Code Manual for CONTAIN 2.0 - Federation of American Scientists

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The EDMULT keyword is useful for resolving hydrogen burns without producing massive quantities of output at other times in the run. For example, “edtdto” maybe considerably larger than “timinc”; however, if “edmult” is, say, equal to 1.2, the edit interval during a bum will be 2 (1.2 rounded up) times the actual timestep used. 14.2.9 Output Control Options to control the formatted output written to the main output file and the unformatted output written to the plot file(s) are discussed in this section. Note that the latter output can be postprocessed using the POSTCON code. (See Chapter 16.) 14.2.9.1 Freauencv of Print Outt)ut. Output is written to the main output file in printer carriage control format. This output consists of short summary edits and long detailed edits. The frequency at which the short edits and long edits are produced in the main output file can be controlled with the SHORTEDT and LONGEDT options. ***** ***** ***** ***** ***** ************************************************ SHORTEDT=kshort ***** ***** ***** ***** ***** ************************************************ SHORTEDT the number of system timesteps between short edits. Cannot be O;default= = kshort 1. For example, if the system timestep is 5s and “kshort” is 4, then the short edit interval will be 20s. The short edit interval is completely independent of other output intervals. ***** ***** ***** ***** ***** ************************************************ LONGEDT=klong ***** ***** ***** ***** ***** ************************************************ LONGEDT the number of edit timesteps between long edits. Cannot be O;default = 1. = klong The LONGEDT option controls the frequency of the long edits in the same way that the SHORTEDT option controls the short edit frequency. Note that LONGEDT and SHORTEDT have no effect on the frequency with which information is written to the plot file(s). (That frequency is governed by the basic edit timestep, which is defined by parameters such as “edtdto” discussed in Section 14.2.8 and by the plot file output control options discussed in the next section.) Thus the user can limit the quantity of long or short edits but still obtain detailed plot information on the plot file(s). A long edit will always occur at a “tstop” time, a restart time, an opening or closing time for a regular flow path, Rev O 14-56 6/30/97
and a CORCON edit time regadless of the number of edit timesteps that have elapsed since the last long edit. 14.2.9.2 Print OutDut ODtions. The following single-keyword options can be used in any order to obtain the indicated block of output in the long edits. ***** ***** ***** ***** ***** ************************************************* [PRFLOW] [PRAER] [PRAER2] [PRLOW-CL] [PRHEAT] [PRFISS] [{PRFISS2 or PRFPGRP}] [PRENGSYS] [PRBURN] [PR-USERO] [PRENACCT] ************************************************************************* PRFLOW the intercell flow model. PRAER a keyword which invokes detailed suspended aerosol inventories and short aerosol deposition summaries. PRAER2 a keyword which invokes detailed suspended aerosol and aerosol deposition inventories. PRLOW-CL a keyword which invokes the lower cell model. PRHEAT a keyword which invokes the heat transfer structure model. PRFISS a keyword which invokes fission product mass and decay power summaries. PRFISS2 the keyword to specify that detailed fission product data will be output. This option will be ignored if the PRFPGRP option is specified. PRFPGRP the keyword to specify that fission product output will be reported in terms of the volatility groups defined in Table 8-1. It applies only when the G-TARGET option is invoked. Use of PRFPGRP overrides the PRFISS2 print option. PRENGSYS a keyword which invokes the engineered system model. Rev O 14-57 6/30/97
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Code Manual for CONTAIN 2.0: A Comp
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ABSTRACT The CONTAIN 2.0 computer c
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TABLE OF CONTENTS (CONTINUED) 4.0 A
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R O TABLE OF CONTENTS (CONTINUED) 6
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TABLE OF CONTENTS (CONTINUED) 9.1.3
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TABLE OF CONTENTS (CO NTINUED) 13.0
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TABLE OF CONTENTS (CONTINUED) 14.2.
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TABLE OF CONTENTS (CONTINUED) 16.3.
