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Unformatted text preview: NL 1 + Lh2o(l f)B~ 1 + 8.1(1 O.6074)B~ To produce a critical configuration we must have 1 + 3.180B~' Problem 107 """' ~ ''... u ~ 1.0 Rcrlt=36.12 cm 0.90 30 32 34 36 Radius R (cm) 38 40 July 24, 2002 Solve this equation by trial and error for B; or, equivalently, for R. The critical radius is found to be 36.122 cm which yields a value of keff = 1.00001. The variation of keff with core radius is shown in the plot below....
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This note was uploaded on 02/01/2010 for the course ECE 4130 taught by Professor Cady during the Spring '06 term at Cornell.
 Spring '06
 CADY

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