Light Scattering Study of Ultrasonic Relaxation in Liquid Furan
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概要
- 論文の詳細を見る
A newly developed technique was used to measure the ultrasonic velocity and absorption in liquid furan (C_4H_4O) at 10°, 20° and 30℃ over the range from 60 MHz to 700 MHz. The dispersion observed was about 90 m/s and the decrease in α/ƒ^2 was 3500 s^2/cm in this range, and they were described with a single relaxation frequency, ƒ"=121 MHz at 20℃. Under an assumption of vibrational relaxation associated with all the modes, the relaxing part of specific heat was calculated theoretically and compared with the experimental value. They were in agreement within 2%, supporting the assumption of the total vibrational relaxation.
- 社団法人応用物理学会の論文
- 1977-08-05
著者
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Negishi Katsuo
Institute Of Industrial Science The University Of Tokyo
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Takagi Kenshiro
Institute Of Industrial Science The University Of Tokyo
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