Design of a Double-Suction Volute Pump

Design Targets

• Analysis of a complete double-suction pump stage including inlet duct and volute.

• Redesign the pump impeller to achieve target pump head and efficiency at design and off-design conditions.

Deliverables
Redesigned impeller geometry and pump performance characteristics

Impact
Required stage performance was met with improvement in stage efficiency

Double Volute Pump

Fig.1: Double-suction pump stage configuration

Fig.2: Redesigned double-suction pump impeller

Fig.3: Blade to blade pressure contours in the impeller

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