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TABLE OF CONTENTS (CONCLUDED) C.2Va
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LIST OF FIGURES (CO NTINUED) Figure
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LIST OF FIGURES (CONCLUDED) Figure
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LIST OF TABLES (CONCLUDED) Table 9-
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1.0 INTRODUCTION The CONTAIN code i
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. respond under accident conditions
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This code manual includes documenta
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The intent of this document is to p
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Table 1-3 Major New Models and Feat
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Deposition/ Agglomeration Rates Hea
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For completeness, the environment o
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ilobal Loop zstart I Input * Loed N
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Table 2-1 lists the internal timest
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where p is the structure density, C
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material definitions are given in t
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water vapor, noncondensable gases (
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2.7 Aerosol Behavior Events occurri
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In addition to these models, fissio
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2.10 Heat and Mass Transfer Through
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diffusion of water and the released
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primary system through a large ice
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Gas Liquid ● argon ● nitrogen
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Table 3-2 References for CONTAIN Ma
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● A common reference temperature,
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where u$T,P) = h$T) = ~~TcP,f(T)dT
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Table 3-3 The Coefficients Aij in E
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To ensure that the extrapolation ha
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4. AssumWion of saturated intermedi
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output after a run is completed, th
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4.0 ATMOSPHERIVPOOL THERMODYNAMIC A
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o 0 *0-0 o +F-ooo 0000 Atmosphere G
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Am An HW ❑ Ht AI * HI= Hb Figure
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connected to the respective cells.
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A side-connected path is defined as
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4.3 ~ tion The flow modeling option
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FLOW option for overcoming the gas
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Table 4-2 Conservation of Momentum
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4.4.3 User-Specified Flow Rates The
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4.4.5 Gravitational Head Modeling T
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gas center-of-volume elevations, in
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crossover parameter y always select
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interface, since in CONTAIN materia
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where dmi ~ Table 4-3 Conservation
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where Table 4-3 Conservation of Mas
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Table 4-4 Conservation of Energy Eq
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Table 4-5 Conservation of Mass Equa
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Table 4-6 Conservation of Energy Eq
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architecture. A gas-pool equilibrat
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Finally, the mass transfer rate of
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where Ap~jis the area of the atmosp
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The FIX-FLOW option may be useful i
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exit losses and other fictional los
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. Pressure: where Pi = 2 k=l Table
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CCIS are modeled through an embedde
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~ Boiling \t/ o 0: O.” 0°0000 .O
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the pool layer should lie on top of
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modeled will include the scrubbing
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ebar using the RBRCOMP keyword. Con
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aerosol release model. The allowabl
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Keyword Chemical Symbol Table 5-4 M
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The coolant pool layer is unique in
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water and regarding heat transfer a
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options is directed to the fwst nod
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5.6.2 External Lower Cell Material
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CONTAIN Code Main Modules CONTAIN I
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5.7.5 Restrictions in Mass and Ener
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Both gas-phase and condensed-phase
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decay power calculated in the DECAY
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5.8.15 Energy Conservation (2.3.12
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4. 5. 6. 7. 8. 9. imposed on it by
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6.0 DIRECT CONTAINMENT HEATING (DCH
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● ● ● “. . . . . ● ☞✍
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evolve independently of the other d
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The combined mass flow rate of gas
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where ,=W Ipgu+wi Note that when al
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‘ig,i,k _ — — ~‘jiwji$ ‘g
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entering directly into the atmosphe
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airborne particles can be neglected
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1. Conventional atmospheric source
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ecommended that the user review Ref
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The heat transfer coefficient betwe
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other versions of the Whalley-Hewit
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6.2.10.2 Entrained Fraction Correla
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and [) y+l y+l f(y) = yo”s ~ 2 (y
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ecause the desired fraction of debr
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pdv; NWe=— C! (6-71) where NW.is
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Equations (6-73) and (6-74) may all
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dmd’ ,, ~ +[+” rpv,s [1 ‘t en
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Tin = v.=— g,ln Z ‘g,ji6jiTg,jc
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An important aspect of the CONTAIN
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6.3.6 TOF/KU Trapping Model Like th
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whose default value is 0.32, p~jis
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The flight time and average velocit
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If slip is ignored completely, then
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Zr +2HZ0 + Z@z+2Hz L Fe+ H20 “ zr
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The Reynolds and Schmidt dimensionl
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D H20 = 4.40146 X 10-6 (T~~)2334 P
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.. 1-exp -~ = 0.5 [} ‘d where t~o
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AN~~, = N& 1- exp -— ‘re [{IIAt
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(AI-120)i,n= (~)~oAtC Am,j,.,,=-((A
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where ~~,i,. = (AO&hO~P&i,n) + (AH2
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calculated intercell mass flow rate
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The total radiative energy loss fro
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The velocity for non-airborne debri
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UK ~ DSolid Aerosol Water [ A Spray
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● particle scrubbing from gases v
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too small by evaporation of water.
