Determining the efficiency of the hot-air engine as a refrigerator

VP2.6.2.3
Determining the efficiency of the hot-air engine as a refrigerator
Determining the efficiency of the hot-air engine as a refrigerator

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Description

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 388182 Hot-air engine LD
1 388221 Accessories for hot air engine for power measurement LD
1 34738 Experiment motor 93 W LD
1 521547 DC Power Supply 0...30 V/0...5 A LD
1 521546 DC Power Supply 0...16 V/0...5 A LD
1 575471  8  Counter S LD
1 33746  8  Fork-type light barrier LD
1 50116 Multi-core cable, 6-pole, 1.5 m LD
1 31327 Hand-held stop-watch, 60s/0.2s LD
1 38235  4  Thermometer, -10...+50 °C/0.1 K LD
1 30002  4  Stand base, V-shaped, small LD
1 30041  4  Stand rod, 25 cm, 12 mm Ø LD
1 59006  8  Plastic beaker LD
2 50133  4  Connecting lead, 32 A, 100 cm, black LD
1 500641  4  Safety connecting lead, 100 cm, red LD
1 500642  4  Safety connecting lead, 100 cm, blue LD
1 388181  8  * Immersion pump LD
1 521231 * Low-voltage power supply 3/6/9/12 V LD
2 667194  4  * Silicone tubing 7 mm Ø, 1 m LD
1 6043131 * Wide-mouthed can 10 l LD

Articles marked with * are not essential, we do however recommend them to carry out the experiment.

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) P2.6.2.3 Determining the efficiency of the hot-air engine as a refrigerator
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