Unresolved Problems in Thermodynamics

In summary, there are several unresolved problems in thermodynamics, including the applicability of the second law to individual particles, the existence of negative absolute temperature, and the relationship between thermodynamic irreversibility and the arrow of time. These problems are being addressed through theoretical analysis, computer simulations, and experimental techniques, as well as exploring new areas of research such as quantum thermodynamics. Solving these problems could lead to a better understanding of fundamental physical laws and principles, potential technological advancements, and implications for our understanding of the universe. While there are proposed solutions, none have been universally accepted, highlighting the limitations of our current understanding and the need for further research.
  • #1
Geremia
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0
What are some currently unresolved problem in thermodynamics? Thanks
 
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  • #2
The biggest unsolved problem is Non-equilibrium thermodynamics.
 
  • #3
Andy Resnick said:
The biggest unsolved problem is Non-equilibrium thermodynamics.
What specifically about it? What are some of the top papers exploring non-equilibrium thermodynamics? Thanks
 
  • #4
Pretty much *everything* about nonequilibrium thermodynamics is unsolved- one simple problem is to define 'temperature', for example.

As for 'top papers', there is no shortage of papers, monographs, and books- many available online for free. Try a few, decide which 'makes sense' or speaks to you in a simple way, and read it carefully.
 
  • #5


I can say that there are still some unresolved problems in thermodynamics that continue to intrigue and challenge researchers in this field. Some of these problems include:

1. The origin of irreversibility: Thermodynamics is based on the concept of irreversibility, which states that certain processes cannot be reversed. However, the origin of this irreversibility is still not fully understood and remains a topic of debate and research.

2. The nature of heat: Heat is a fundamental concept in thermodynamics, but its exact nature is still not fully understood. Some theories suggest that heat is a form of energy, while others propose it to be a substance. This debate remains unresolved.

3. The relationship between thermodynamics and quantum mechanics: While thermodynamics deals with macroscopic systems, quantum mechanics deals with microscopic systems. The interplay between these two theories is still not fully understood, and there is ongoing research to reconcile them.

4. The second law of thermodynamics and the universe: The second law of thermodynamics states that entropy (disorder) always increases in a closed system. However, some theories suggest that the universe as a whole is a closed system, which would mean that the entropy of the universe should be constantly increasing. This poses a challenge to our current understanding of the second law.

5. The thermodynamics of small systems: Traditional thermodynamics deals with macroscopic systems, but with advancements in nanotechnology, researchers are now exploring the thermodynamics of small systems. This presents new challenges and unresolved problems in understanding the behavior of these systems.

Overall, thermodynamics is a complex and ever-evolving field, and these unresolved problems serve as a reminder of the continuous quest for knowledge and understanding in science.
 

1. What are some examples of unresolved problems in thermodynamics?

Some examples of unresolved problems in thermodynamics include the question of whether the second law of thermodynamics applies to individual particles, the existence of negative absolute temperature, and the connection between thermodynamic irreversibility and the arrow of time.

2. How are these unresolved problems being addressed in current research?

Scientists are using a combination of theoretical analysis, computer simulations, and experimental techniques to investigate and better understand these unresolved problems in thermodynamics. They are also exploring new areas of research, such as quantum thermodynamics, to gain new insights into these challenges.

3. What are the potential implications of solving these unresolved problems?

If these unresolved problems in thermodynamics are solved, it could lead to a better understanding of fundamental physical laws and principles, and potentially pave the way for new technologies and applications. It could also have implications for our understanding of the universe and its origins.

4. Are there any proposed solutions to these unresolved problems?

There are various proposed solutions to these unresolved problems, but none have been universally accepted by the scientific community. Some theories, such as the Many-Worlds Interpretation, attempt to explain the arrow of time and thermodynamic irreversibility. Others propose modifications to existing laws, such as the generalized second law of thermodynamics.

5. How do these unresolved problems impact our current understanding of thermodynamics?

These unresolved problems highlight the limitations of our current understanding of thermodynamics and the need for further research and development. They also serve as a reminder that science is an ongoing process and that our understanding of the natural world is constantly evolving.

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