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Thermoacoustic test tube vs. Refrigeration

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Uploaded by on Jun 30, 2010

18cm kémcső, középen 2cm-es ritka közepes szálú fémgalacsin.
Melegítéskor begerjed és hangot ad, majd elhalkul a túlmelegedés miatt.
Azonban, ha vizes papírzsebkendővel hteni kezdem, akkor újra felerősödik a hagja!

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  • Nice demonstration of how increasing temperature gradient, causes increased resonance within the tube.

  • Jó a videó, mert nekem legalább már nem kell ezt a kísérletet külön elvégezni :-) !

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