Faculty of Engineering
Department of Mechanical Engineering
Laboratory Report 1
CENTRIFUGAL PUMPS –
CHARACTERISTIC CURVES
Lecturers:
PT Senda & S Pietrangeli
Subject:
Hydraulic Machines (HDM360S)
Date:
10 May 2024
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We swear that this is the original work of the authors. All information obtained directly or
indirectly from other sources has been fully acknowledged.
“
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    We learn through experiments
Aim
Apparatus
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Electric motor
Delivery pipe
Power Transducer
Speed sensor
Suction pipe
Flow meter
Tank
Gate valve
Torque transducer
Procedure
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First close the pipeline connecting the two pumps to ensure only one pump operates (pump
2) by means of a valve
Ensure gate valve is completely open
Efficiency vs Flow Rate Graph
100
Efficiency(%)
75
50
25
0
0
2
4
6
8
10
12
14
12
14
16
Flow Rate (m^3/h)
Power vs Flow Rate Graph
800
700
power(W)
600
500
400
300
200
100
0
0
2
4
6
8
10
Flow Rate (m^3/s)
16
Head vs Flow Rate
350
300
Head(m)
250
200
150
100
50
0
0
2
4
6
8
10
Flow Rate(m^3/h)
12
14
16