ENBUS204 Lecture 8: Lecture 8
27 Oct 2016
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Document Summary
Substance: any chemical element or compound composed of uniform units: all substances are characterized by unique and identical constituents and are thus, homogenous, examples: co2, steel. Material: formed by substance(s: examples: cement, air, wood, steel. In mfa, material serves as an umbrella term for both substances and goods. Good: an economic entity of matter with a positive or negative economic value: goods are made up of one or several substances. Process: the transformation, transportation or storage of materials: examples (transformation processes): human body, private households, manufacturing plant. Flow: mass flow rate: this is the ratio of mass per time that flows through a conductor. In mfa, elements are processes, interactions are flows of goods.
