A series of processes in a system which always returns to its initial state. 
A series of processes in a system which always returns to its initial state. 
Related Terms 
LINEARIZATION

CLAUSIUS INEQUALITYThe principle that for any system executing a cyclical process, the integral over the cycle of the infinitesimal amount of heat transferred to the system divided by its temperature is equal to or less than zero. Also known as Clausius theorem; inequality of Clausius. 
COLDAIR MACHINEA refrigeration system in which air serves as the refrigerant in a cycle of adiabatic compression, cooling to ambient temperature, and adiabatic expansion to refrigeration temperature; the air is customarily reused in a closed superatmospheric pressure system. Also known as denseair system. 
CARNOTCLAUSIUS EQUATIONFor any system executing a closed cycle of reversible changes, the integral over the cycle of the infinitesimal amount of heat transferred to the system divided by its temperature equals 0. Also 88 known as Clausius theorem. 
AIR REFRIGERATION SYSTEMA mechanical refrigeration system in which air serves as the refrigerant in a cycle comprising compressor, heat exchanger, expander, and refrigerating core. 
THERMOSTATIC CONTROLDevice which operates system or part of system based on temperature change. 
ECDISElectronic Chart Display and Information System 
FEEDBACK COMPENSATIONImprovement of the response of a feedback control system by placing a compensator in the feedback path, in contrast to cascade compensation. Also known as parallel compensation. 
SELFBAILINGA system of draining water that enters a compartment through scuppers or venturi's. 
SATURABLE SYSTEMA term used to describe a navigation system whose use is limited to a single user or a limited number of users on a time shared basis. 
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