Zonerefining Simulator for k

shows a zone-refining simulator for k > 1, in which the zone tube can be moved vertically. The operation of this analogue simulator are the same as those of the analogue simulator for k < 1, except that for k > 1 the distance between the moving liquid level and its original point in the zone tube must always be readjusted to be the same as the liquid level in the ingot tubes whose stopcocks are open, while for k< 1 the liquid level in the zone tube is automatically the same as that in the open tubes. Furthermore, for k > 1 the zone tube is initially filled with a liquid level greater than h0, while for k < 1 the zone tube is initially empty:

The liquid level in tube i after the nth pass is:

Normal-freezing region, (L — l) < x < L It is well known that the cross-sectional area az, i of the zone tube for k > 1 in this section of ingot, (L — l) ) x ) L, must be readjusted continuously after closing each rearmost tube.

The liquid level in tube i after the nth pass is:

(N — i)a — az, i (N — i)a — a^ i i = N- m # 1, N-m + 2,2, N — 1

Figure 6 Hand-operated liquid-level zone refining simulator for k> 1
Solar Panel Basics

Solar Panel Basics

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