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(7-3) where d(&(t)/dt is the time r
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This constraint thus reduces the nu
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particles can combine at a time. Th
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Except when they include significan
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Table 7-1 Comparison Between Fixed-
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Figure 7-3. Model for Water Condens
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The condensation Reference Pru78: r
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DiffusioDhoresi$. When water conden
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the user may specify these paramete
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The settling area ~ is the sum of a
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The effective cylindrical diameter
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where St is the Stokes number, the
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100 1 ()-1 10-2 1()-3 10-4 ‘\ Tot
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and Potential Flow: ELP E ll,p = =
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The efilciency E of a spray drop ch
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with enhanced scrubbing) or a small
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As an example of difficulties that
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,. - 137c~ / \ P- w 137M Ba 1 137Ba
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user. From this information, the co
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No. 7 No. 8 No. 9 No. 10 No. 11 No.
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~- ~- No. 19 l~R” —> 106Rh~ 106
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No. 28 No. 29 No. 30 No. 31 No. 32
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with the host. In such cases, the f
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103Rhbranch as in the second chain
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and B2, respectively, differing onl
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Table 8-3 Fission Product Library -
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inventory and for time-dependent so
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[Lee80] Note that array space for t
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I GAS UC Atmosphere Heat +%.OOO 00
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where t is the problem time in seco
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where V~ is the drop volume, which
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supplied by the library. Such inven
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The governing equation for the chan
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s DFB is assumed to occur whenever
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The chemical reactions that occur d
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up before ignition occurs. For exam
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delay factor is too small, the tota
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The deflagration model assumes that
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The above correlations assume only
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to occur in the bum model at a reas
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where At~,is the remaining bum time
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Specifically, for DFB to occur, the
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where NtOti= N~ + N~o + ~ is the to
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wheres, is the user-specified spont
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—’ - ● *4 / hMl Outgassing St
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prior to CONTAIN 1.2, there is cons
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except for the error introduced by
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0.1 0.08 0.06 0.04 ~ 0.02 h G o s .
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Nk = ~BLcp,BLABL h = kB~N~u/L (10-1
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unsubmerged surface of the structur
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‘=4Hpi-Hb’iF$l (10-15) e where
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to simulate forced convection throu
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10.1.3 Generalized Gas-Structure Co
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Note that the default correlations
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Because the heat and mass transfer
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0.01 0.001 0.0001 0.00001 temperatu
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0.01 0.001 0.0001 0.00001 ~emperatu
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default correlations with ones of t
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The film tracking model is discusse
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this limit would correspond to a fi
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follows the standard recommendation
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In Equation (10-54) the relation 6
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where N is the number of the surfac
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X= XO-b At, AT (lo-66) where X“is
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The ernissivity of each of the abov
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The term ~ in Equation (10-80) is t
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coolant subcooling. The various cor
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If boiling is occurring at the inte
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‘TL.eid,s.b = ATbid + 8 AT,ub (10
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Concrete Air Figure 10-8. Cylindric
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where k is the thermal conductivity
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T 2,eff = T2 h I,eff = hlz whereas
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extrapolated temperature as defined
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Distance ~ ~ Surface Node ~ Nodei F
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The interface temperature Oihas sti
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to be reduced in proportion to this
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fde, TAPE17, to the effect that the
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The outgassing of evaporable water
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Gas Film Boundary Layer Bulk \& I A
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interface temperature. Note that co
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● heat transfer between the atmos
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Reactor Pressure Vessel Drywell Sou
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Figure 11-2. CONTAIN Multi-Node Ven
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L“ ●LO n ‘n I ,a ,rn n I I I
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Table 11-1 Example Solution for Flo
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IDrywell Water Vapor and Gas Source
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—= dx — dt F Pq 1 2[pd - ‘w +
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Drywell, Pd Ii P(f> Pw Vent Vd =
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For flow from wetwell to drywell, a
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Aeff =4 for AP > APU where ~ is the
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the component hosting the fission p
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noncondensable gases multiplied by
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12.0 ENGINEERED SAFETY FEATURE MODE
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~ Spray Flow Path ~~ Reinforced Con
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Inlet Manifold Cold Side Hot Side C
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other than air or superheated condi
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Because the total heat transferred
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7 Plenum t Ice Compartment 1 Accumu
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spring or gravity-controlled motion
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conditions. If “citlex” does no
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where p~is the atmosphere gas mixtu
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In these equations, N~~is the drop
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Figure 12-8. Th,o ~b Cold Leg (Outl
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The capacity-rate ratio CR is defin
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Note that the user-specified pump m
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13.0 USER GUIDANCE AND PRACTICAL AN
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small flow areas. Also, in the mome
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13.2.4 Aerosol Modeling ~t. The aer
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~s. The heat given off by many radi
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concentration in the cell maybe hig
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In comparisons with experimental re
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It is normally considered inappropr
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0.00016 0.00014 0.00012 0.0001 8E-0
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13.2.9 Calculational Sequence Effec
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13.3.1.3 Modelin~ Stratifications.
