Problem No.6 Electric Honeycomb 1
Set a vertically oriented steel needle over a horizontal metallic plate. Place some oil onto the plate. If you apply constant high voltage between the needle and the plate, a cell structure appears on the surface of the liquid. Explain and investigate this phenomenon. 2
3
0.5mm 4
5
6
1 使 使 7
2 使 使 8
3 使 p 1 T 1 P 2 T 2 P d P e P f N N P>0, 沿 i i j 9
4 使 10
使 使 11
p 线 12
1 13
2 1 t 3 14
0 2 3 15
k->0, 线 线 1cm 5mm 16
7.3 53.3 103.8 4.7 8.1 65.6 157.5 5.4 9.1 82.8 148.9 5.3 10.1 102.0 175.6 5.6 10.1 102.0 227.0 6.1 10.9 118.8 216.0 6.0 线 17
Benard phenomenon 18
使 19
Sivukhin D V Obshchii Kurs Fiziki (A General Course in Physics) Vol. 3 Elektrichestvo (Electricity) Moscow : Nauka, 1983 ) Landau L D, Lifshitz E M Electrodynamics of Continuous Media Oxford : Pergamon Press, 1984; Translated from Russian : Elektrodinamika Sploshnykh Sred Moscow : Nauka, 1982 Sivukhin D V Obshchii Kurs Fiziki (A General Course in Physics) Vol. 3 Elektrichestvo (Electricity) Moscow : Nauka, 1983 2011 4 pp.44-58 V Vmayer , E I Varaksina,V A Saranin Simple lecture demonstrations of instability and self-organization Physic Uspekhi 57(11) 2014 pp.1130- 1135 20
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