Table 1 Main data of the axial-flow pump.

From: Experimental study and numerical simulation of internal flow dissipation mechanism of an axial-flow pump under different design parameters

Parameters

Value

Design discharge Qdes

360 L/s

Rotating speed n

1450 r/min

Impeller diameter D

300 mm

Blades number of impeller Zi

4

Impeller tip clearance

0.15 mm

Hub ratio dh

0.433

Blades number of guide vanes Zg

7

Inlet pipe inlet diameter

350 mm

Blade angle of impeller

0°

NPSHre

≤ 7 m

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