P2.6.2.4 pV Diagram of the Hot-Air Engine as a Heat Engine - Recording and Evaluating with CASSY

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P2.6.2.4  pV Diagram of the Hot-Air Engine as a Heat Engine - Recording and Evaluating with CASSY

In the experiment P2.6.2.4, the pV diagram of the hot air engine as a heat engine is recorded using the computer-assisted measured value recording system CASSY. The pressure sensor measures the pressure p in the cylinder and a rotary motion sensor measures the position s, from which the volume is calculated, as a function of the time t. The measured values are displayed on the screen directly in a pV diagram. In the further evaluation, the mechanical work performed as piston friction per cycle

and from this the mechanical power

are calculated and plotted in a graph as a function of the no-load speed.

COMPONENTS INCLUDED IN SET UP:

1 388 182 Hot-air engine
1 562 11 U-core with yoke
1 562 121 Clamping device with spring clip
1 562 21 Mains coil, 500 turns
1 562 18 Coil, 50 turns, extra-low voltage
1 524 013 Sensor-CASSY 2
1 524 220 CASSY Lab 2
1 524 082 Rotary motion sensor S
1 524 064 Pressure sensor S, ±2000 hPa
1 309 48 Fishing line
1 352 08 Helical spring 25 N/m
2 501 33 Connecting lead, 32 A, 100 cm, black
1 additionally required:
PC with Windows XP/Vista/7/8/10 (x86 or x64)
1 388 181 * Immersion pump
1 521 231 * Low-voltage power supply 3/6/9/12 V
2 667 194 * Silicone tubing 7 mm Ø, 1 m
1 604 3131 * Wide-mouthed can 10 l
1 520 8105 * Virtual experiment: Hot-air engine pV diagram of the hot-air engine as a heat engine