Physics - Thermodynamics 2: Ch 32.1 Def. and Terms (14 of 25) The PVT Surface

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In this video I will explain the PVT surface where pressure, volume, and temperature are graphed in a 3-D diagram.

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I see it! I really see it! After all of this time...when you look at 1 to 2 in the P-V diagram you can see the volume decrease and the pressure increase; therefore, an isothermic process. As we go from 3 to 4 in the P-T diagram we see the temperature and pressure increase while the volume remains the same; hence, an isochoric process. When we go from 5 to 6 in the T-V diagram we can see both the temperature and volume increase while the pressure remains the same; hence, we have isobaric process. Lastly we go from 7 to 8, we can trace the line and as we follow it, we cross a line of volume. Continuing to follow the line, we we cross a pressure line and temperature lines, which is a mix of all three.
When I first attempted Thermodynamics and the new concepts, the class was very difficult to understand and today is a breakthrough! I GOT IT! Thank You!

Aerospaceman

Can I ask, what represents those triangle surfaces on the temperature side and on the top of 3D diagram? (So to say broken lines)

asrorkhujaortikov

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