Thermodynamics System-Closed, Open, Isolated system with example, PDF

Are you looking for the Thermodynamics system? So today we will study Open, Closed, Isolated system with example and, PDF. Here you will get the articles of Mechanical Engineering in brief with some key points and you will get to know an enormous amount of knowledge from It. So If you find this articles helpful, please let us know in the comment box, either if any correction required too, also let us know in the comment box.

Thermodynamics System:

A thermodynamic system is defined as a quantity of matter or a region in space upon which attention is concentrated in the analysis of a problem.

Before going to move on the definition of Surrounding, Boundary, Universe first considers a system as shown in the figure:

Everything external to the system is called Surrounding.

The system is separated from the surrounding by the System Boundary. This may be either fixed or moving.

The system and surrounding together it comprises the Universe.

3 Types of a Thermodynamic System which are:

Thermodynamics system

Closed system:

Mass is fixed. No mass can cross the boundary of the system. This is also called a Control Mass system.

Heat energy can be exchanged to its surrounding.

“A closed system is defined as in which the mass is fixed (No mass can cross the boundary of the system) and heat energy can be transfer to its surrounding.”

Example:

Piston cylinder arrangement without valves. other examples

Putting a lid on the saucepan makes the saucepan a closed system. By putting a lid on the saucepan, the matter can no longer transfer because the lid prevents the matter from entering the saucepan and leaving the saucepan-This example you will understand when you read open system examples. So now Open system,

Open system:

Mass is not fixed. Mass can cross the boundary of the system. This is also called a Control volume system.

Heat energy also can be exchanged to its surrounding.

“An open system is defined as in which the mass and heat energy can be transfer to its surrounding.”

Example: 

Boiling soup in an open saucepan on a stove, the energy and matter are being transferred to the surroundings through steam, this is an example of an open system. 

An air compressor, Turbine.

Isolated system:

Mass is fixed. No mass can cross the boundary of the system. This is also called a Control Mass system.

Heat energy also can not be exchanged to its surrounding.

“An isolated system is defined as in which the mass is fixed (No mass can cross the boundary of the system) and as well  heat energy can not be transferred to its surrounding.”

Example:

A thermos flask (But in reality this system does not exist because the hot water in this can not remains hot forever)

“Boiler-Definition, Fuel used, Types or Classification in details, Parts, Boiler Mounting, Accessories, Function, Application, PDF

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