3B SCIENTIFIC PHYSICS FW 1021534 Instrucciones De Uso página 5

5. Example experiment
Recording a pV diagram for a G-model Stirling
motor using WiLab and Coach 7
Required equipment:
1 Stirling Engine G
1 WiLab
1 Displacement Sensor FW
1 Relative Pressure Sensor FW
±1000 hPa
2 Sensor Cable
1 Sensor Holder for
Stirling Engine G
1 DC Power Supply
0 – 20 V, 0 – 5 A @ 115 V
or
1 DC Power Supply
0 – 20 V, 0 – 5 A @ 230 V
1 set of experiment leads
1 Coach 7 License
Fig. 1 Experiment set-up for recording the pV diagram of a G-model Stirling engine
Set up the experiment as in Fig. 1.

Wrap the thread around the displacement
sensor's pulley as in Fig. 2.

Connect WiLab to the computer, start the
Coach 7 software and load an activity suita-
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ble for the Stirling engine G.
 Connect the Stirling engine's DC motor to the
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DC power supply and set an output voltage of
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6 V so that the Stirling engine operates at me-
dium speed.
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
Only allow the Stirling motor to operate at
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high-speed for short periods so as not to
overstress the displacement sensor.
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
The packaging should be disposed of at local
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recycling points.
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
Should you need to dis-
pose of the equipment
itself, never throw it
away in normal domes-
tic waste. Local regula-
tions for the disposal of
electrical
will apply.
2
6. Disposal
equipment