Literaturnachweis - Detailanzeige
Autor/inn/en | Pere Roura, P.; Oliu, D. |
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Titel | How energy efficient is your car? |
Quelle | In: American journal of physics, 80 (2012) 7, S. 588-593
PDF als Volltext |
Sprache | englisch |
Dokumenttyp | online; gedruckt; Zeitschriftenaufsatz |
ISSN | 0002-9505; 1943-2909 |
DOI | 10.1119/1.4704821 |
Schlagwörter | Mechanik; Physik; Physikunterricht; Thermodynamik; Wirkungsgrad |
Abstract | A detailed energy balance indicating how fuel energy is transferred from the engine to the wheels of a commercial car is obtained using non-specialized experiments that can be readily understood using elementary mechanics. These experiments allow us to determine the engine's thermal efficiency, its mechanical losses, and the rolling (friction) and aerodynamic (drag) coefficients. We find that approximately 28% of the fuel energy is transferred to the wheels. 2012 American Association of Physics Teachers. |
Erfasst von | Arbeitsgruppe Didaktik der Physik, Universität Osnabrück |
Update | 2013/4 |