A Three Dimensional-System of Units | ||
| The International Conference on Applied Mechanics and Mechanical Engineering | ||
| Article 44, Volume 14, 14th International Conference on Applied Mechanics and Mechanical Engineering., May 2010, Pages 1-10 PDF (286.39 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/amme.2010.37663 | ||
| Author | ||
| Salama Abdelhady | ||
| South Valley University. | ||
| Abstract | ||
| Abstract: In recent years; scientific literatures as textbooks and journals have considered the SI system of units as undesirable in fundamental researches because the SI units of many physical quantities do not correspond to current scientific theories. This paper offers a new system that eliminates redundancies found in the SI system by involving physical concepts that found, by following an entropy approach, common features of the thermal, electrical and magnetic fluxes. The electric potential and the magnetic potentials were expressed as qualities of the electric charge and the magnetic flux in analogy to the temperature that represents, as stated by the second law of thermodynamics, the quality of heat. According to published experimental results; the electric or the magnetic potentials generates an E.M.F. through an Al-Fe thermocouple similar to the E.M.F. generated by a temperature difference in such thermocouple. So; the introduced system considers the generated E.M.F. as a unique dimensionless scale for measuring the qualities or the potentials of the considered energy fluxes. Accordingly, the introduced system of units is based only on three dimensions; E, L, and T, and four fundamental units; Joule, meter, second and the Volt. The postulated system of units introduces also a modified fundamental thermodynamic-equation that offers plausible explanations of the prevailing energy-system interactions in the fields of thermodynamics, electromagnetism and thermo-chemistry | ||
| Keywords | ||
| Dimensions; units; Potentials; Thermodynamics; electromagnetism; thermo-chemistry | ||
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