Extra notes (Chapter 3) - CEN 1022 Chemical Process...

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CEN 1022 – Chemical Process Principle Ch3:First Law of Thermodynamics RAO Apr ‘05 1 3.0 The First Law of Thermodynamics 1. What is Thermodynamics? 1.1 Thermo – heat, degree of heat 1.2 Dynamics – changes 2. How does thermodynamics relate to Chemical Process Principles? 1.1 Most of chemical processes units (reactors, pumps, compressors, distillation columns, evaporators, filter press) either require or releases energy; in the form of heat or work. 1.2 Describes processes that involve changes in temperature, transformation of energy, relationships between heat and work. 1.3 It is a science, and more importantly an engineering tool, that is necessary for describing the performance of propulsion systems, power generation systems, refrigerators, fluid flow, combustion, etc. . 3. Concept of a thermodynamics system 3.1 A quantity of matter of fixed identity, boundaries may be fixed or movable, can transfer heat and work across boundary but not mass.
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CEN 1022 – Chemical Process Principle Ch3:First Law of Thermodynamics RAO Apr ‘05 2 3.2 Identifiable volume with steady flow in and out, a control volume. Often more useful way to view devices such as
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This note was uploaded on 05/08/2011 for the course ACCOUNTING 121210 taught by Professor Sdasdas during the Spring '10 term at Albany College of Pharmacy and Health Sciences.

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Extra notes (Chapter 3) - CEN 1022 Chemical Process...

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