June 15, 2014
June 15, 2014
June 18, 2014
24.213.1 - 24.213.22
Reinforcement of the Understanding of Fundamental Concept in a Thermodynamics AbstractMost engineering students have difficulty to explain the reasoning behind in theapplication of fundamental concepts used in solving thermodynamics problems. Forexample those students who solve a particular problem correctly, cannot explain why asteady state process is assumed in the problem solution; or why the kinetic and potentialenergies of flow is assumed to be negligible. Many students learn how to approximatethe properties of fluids in the compressed liquid region by their saturation properties, butwhen they are ask why v (T, P) can be approximated by the saturation property vf (T); u(T, P) can be approximated by the saturation property uf (T), why in th cv = du/dt, cp =dh/dT, they cannot provide a valid reasoning. We have developed a series of homeworkassignments and projects to enhance the student understanding of fundamental concepts.This paper will identify many of the areas that students have difficulty to explain thefundamental concepts. It will provide a number of examples and problem statement thatcan be assigned to enhance students understanding of the fundamental concepts.
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