A One-Dimensional Flow Analysis for the Prediction of Centrifugal Pump Performance Characteristics

Table 1

Pump input-parameters.

	Input parameter	Value
Impeller	𝐷1𝐷2	0.5
	𝑏2𝐷2	0.121
	𝑏1𝑏2	1
	𝜖2	0.95
	𝑦𝐺=^0𝐷2/2	0.05
	Re2=𝑢2⋅𝐷2/2𝜈; 𝐷2=0.209m; 𝑁=1450rpm; 𝜈=10^−6m^2/s water	1.16∗10^6
	𝜅𝐷2; (𝜅=0.0001m)	0.000478
Blades	𝑍	4
	𝛽𝑏2	164°
	𝛽𝑏1	164°
	𝐷3𝐷2	1.05
	𝑏3𝑏2	1.05
Volute	𝛼𝑉	7°
	𝛼th	4°
	𝐶𝑑𝑉	0.8
Eye	𝐷eye𝐷th	1
	𝑦𝑐𝐷eye	0.005
	𝐶dL	0.6
	𝐶eye	1.0