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Sažetak
| Opis |
English: Drawing of the acoustic apparatus called Kundt's tube, invented by August Kundt in 1866 to measure the speed of sound in gasses; also shows standing wave patterns created with it. From Kundt's original 1866 paper. The device (fig.6 & 7) was a horizontal glass tube (B,B') containing a small amount of fine powder. One end had a piston attached to the end of a metal resonator rod (A,A'), clamped at its center (K), excited by rubbing with chamois, so it radiated sound waves into the tube. The other end was blocked by a moveable piston (I) which could be used to adjust the length of the tube. When the tube was adjusted to resonance, the powder collected in piles at the nodes of the standing wave as shown in Fig. 3, at intervals of half a wavelength (λ/2), allowing the wavelength of the sound to be measured. Figs 1, 2, & 4 show more complicated patterns (striations) produced by the sound waves. Alterations to image: Rotated 90° clockwise |
| Datum | |
| Izvor | Downloaded 2009-06-25 from Kundt, A. (1866) Ueber eine neue Art Akustischer Staubfiguren und über die Anwendung derselben zur Bestimmung der Shallgeschwindigkeit in festen Körpern und Gasen, Annalen der Physik, Vol.127, Issue 4, p.497-523, J. C. Poggendorff, Leipzig, image from Plate 5, p.671 on Google Books |
| Autor | August Adolf Eduard Eberhard Kundt |
| Dopuštenje (Naknadna uporaba ove datoteke) |
Public Domain - Kundt died in 1894 |
Licencija
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| Datum/Vrijeme | Minijatura | Dimenzije | Suradnik | Komentar | |
|---|---|---|---|---|---|
| sadašnja | 22:26, 26. lipanj 2009. | | 1.681 × 903 (148 KB) | wikimediacommons>Chetvorno | {{Information |Description=Drawing of the acoustic apparatus called the Wikipedia:Kundt's tube, invented by August Kundt in 1866 to measure the speed of sound in gasses, and patterns of standing wave patterns created with it. From Kundt's original 18 |
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