TAILIEUCHUNG - Development and experimental validation of a thermoelectric test bench for laboratory lessons

A prototype test bench has been built and experimentally validated to perform practical lessons of thermoelectric generation and refrigeration. Using this prototype students learn the most effective way of cooling systems and thermal power generation as well as basic concepts associated with thermoelectricity. It has been proven that students learn the process of data acquisition, and the technology used in thermoelectric devices. | Journal of Technology and Science Education DEVELOPMENT AND EXPERIMENTAL VALIDATION OF A THERMOELECTRIC TEST BENCH FOR LABORATORY LESSONS Antonio Rodríguez García, David Astrain Ulibarrena, Álvaro Martínez Echeverri, Patricia Aranguren Garacochea, Gurutze Pérez Artieda Universidad Pública de Navarra, ETSIIT, Dpto. de Ingeniería Mecánica, Energética y de Materiales Spain Received July 2013 Accepted September 2013 Abstract The refrigeration process reduces the temperature of a space or a given volume while the power generation process employs a source of thermal energy to generate electrical power. Because of the importance of these two processes, training of engineers in this area is of great interest. In engineering courses it is normally studied the vapor compression and absorption refrigeration, and power generation systems such as gas turbine and steam turbine. Another type of cooling and generation less studied within the engineering curriculum, having a great interest, it is cooling and thermal generation based on Peltier and Seebeck effects. The theoretical concepts are useful, but students have difculties understanding the physical meaning of their possible applications. Providing students with tools to test and apply the theory in real applications, will lead to a better understanding of the subject. Engineers must have strong theoretical, computational and also experimental skills. A prototype test bench has been built and experimentally validated to perform practical lessons of thermoelectric generation and refrigeration. Using this prototype students learn the most effective way of cooling systems and thermal power generation as well as basic concepts associated with thermoelectricity. It has been proven that students learn the process of data acquisition, and the technology used in thermoelectric devices. These practical lessons are implemented for a 60 people group of students in the development of subject .

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