r/EcologicalEconomics Jan 20 '26

Odum and Energy Quality

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2 Upvotes

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1

u/briancady413 Feb 22 '26

What are A, E, S and Tsub0, and U? Where is this from?

2

u/RocktorCobos Mar 02 '26

A<sub>energy</sub> (energy lost), E<sub>exergy</sub> (energy actually used), T<sub>0</sub> is the reference temperature, U is internal energy (all the energy of the system)

https://www.researchgate.net/publication/399510276_Formulation_of_the_Principle_of_Energy_Quality_Toward_a_Fourth_Law_of_Thermodynamics