Thermodynamic system
Thermodynamics is the science relating heat and work transfers and the related changes in the properties of the working substance. The working substance is isolated from its surroundings in order to determine its properties.
SYSTEM
Thermodynamic system is defined as a quantity of matter or a region in space upon which attention is concerned in the analysis of a problem.
- A system may be either an open one, or a closed one, referring to whether mass transfer or does not take place the boundary.
Everything external to system is call surrounding or the environment.BOUNDARY
A physical or imaginary surface, enveloping the system and separating it from the surroundings.
- The boundary may be either fixed or moving.
A system and surrounding together comprise a universe.
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