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• W2187675821 abstract "The transport phenomena courses (momentum, heat, and mass transfer) in chemical engineering typically contain many mathematical derivations and may often lack practical applications. The use of finite element software can help students visualize solutions and see how parameter changes affect velocity, temperature, and concentration profiles and their corresponding fluxes for design of practical systems. Alternative energy is a rapidly growing research area yet is lacking in available course content for chemical engineering transport phenomena. In this paper we illustrate the use of the finite element method using Comsol Multiphysics 1 (formerly known as FEMLAB) for problems related to the design of fuel cells and their components. As such, we present ready-made tutorials for use in undergraduate transport courses. Introduction and Motivation: The Typical Transport Course As is the case with many core courses in the undergraduate curriculum, courses in fluid mechanics, heat transfer, and mass transfer can be categorized into three generic classifications: 1. Transport phenomena approach – a highly theoretical approach focusing on the derivation of microscopic conservation equations and their solutions, such as that contained in the text of Bird, Stewart, and Lightfoot 2 . 2. Unit operations approach – a highly practical approach focusing on macroscopic balance equations and using them for the design of pumps, heat exchangers, and membranes, such as that contained in the text of McCabe, Smith, and Harriott 3 . 3. A balance between the transport phenomena and unit operations, such as that contained in the text of Geankoplis 4 . At Michigan Technological University, students must complete a two-semester sequence of lecture courses (CM 3110 Transport / Unit Operations 1; CM 3120 Transport / Unit Operations 2). Based upon the title of the course we typically follow the third classification; however, content can vary depending on the instructor. In a recent ASEE paper, Krantz discussed that the above textbooks often focus on simple problems with analytical or numerical solutions, but the development of software for performing computational analysis has allowed instructors of transport phenomena to focus on model development by introducing more complex problems 5 . An additional advantage of the software is that it allows the students to visualize the transport processes taking place. Other studies have also used computers to help students learn concepts in chemical engineering education. This includes that of Thompson 6 , who has used the partial differential equation (PDE) toolbox within MATLAB to visualize steady laminar flow in a finned heat exchanger, transient and steady heat transfer in a finned heat exchanger, and wave propagation in a heterogeneous material. Sinclair 7 has used FLUENT computational fluid dynamics software within the undergraduate curriculum. Besser 8 has used EXCEL spreadsheets to study two-dimensional heat conduction in solid materials. Zheng and Keith 9-10 have developed JAVA applets for unsteady and steady state transport problems. As such, we present a handful of problems developed with the Comsol Multiphysics (formerly known as FEMLAB) finite element method modeling software 1 . We also use the “Chemical Engineering Module” which allows for quick access to the typical governing equations of momentum, heat, and mass transport. Additional modules are also available. As the authors are working on a National Science Foundation project to develop new materials for fuel cell bipolar plates, many of the modules developed here focus solving a variety of fluid mechanics, heat transfer, and mass transfer problems applied to the relatively modern field of fuel cells. After a very brief overview of fuel cells, six modules are presented that may be of use to instructors of transport phenomena courses." @default.
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• W2187675821 date "2007-01-01" @default.
• W2187675821 modified "2023-09-27" @default.
• W2187675821 title "AC 2007-414: FINITE ELEMENT MODULES FOR ENHANCING UNDERGRADUATE TRANSPORT COURSES: APPLICATIONS TO FUEL CELL FUNDAMENTALS" @default.
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