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Figure 13-2. Two Thermal Siphon Nod
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for the Sequoyah plant given in Cha
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— uses CONTAIN. In any given anal
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0.4 0.3 0.2 0.1 (a) / ~ ..” ~ ●
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Table 13-1 Summary of the CONTAIN S
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0.4 1J- 2 6.3 d# p“ RPV (13-1) He
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1. Use Equation (13-1) to define z~
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In the standard prescription, the c
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as small pipes, cabling, etc. Impac
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esulting from homogenizing cool age
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equivalent to that of the liquid wa
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called “tarnping.” Since aeroso
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Co-Eiected Primarv Svstem Water. Wa
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.- If the initial atmosphere compos
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hybrid solver was not available at
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13.3.2.3 RPV Models. When the RPV a
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other governing input parameters. I
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and Griffith. ~i196] In addition, t
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several reasons, the assessment per
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area. It is recommended that the us
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800 700 600 500 400 300 200 100 0 \
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heat flow under conditions of nearl
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dumped into a layer in a short time
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Comments at the begiming of an inpu
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— cannot be modeled directly. How
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CELL, must follow the global input.
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CELL 1 && beginning of input for ce
Page 524 and 525: In the following input descriptions
Page 526 and 527: A sub-block thus can begin with a l
Page 528 and 529: The global CONTROL block is used to
Page 530 and 531: NENGV = nengv NWDUDM = nwdudm NMTRA
Page 532 and 533: table may be specified after the CO
Page 534 and 535: COMPOUND keyword. Such names need n
Page 536 and 537: RHOT density values, paired with th
Page 538 and 539: correspond to the species as they a
Page 540 and 541: 14.2.4 Intercell Flows be considere
Page 542 and 543: nat the number of cell atmospheres
Page 544 and 545: cellfr the number of the cell from
Page 546 and 547: VTOPEN = vtopen TYPE = {GAS or POOL
Page 548 and 549: RVAREA-P the keyword for initiating
Page 550 and 551: NWET the number of the cell contain
Page 552 and 553: (NAME=aname [FLAG=iflag] X=n (x) VA
Page 554 and 555: keyword will result in the oversize
Page 556 and 557: SURTEN the surface tension of a wet
Page 558 and 559: newcof = 2: Coefficients are reques
Page 560 and 561: FINVT = (finvt) (8-5). If FGPPWR is
Page 562 and 563: In the input block description of t
Page 564 and 565: FDISTR = (fdistr) FDEVEN GRPLIM = g
Page 566 and 567: DIFH20 the multiplier on the mass t
Page 568 and 569: AHOLE1 the initial hole size in the
Page 570 and 571: IENFRA = ienfra AFLOW = aflow AHENF
Page 572 and 573: WESIG the natural logarithm of the
Page 576 and 577: PRBURN a keyword which invokes the
Page 578 and 579: tfac exactly “ncells”values spe
Page 580 and 581: 14.3 Cell Level Input The cell is t
Page 582 and 583: a pool layer will form in the cours
Page 584 and 585: NSOSAT the number of safety relief
Page 586 and 587: GASVOL = gasvol CELLHIST n hl, area
Page 588 and 589: Presently, DCH and other nongaseous
Page 590 and 591: xmass the mass of species “oname
Page 592 and 593: ATMOS=3 EOI PGAS=l.0E5 TGAS=335 SAT
Page 594 and 595: [INIDEPTH=indpth] [MINDEPTH=rnndpth
Page 596 and 597: STRUC CRANK = crank OUTGAS TRANGE t
Page 598 and 599: kco2 eco2 QH20E = qh20e QH20B = qh2
Page 600 and 601: cYLHn-’E the axial length of a cy
Page 602 and 603: FORCOR1 =a3b3c3 d3 FORCOR2 =a4b4c4
Page 604 and 605: VELOCITY, REY-NUM, and NUS-FORC are
Page 606 and 607: whether net condensation or evapora
Page 608 and 609: cylinder. Here, RI is the cylinder
Page 610 and 611: istr hgap ICELL = icell TGAS = tgas
Page 612 and 613: 14.3.1.5 Radiation. The radiation m
Page 614 and 615: eaml EOI GASWAL = gaswal GEOBL geob
Page 616 and 617: Table 14-1 Types of Bums Allowed fo
Page 618 and 619: 0.0376. Thekeyword CFRMNGserves the
Page 620 and 621: DEBCONC the concentration of debris
Page 622 and 623: 14.4.1. The particle size distribut
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14.3.1.10 Fission Product Initial C
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FROM = marne TO = aname “mame”
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The following keywords and associat
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LENGFT = xleng KU1 = xku 1 KU2 = xk
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and the DIATR4P, VELTRAP, and IL4.D
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(data) EOIl [CONCRETE (data) EOIl (
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EOI [Q235U=q235u] [Q238U=q238u] [Q2
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EOI EOIl T=(times) MASS=(masses) {T
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HT-COEF NAME olay oxopt nh xhtval h
