Design and Experimental Study of Tesla’s Thermomagnetic Engine
Rubén Rodríguez,
Jhon Amaya,
Alex Estupiñán
Issue:
Volume 4, Issue 2, June 2019
Pages:
33-38
Received:
2 March 2019
Accepted:
15 May 2019
Published:
13 June 2019
Abstract: The scientists have shown great interest in the search for alternative means to generate energy, which are not contaminants and generate significant damage to the environment. One of the quite viable possibilities for this is to consider the construction of thermomagnetic motors, using mainly ferromagnetic materials. These materials are those that for a given temperature value; these lose the magnetic properties they have, that is, to be paramagnetic they become completely diamagnetic during a certain period of exposure to heat. With the objective of demonstrate the Curie’s law applied to this type of materials, we designed the model of an engine that works based on this law, to achieve this the tests of the running system were taken, which were filmed and then analyzed using the program Tracker Video Analysis and Modeling Tool for Physics Education. In this paper, we present the results related to the magnetic and thermodynamic study of the efficiency of a motor designed by us, with the aim of showing the validation of Curie’s law for iron and also being able to obtain the representative characteristics of this material such as magnetization and the Curie’s constant using an experimental method.
Abstract: The scientists have shown great interest in the search for alternative means to generate energy, which are not contaminants and generate significant damage to the environment. One of the quite viable possibilities for this is to consider the construction of thermomagnetic motors, using mainly ferromagnetic materials. These materials are those that ...
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"Improving the Teaching Quality of the Course “Cross-Cultural Communication” Employing CDIO Approach: A Case Study of Vinh University "
Issue:
Volume 4, Issue 2, June 2019
Pages:
39-49
Received:
2 May 2019
Accepted:
12 June 2019
Published:
28 June 2019
Abstract: Over the past decade which marked Vietnam’s deepening international integration, Cross-Cultural Communication has become a crucial and significant course in a large number of curricula at institutions nationwide. The present status of the teaching quality of Cross-Cultural Communication at higher education level in Vietnam and at Vinh University in particular, however, is raising some issues of particular concern, including imbalance between theory and practice of the course syllabus and lack of teaching materials, students’ background and motivation, among other things. By employing both quantitative and qualitative methods, this article attempts to look into the reality of the teaching quality of the course in terms of syllabus and sources, teaching staff, students, facilities and other relevant conditions to serve the training of the course, given Vinh University as a case study. A substantial part of the article digs out merits of CDIO (Conceive, Design, Implement, Operate) approach as fundamental solutions to the improvement of the course teaching. We find that to address the pressing requirements to address the aforementioned problems for better teaching quality of the course, it is vital in the first place to renew teaching methods and assessment and to design of a course book based on CDIO approach.
Abstract: Over the past decade which marked Vietnam’s deepening international integration, Cross-Cultural Communication has become a crucial and significant course in a large number of curricula at institutions nationwide. The present status of the teaching quality of Cross-Cultural Communication at higher education level in Vietnam and at Vinh University in...
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