Entropy Change in Time of Universe

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SUMMARY

The discussion centers on the concept of entropy change in the universe, specifically questioning whether there exists a constant rate of entropy increase, akin to the equation ##\frac {dS}{dt}##. Participants agree that while entropy in closed systems can be quantified, defining a constant entropy change for the universe is problematic. The consensus is that the time derivative of entropy is not constant, reflecting the complexities of universal thermodynamics.

PREREQUISITES
  • Understanding of thermodynamics principles
  • Familiarity with entropy and its mathematical representation
  • Knowledge of closed systems in physics
  • Basic grasp of the laws of thermodynamics
NEXT STEPS
  • Research the Second Law of Thermodynamics and its implications for entropy
  • Explore the concept of entropy in closed versus open systems
  • Study the mathematical formulation of entropy change over time
  • Investigate the implications of entropy in cosmology and the fate of the universe
USEFUL FOR

Physicists, students of thermodynamics, and anyone interested in the fundamental principles governing the universe's entropy and thermodynamic behavior.

Arman777
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Is there something like ##\frac {dS\dt}=...## Like in the general system,

I know its always positive but I want to know is there any constant quantity of the universe like universe entropy increases amount of 45J/C or something like that.Or it depends only the knows closed systems which we ca find numerical values.
Thanks
 
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No.
It is problematic to define an "entropy of the overall universe", but no matter what you do, the time derivative is not constant.
 
mfb said:
No.
It is problematic to define an "entropy of the overall universe", but no matter what you do, the time derivative is not constant.
Yeah you are right it cannot be constant.I see well thanks then
 

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