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Code Manual for CONTAIN 2.0 - Federation of American Scientists

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Keyword Chemical<br />

Symbol<br />

Table 5-4<br />

Melt Component Keywords and Chemical Symbols<br />

For VANESA Fission Product Initial Inventory Specification<br />

Keyword Chemical<br />

Symbol<br />

Keyword<br />

CES Cs IOD II XEN<br />

KRY Kr BA<br />

SN Sn U02*<br />

ZR* Zr<br />

RB Rb<br />

RH<br />

FeO MO I Mo SR<br />

Rh<br />

CE Ce<br />

ND<br />

SM Sm CR*<br />

SB Sb<br />

TC<br />

LA<br />

Mn AG<br />

Chemical<br />

Symbol<br />

*Obsoleteinput since these species are taken from CORCON layer mass specification. If MELTCOMP is used, zeros<br />

should be specified <strong>for</strong> these species.<br />

In contrast to the stand-alone implementation <strong>of</strong> CORCON Mod3, the option to define the fission<br />

product inventories in VANESA from the CORESTAT retention factors (see Table 5-3 above) and<br />

the amount <strong>of</strong> UOZ in the melt is not available. In stand-alone CORCON input terminology, this<br />

means that the “ivanfp” variable is fixed at 1. This option was disabled in the <strong>CONTAIN</strong> implementation<br />

because the DECAY-HT option is typically used, with the default CORESTAT retention<br />

factors.<br />

Calculated aerosol and fission product releases are mapped to <strong>CONTAIN</strong> aerosol components and<br />

fission product chain elements or groups using the AERCONST and FPTRACK input blocks. The<br />

names <strong>of</strong> the species released are given in Table 5-5. These are the names that are specified in the<br />

input when identi~ing the mapping between VANESA releases and <strong>CONTAIN</strong> aerosol components<br />

and fission products. If the CORESTAT decay power option is used, the inventory <strong>of</strong> the CORCON<br />

decay power elements (see Table 5-3) will be updated based on fission product releases from the<br />

melt as predicted in the VANESA module. The mapping between <strong>CONTAIN</strong> aerosol components<br />

and fission products and VANESA calculated releases is discussed in Section 5.7.4.<br />

R O 514 6/30/97<br />

Xe<br />

Ba<br />

U02<br />

Fe<br />

Sr<br />

Tc<br />

La<br />

Nd<br />

Cr<br />

Ag

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