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Ultrasonic study in binary mixtures of water and heavy water

ИсслЕДОВАНИЕ УльтРА жВУкОВОгО пОглОЩЕНИ ь В БИНАРНых сМЕсьх ВОДы И тьжЕлОИ ВОДы

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Il Nuovo Cimento B (1971-1996)

Summary

An experimental study of ultrasonic absorption in water and heavy-water mixtures has been made at three concentrations from 10 to 50 ‡C. Because of the close similarities in the behaviour of the aforesaid components an ideal mixing has been assumed. To explain the excess absorption, Hall’s two-state model of structural absorption has been used. The results are as expected, and the experimentally observed excess and the theoretically calculated structural absorption are in close agreement with each other in the present temperature range. The values δV/V = 0.47 and Β = 17·10−12 cm2/dyn have been assumed for computations.

Riassunto

Si è eseguito uno studio sperimentale dell’assorbimento ultracustico neue miscele di acqua ed acqua pesante a tre concentrazioni tra 10 e 50 ‡C. A causa delle strette somiglianze nel comportamento dei suddetti componenti si è supposta una miscelazione ideale. Per spiegare l’eccesso di assorbimento si è usato il modello a due stati di Hall per l’assorbimento strutturale. I risultati sono quelli attesi e l’eccesso osservato sperimentalmente e 1’assorbimento strutturale calcolato teoricamente sono in stretto accordo l’uno eon l’altro nell’attuale intervallo di temperature. Per i calcoli si sono adottati i valori δV/V = 0.47 e Β = 17·10−12 cm2/dyn.

РЕжУМЕ

БылО пРОВЕДЕНО ЁкспЕ РИМЕНтАльНОЕ ИсслЕДОВАНИЕ УльтРА жВУкОВОгО пОглОЩЕНИь В сМЕсьх В ОДы И тьжЕлОИ ВОДы пРИ тРЕх кОНцЕНтРАцИьх От 10‡ ДО 50 ‡с. ВслЕДстВИЕ тЕсНОгО с хОДстВА В пОВЕДЕНИИ ВышЕУпОМьНУтых кОМп ОНЕНт, БылО пРЕДпОлОж ЕНО ИДЕАльНОЕ сМЕшИВАНИ Е. Дль ОБЩьсНЕНИь ИжБы тОЧНОгО пОглОЩЕНИь БылА ИспОльжОВАНА МОДЕль хОллА с ДВУМь сОстОьН ИьМИ Дль стРУктУРНОгО пОглОЩ ЕНИь. В РАссМАтРИВАЕМОИ ОБ лАстИ тЕМпЕРАтУР ЁкспЕРИМЕНтАльНО НА БлУДЕННОЕ ИжБытОЧНО Е пОглОЩЕНИЕ И тЕОРЕтИ ЧЕскИ ВыЧИслЕННОЕ ст РУктУРНОЕ пОглОЩЕНИЕ сОглАсУУ тсь ДРУг с ДРУгОМ. Дль ВыЧИслЕН ИИ БылИ пРЕДпОлОжЕНы жНАЧЕНИь ВЕлИЧИН δV/V =0.47 И Β=17·1012 сМ2/ДИН.

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Kor, S.K., Singh, B.K. & Deorani, S.C. Ultrasonic study in binary mixtures of water and heavy water. Nuov Cim B 8, 367–372 (1972). https://doi.org/10.1007/BF02743665

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  • DOI: https://doi.org/10.1007/BF02743665

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