Literaturnachweis - Detailanzeige
| Autor/inn/en | Lipscombe, Trevor C.; Mungan, Carl E. |
|---|---|
| Titel | The Physics of Shot Towers |
| Quelle | In: Physics Teacher, 50 (2012) 4, S.218-220 (3 Seiten)Infoseite zur Zeitschrift
PDF als Volltext |
| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 0031-921X |
| DOI | 10.1119/1.3694072 |
| Schlagwörter | Mechanics (Physics); Science Instruction; Metallurgy; Scientific Concepts; Thermodynamics; History; Heat |
| Abstract | In the late 18th and throughout the 19th century, lead shot for muskets was prepared by use of a shot tower. Molten lead was poured from the top of a tower and, during its fall, the drops became spherical under the action of surface tension. In this article, we ask and answer the question: "How does the size of the lead shot depend on the height of the tower?" In the process, we explain the basic technology underlying an important historical invention (the shot tower) and use simple physics (Newtonian mechanics and the thermodynamic laws of cooling) to model its operation. (Contains 1 figure.) (As Provided). |
| Anmerkungen | American Association of Physics Teachers. One Physics Ellipse, College Park, MD 20740. Tel: 301-209-3300; Fax: 301-209-0845; e-mail: pubs@aapt.org; Web site: http://scitation.aip.org/tpt |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2017/4/10 |
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