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EOI EOI [USERSENS [{HXBOTCOR ahtb b
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RBRCOMP ometl fmfrac EOI cmass TEMP
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w the outside radius of the cylinde
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SLAGSIDE a keyword which enables th
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HBOILFLX = nhb dtsat bflx HBOILMUL
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RHOOMUL = rhomul TSOMLT = tsomlt XE
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DETAIL nvcons ovnam nfp ofpnam wfra
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into CONTAIN. The obsolete VANESA k
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SOURCE nso Q-VOL HT-COEF the keywor
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smo TMETAL = tmi TOXIDE = toi LAYER
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METALPWR the keyword to begin speci
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14.3.3 Engineered Safety Systems Th
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iclin iclout delev now automaticall
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FCFLAR the frontal area of the fan
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DIAMDIF the effective wire cylindri
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hxarea the effective heat transfer
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PIPE the keyword to specify a pipe
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EOI (oaer=na [IFLAG=ival] [AMEAN=(m
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SOURCE nsosfp Ofp nf HOST = nhost C
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with standard keywords. Thus the pr
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encountered. Aerosol suspended mass
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EOI the keyword used to terminate e
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[PRFLOW [{ON or OFF}]] [PRAER [{ON
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14.5.1.1 The TIMES Block in a Resta
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AEROSOL a keyword sequence to speci
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15.0 SAMPLE PLANT CALCULATIONS In t
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Table 15-1 Grand Gulf Input File (C
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— o1 DRYWELL t o2 ANNULUS Figure
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. 2 190 PO o - 170 aJ L 3 In (n a)
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3 0 r w.- 3 0- .- _d 120 100 80 60
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8 7 1 0 % :k I I i I I I I I I I 1
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15.2 Surry Plant In the second samp
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Table 15-2 Surry Input File (Contin
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mass= O.OOOOOe+OO 1.45045e+Ol 1.438
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3.05000e-01 eoi Table 15-2 Surry In
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concrete in the cavity and thus the
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500 450 400 350 300 250 200 150 100
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-. The amount of water boiled and e
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.- 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3
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c .— s o .- rn (J-J K 1 0+2 10-3
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5.0 4.8 4.6 4.4 4.2 4.0 3.8 3.6 3.4
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Table 15-3 Sequoyah Input File && -
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Table 15-3 Sequoyah Input File (Con
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2.8000e+Ol 2.8000e+Ol 2.8000e+Ol en
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8.0500e+02 8.0650e+02 eoi feed debr
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eoi 1.0000e+Ol 1.0000e+Ol 1.0000e+O
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eoi Table 15-3 Sequoyah Input File
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eoi 4.30918e+06 4.34125e+06 4.52691
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eoi 1.55497e+07 1.58464e+07 1.65145
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var-y=diatrap eoi trapping to fku &
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o 8 w s H I E 5 UP Co L I D 3’ 4
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Table 15-4 Sequoyah Restart Input F
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.. Table 15-4 Sequoyah Restart Inpu
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eoi dch-cell sdeven= 1.0 && default
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Table 15-4 Sequoyah Restart Input F
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compartment. The subsequent upward
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350 I I I I I I I i I I I i 325 300
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80 70 60 50 40 30 20 10 ? i I i / /
Page 793 and 794:
combustion as calculated by the hyd
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16.1 Introduction 16.0 OUTPUT FILES
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will report conditions that might h
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To achieve this objective, POSTCON
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typically very undescriptive, a sho
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Table 16-1 Item Keywords (Continued
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Table 16-2 Default Conversion Facto
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16.3.4.1 Simzle Pass. For simple pr
