Monday, December 23, 2013

Thermodynamic system


A system may be defined as a well defined region in space, which is considered for thermodynamic analysis.Thermodynamic system is classified into three categories.
  1. Closed system
  2. Open system
  3. Isolated system

Closed system:

It has a rigid boundary.Only heat transfer takes place and there will be no mass transfer in a closed system.

eg.: Electric bulb.

Open system:

Both heat and mass transfer take place.

eg.: Compressor, Turbine.

Isolated system:

No heat transfer and no mass transfer.Hence the internal energy of the system remains constant throughout the analysis.

eg.: Thermos flask.

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