Engg1500 Terminology for Mid term

Descripción

Basic theory on the first 6 weeks of the course. Concentrating on definition of terminology and units!
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What does thermodynamics mean? The word thermodynamics is derived from two Greek words: Thermes - Heat Dynamikos - Energy
What is the first law of thermodynamics? The conservation of energy. "the total amount of energy is a system must remain constant, energy cannot be creates or destroyed but it can be transformed from one form to another"
Definition of a closed system or "control mass" A closed system is a system in which only energy can cross the system boundary in the form of heat or work. No mass can cross the system boundary.
Definition of an open system or "control volume" An open system is a system in which energy can cross the system boundary in the form of heat and work. Mass can also cross over the system boundary.
Definition of an isolated system An isolated system is a system in which neither mass nor energy can cross over the systems boundary.
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