If the system is isolated from the surroundings and then there is also no variation of properties in the system, then it said to call a thermodynamic equilibrium. There are three varieties of thermodynamic equilibrium:

1. Thermal Equilibrium
2. Mechanical Equilibrium
3. Chemical Equilibrium.

 1.7.1 Thermal Equilibrium

When the temperature is uniform all through the system, then the system is said to have a thermal equilibrium.

1.7.2 Mechanical Equilibrium

This process takes place when the pressure at all the parts of the system is uniform all over, then the system is said to have a mechanical equilibrium.

1.7.2 Chemical Equilibrium

This system is to be happen when there is no chemical reaction like diffusion or any transmission of matter in the system, then it is called chemical equilibrium.

Links of Previous Main Topic:-

• Linear momentum
• Force mass acceleration
• Simple stress introduction
• Normal strain
• Statically indeterminate system
• Introduction to thermodynamics
• Macroscopic and microscopic point of view
• Concepts of systems
• Control volume and control surface
• Homogeneous and heterogeneous systems
• 1 6 1 property
• Thermodynamic equilibrium

Links of Next Mechanical Engineering Topics:-

• Processes cycles
• Quasi static process
• 1 10 1 reversible process
• Statement of zeroth law of thermodynamics with explanation
• Heat and work introduction
• First law of thermodynamics for a control mass closed system undergoing a cycle
• Open system and control volume
• Conversion of work into heat

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