1 of 7

�SUBJECT: TURBO MACHINES�

Unit-V

CENTRIFUGAL PUMPS

​

Presented By

Mr. Shyam S. Darewar

​

2 of 7

Energy Conversion in Centrifugal Pump

2

Suction Pipe

Delivery head (hd)

Suction head (hs)

Static head (Hs)

Vacuum Gauge

Delivery Gauge

Delivery Pipe

Delivery Valve

Pump Shaft

Impeller

Casing

Eye of an Impeller

Tank

HA

`

B

C

D

E

F

Datum Line

(Hs)

(Ha)

(Ha+ Hs)

(H)

hf2

he

h in

A

B

C

A

D

E

F

hf1

Lecture -03 Unit-V– Centrifugal Pumps

Presented By- Mr. Shyam S. Darewar

3 of 7

Work Done by Centrifugal Pump or Impeller on Liquid

3

u2

Vw2

V2

Vf2

Vr2

β

ϕ

V1=Vf1

u1

Vr1

θ

α

Tangent to the Impeller at Inlet

Tangent to the Impeller at outlet

R2

R1

Velocity Triangle for Centrifugal Pump Impeller

Lecture -03 Unit-V– Centrifugal Pumps

Presented By- Mr. Shyam S. Darewar

4 of 7

Work Done by Centrifugal Pump or Impeller on Liquid

4

u2

Vw2

V2

Vf2

Vr2

β

ϕ

V1=Vf1

u1

Vr1

θ

α

Tangent to the Impeller at Inlet

Tangent to the Impeller at outlet

R2

R1

Velocity Triangle for Centrifugal Pump Impeller

Lecture -03 Unit-V– Centrifugal Pumps

Presented By- Mr. Shyam S. Darewar

5 of 7

Work Done by Centrifugal Pump or Impeller on Liquid

5

u2

Vw2

V2

Vf2

Vr2

β

ϕ

V1=Vf1

u1

Vr1

θ

α

Tangent to the Impeller at Inlet

Tangent to the Impeller at outlet

R2

R1

Velocity Triangle for Centrifugal Pump Impeller

Lecture -03 Unit-V– Centrifugal Pumps

Presented By- Mr. Shyam S. Darewar

6 of 7

Work Done by Centrifugal Pump or Impeller on Liquid

6

Lecture -03 Unit-V– Centrifugal Pumps

Presented By- Mr. Shyam S. Darewar

7 of 7

Thank You

7

Lecture -03 Unit-V– Centrifugal Pumps

Presented By- Mr. Shyam S. Darewar