P2.6.2.3 Determining the Efficiency of the Hot-Air Engine as a Refrigerator
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Determining the Efficiency of the Hot-Air Engine as a Refrigerator
The experiment P2.6.2.3 determines the efficiency
of the hot-air engine as a refrigerating machine. Here, the hot-air engine with closed cylinder head is driven using an electric motor and Q1 is determined as the electrical heating energy required to maintain the cylinder head at the ambient temperature.
COMPONENTS OF EQUIPMENT SETS:
| 1 | 388 182 | Hot-air engine |
| 1 | 388 221 | Accessories for hot air engine for power measurement |
| 1 | 347 35 | Experiment motor |
| 1 | 347 36 | Control unit for experiment motor |
| 1 | 521 35 | Variable extra-low voltage transformer S |
| 1 | 575 471 | Counter S |
| 1 | 337 46 | Fork-type light barrier |
| 1 | 501 16 | Multi-core cable, 6-pole, 1.5 m |
| 1 | 531 120 | Multimeter LDanalog 20 |
| 1 | 531 130 | Multimeter LDanalog 30 |
| 1 | 313 17 | Hand-held stop-watch II, mechanical |
| 1 | 382 35 | Thermometer, -10...+50 °C/0.1 K |
| 1 | 300 02 | Stand base, V-shaped, small |
| 1 | 300 41 | Stand rod, 25 cm, 12 mm Ø |
| 1 | 590 06 | Plastic beaker |
| 1 | 501 45 | Connecting lead, 19 A, 50 cm, red/blue, pair |
| 3 | 501 33 | Connecting lead, 32 A, 100 cm, black |
| 1 | 388 181 | * Immersion pump |
| 1 | 521 231 | * Low-voltage power supply, 3/6/9/12 V |
| 2 | 667 194 | * Silicone tubing, 7 mm diam., 1 m |
| 1 | 604 313 | * Wide-mouthed can, 10 l |
Articles marked with * are not essential, we do however recommend them to carry out the experiment.
EXPERIMENT INSTRUCTIONS PLEASE CLICK HERE
