFX analysis. Experimental setup for the Sea-Chest model of scale 1:4 was fabricated and experiments are conducted for different parameters like baffle positions, suction pipe spacing and suction depths. Velocity measurements and dye injections were used to characterize the flow in the physical model. In experimental runs presence of the vortices were observed. Results from experimental investigation and from CFX simulations are compared to obtain optimal parameters. With these optimal parameters CFX analysis is made for the SEA-Chest prototype size.
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