Page 230 - Dynamics and Control of Nuclear Reactors
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16.5 CANDU (PHWR) reactor instrumentation 229
CORE POSITION MAP
57
49
41
INSTRUMENT TUBE
33
25
17
09
08 16 24 32 40 48 56
CORE TOP 144 in.
126 in. D
235
U-COATED IONIZATION CHAMBER
(1 in. LONG BY ¼ in. DIAM)
90 in. C
54 in. B
18 in. A
CORE BOTTOM 0 in.
FIG. 16.17
A BWR core map showing in-core detector string locations [7].
instrument tube is placed among four fuel channels, with the central space available
for a traversing in-core probe (TIP) detector used for calibrating LPRM detectors.
16.5 CANDU (PHWR) reactor instrumentation
Much of the instrumentation in typical CANDU reactors is similar to instrumentation
in pressurized light water reactors. The balance-of-plant is essentially the same in
both types and the instrumentation is essentially the same. Likewise, many of the
