Condensed Matter

   

Pengaruh Posisi Intruder Terhadap Bentuk Permukaan Bed Granular Pada Efek Kacang Brasil Dua-Dimensi

Authors: Sparisoma Viridi, Siti Nurul Khotimah, Hari Anggit Cahyo Wibowo, Trise Nurul Ain, Dimas Praja Purwa Aji

Two-dimension Brazil-nut effect using acrylic plate as intruder and bed particles is observed under non-continuous sinusoidal vibration in order to obtain sufficient image quality for further process. Vibration parameters are f = 13 Hz and Γ = 2. In this work time series of intruder position is presented, which shows that it has rise time Trise = 67 steps, with initial position defined as lower side of intruder in touch with bottom of the container and final position is defined as upper side of intruder is on the bed particle surface. Initial height and width of bed particles are 21 and 92 particles, respectively. Ratio of intruder and bed particle diameter is about 2.545. Most curved of bed particle surface is observed while intruder position is about in the middle between its initial and final configurations.

Comments: 5 Pages. Spektra: Jurnal Fisika dan Aplikasinya 16 (1), 18-22 (2015)

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[v1] 2015-05-25 10:38:32

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