Closed System is 1) a type of thermodynamic system that can exchange energy (as heat or work) but does not matter with an outside system where mass is conserved within the boundaries of the system, but energy is allowed to freely enter or exit the system; 2) in electric (electric closed system or electric closed circuit), is an electric circuit through which current can flow in an uninterrupted or endless path.
Related Definitions in the Project: The Process Engineering