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16.4.1.3 Bin ary Plot File (PLTFIL)
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16.5 COntrol Block The general stru
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MAXSNI? keyword that initiates inpu
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EOI termination for the entire cont
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VECTOR ovname keyword that initiate
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EOF keyword thatterminates theendof
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POSTCON routine, and possibly writi
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Three units are converted in this e
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pltfil=plotl pout=poutl pvec=pvecl
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&& poet snapshot vector for flag: 5
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Figure 16-9. PMIX1 File from Exampl
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cell=2 vector=mettmp layer=3 type=t
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16.10.3 Output Handling When a user
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Ben84 Ber85a Ber85b Ber86 Bi193 Bin
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Dhi78 Din86 Dui89 Dun84 Edw73 E1w62
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Hin82 H068 H0168 Hot67 HUS88 Ide60
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Low82 Lui83 Lut91 Mak70 Mar86 Mas58
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Pi195 Pi196 Pit89 Pon90 POW86 POW93
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Sum95 Ta180 Tam85 Tarn87 Tam88 Tar8
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was95 Wea85 Web92 Wei72 Wha78 Wi187
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A. 1 Introduction APPENDIX A DETAIL
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thermodynamic states. However, the
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= h~(T) (for non-coolant liquids, s
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(A-4) where N~X~j is the number of
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.. in the liquid and vapor enthalpi
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APPENDIX B 1 ALTERNATE INPUT FORMAT
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.- AREA,i,j = area AVL,i,j = avl CF
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n x PDAFLAG keyword discussed above
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parameter string, the redefined val
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RELEASE specifies nontargeted relea
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nraycc number of rays used to model
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ishape nslab ibc tint Chrl vufac bc
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keywords FLAG, X, and Y are given i
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C. 1 Introduction APPENDIX C VALIDA
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Validation is considered outside th
Page 887 and 888:
2) Medium = prediction of prime qua
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C.3.4 Aerosol Behavior Table C-7 pr
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product behavior, it can be used to
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Table C-1 CONTAIN Code Release Hist
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Table C-3 Validation Matrix for Atm
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Table C-4 Validation Matrix for Hea
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Table C-5 Validation Matrix for Hea
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I Validation Type/Basis Separate ef
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Table C-6 Validation Matrix for DCH
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Table C-6 Validation Matrix for DCH
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Experiment (Test Facility) SNLJIET-
Page 917 and 918:
(Footnotes for Table C-6 Continued)
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Table C-7 Validation Matrix for Aer
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Table C-8 Validation Matrix for Hyd
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Table C-10 Validation Matrix for Mi
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n 400 ) 300 % $ 200 ~ * o 6 100 * z
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~ ~ 0.10 0.08 g 0.06 a fn g n g 0.0
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g 403 393 383 373 363 353 343 333 3
Page 931 and 932:
Has96b Hei86 Huh93 Jac89 Jon87 Jon8
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Mur83b Mur88 Mur89 Mur96 0wc85 Pet9
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Ti191 Ti196 Uch65 Va183 va188 Ver87
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D. 1 Introduction APPENDIX D QUALIT
Page 939 and 940:
L==I-----F -—— - L I I I Desk M
Page 941 and 942:
Ir Lo! (o) Releases \ II T ata chan
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the difilculty, resolving the issue
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When the review is complete, the up
Page 947 and 948:
● ensures that modifications will
Page 949 and 950:
-. . ---ula GMF Program Library \ O
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instruction set that creates the va
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experimental results. The objective
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D.2.6.4 Test Doc umentation. In eve
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REFERENCES Bi194 S. C. Billups et a
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4 QPrinted on recycled paper Federa
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