Is there any way for the entropy to increase in an closed adiabatic sy

[Dili]

1) Is there any way for the entropy to increase in an closed adiabatic syatem?

2) what are the mechanisms of entropy generation within a closed thermodynamic system?

Thank you

 

[Claude Bile]

Just off the top of my head...

1. I think so - the usual example of a partition separating two different pockets of gas comes to mind.

2. Statistics, it is simply more likely for a system to be in a disordered state in an ordered one. That's not to say that a system is guaranteed to increase in entropy, it is just overwhelmingly likely in cases (such as mixing gases) where the number of particles in the system is very large.

Claude.

 

[astrokreng]

for your questions. I can confirm that there are ways for the entropy to increase in a closed adiabatic system, although it may seem counterintuitive at first. Entropy is a measure of the disorder or randomness in a system, and it tends to increase over time due to natural processes.

One way for entropy to increase in a closed adiabatic system is through irreversible processes, such as friction or diffusion. These processes result in energy being converted into heat, which increases the randomness of the system and thus increases its entropy.

Another mechanism for entropy generation in a closed system is through mixing or separation of different components. This can be seen in the diffusion of gases or the mixing of liquids, where the molecules become more randomly distributed, leading to an increase in entropy.

It is important to note that in a closed adiabatic system, there is no exchange of heat or matter with the surroundings, so any increase in entropy must be due to internal processes within the system itself.

In summary, while a closed adiabatic system may seem isolated and unchanging, there are still mechanisms at work that can lead to an increase in entropy over time. These processes are fundamental to our understanding of thermodynamics and play a crucial role in many natural phenomena.