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Thermodynamic work Presentation.pptx
Thermodynamic Work
Evaluation criteria
describe ways to change the internal energy;
determine the work on the schedule of pressure versus volume P(V)
apply the formula of work in thermodynamics
https://www.youtube.com/watch?v=Xcrco59p40o
A = F ·d ·cosΘ
Thermodynamic WOrk
1) Isochoric process(V=const)
Thermodynamic Work
2) Isobaric process ( )
V1
V2
The work in thermodynamics is numerically equal to the area of the figure below the process graph in the p (V) coordinates!
Gas operation in the isobaric process
Gas before expansion and after
The work of gas A is equal to the area under the curve P (V)
A = p ΔV = p (V2-V1)
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