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2 NTNUC Total number of depleting nuclides 3 ng Number of few groups, If no collapsing is done, number of fine groups is given 4 NGT Number of few thermal groups. If no collapsing is done, number of fine thermal groups is given. 5 IDUM5 = 0 Not used 6 IDUM6 = 0 Not used 7 IDUM7 = 0 Not used 8 IDUM8 = 0 Not used 9 IDUM9 = 0 Not used 10 IDUM10 = 0 Not used 11 CASE Case name (A4) 12 STDNUC Nuclide ID (A4) used for the measure of depletion fraction XU05 is defaulted 13 MTYPX Type of depleting materials = 1 Fissionable material (usual fuel) = 2 Non-fissionable depleting material (e.g. Gd 2 O 3 ) 14 VOLX Volume of this X-Region (cm 3 ) (NUCLID(i),i=1,NTNUC) (POWERX(j),j=1,NOWSTP) (EXPSX(j),j=1,NPWSTP) (U235FX(j),j=1,NOWSTP) Nuclide ID by A4. The first character is set to ’X’, the succeeding three characters denote zzm (e.g. XU05, XPU9) Average power density (MW/cm 3 ) of this X-Region by step Average accumulated burn-up (MWd/t) by step In the case of MTYPX=2, time integrated absorption rate (n/cm 3 ) is given. Depletion fraction (%) of nuclide STDNUC (U-235 is defaulted) U235FX(j) ≤ 100.0 (HMINVX(j),j=1,NOWSTP) (RLHTX(j),j=1,NOWSTP) (YDXEX(j),j=1,NOWSTP) Heavy metal inventory (ton/cm 3 ) of this X-Region by step Heat generation (Joule/fission) of this X-Region by step Fission yield of Xe-135 by step 170
(YDIOX(j),j=1,NOWSTP) Fission yield of I-135 by step (YDSMX(j),j=1,NOWSTP) Fission yield of Sm-149 by step (YDPM(j),j=1,NOWSTP) Fission yield of Pm-149 by step ((DENSTY(j,i),j=1,NOWSTP),i=1,NTNUC) Atomic number density (10 24 n/cm 3 ) by step by nuclide ((AFISS(g,j),g=1,ng),j=1,NOWSTP) Few group macroscopic absorption cross-sections of fissile nuclides by group by step. ((CFERT(g,j),g=1,ng),j=1,NOWSTP) Few group macroscopic capture cross-sections of fertile nuclides by group by step. ((SIGXEX(g,j),g=1,ng),j=1,NOWSTP) Few group microscopic capture cross-sections of Xe-135 by group by step ((SIGIOX(g,j),g=1,ng),j=1,NOWSTP) Few group microscopic capture cross-sections of I-135 by group by step ((SIGSMX(g,j),g=1,ng),j=1,NOWSTP) Few group microscopic capture cross-sections of Sm-149 by group by step ((SIGPMX(g,j),g=1,ng),j=1,NOWSTP) Few group microscopic capture cross-sections of Pm-149 by group by step Member caseHTjj member for restart burn-up calcuation This member is written at the end of every burn-up step (jj=00, 01, 02, …. ). This keeps the burn-up information of the step to make the members caseBNUP and caseDTxT. At the end of whole steps, the code edits these restart members and creates the members caseBNUP and caseDTxT. Therefore, even if an abnormal termination occurs, the restart is available by using the members caseHTjj. As the contents of this member are included in the members caseBNUP and caseDNxT, description is skipped. 171
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JAEA-Data/Code 2007-004 SRAC2006 :
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Contents 1. General Descriptions ..
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5.5 BWR Fuel Assembly Calculation (
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目次 1. 概要 ................
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5.4 三次元拡散計算 (CI
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1. General Descriptions 1.1 Functio
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essential programs of the integrate
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Sphere (Pebble, HTGR) 1D-Plate (JRR
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ecause the scattering cross-section
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As shown in Fig.1.4-1, one PDS file
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1.5.1 Fast Fission Energy Range (10
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i n m≠n i n i n i n i 1 i i g( C
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mixture(s) having resonant nuclides
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thermal energy range. In the fixed
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1.10 Calculation Scheme In Fig.1.10
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3 2 1 CALL MICREF [20] CALL REACT C
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homogenized P 1 spectrum obtained a
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Consequently next step ’CALL MACR
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1.11 Output Information Major calcu
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(4) A floating number may be entere
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2.2 General Control and Energy Stru
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cell. = 2 The PEACO routine (hyperf
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should be avoided for the core wher
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Note: Usually IC15=1 is used in FBR
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Behrens’ term of the Benoist mode
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Only the first character (capital l
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NET ∑ i= 1 NEGT( i ) =(Total numb
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Block-1 Control integers /18/ 1 IGT
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asymmetric cell is surrounded by en
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= 0 Isotropic (white) reflection =
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degree for the numerical angular in
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3 EPSG Extrapolation criterion 4 R
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Block-10’ Required if IGT=11, or
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= 2 Neutron from moderator = 3 Neut
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Unit Cell Periodic B.C. 4 2 3 1 RX(
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NX=4 NTPIN=6 NAPIN=1 NPIN(1)=6 6 ID
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RDP(1)=0.0 RDP(2) RDP(3) 14 13 12 R
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2.5 ANISN ; One-dimensional S N Tra
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7 IBR Right boundary condition, sam
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22 IPM Angular dependent incident s
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EV = best guess for α or 0.0 when
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Block-04* Positions of interval bou
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2.6 TWOTRAN ; Two-dimensional S N T
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Note: The original TWOTRAN uses two
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= 0 (internally set) 19 IHM Total n
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= 3 R-θ 31 IEDOPT Edit options. =
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= 1 Yes Block-4 Control floating po
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Repeat Block-20 through Block-21, N
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2.7 TUD ; One-dimensional Diffusion
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= 1 Monitor print at each inner ite
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equation is applied to meshes, the
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Pin Plate D2 D2 D1 D1 In cylindrica
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XYZ(1,2) Y-abscissa of the top side
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READ(9) (WORK(J+I),I=1,NDATA) END D
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absorption cross-section, each of w
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ITMX19 The upper limit of CPU time
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corner and there are the same numbe
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NUAC19 Override use of Chebychev po
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NUAC17 > 0 The constant for all gro
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ottom starting with a new card. For
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Card-006-3 Specification of meshes
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4 SIG3 Absorption cross-section (
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2 NFX2 Optional print control = 0 N
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Region 1 Region 2 Left Right X/R/R
Page 131 and 132: X T 22*11 Meshes 1 Mesh = 1 Region
Page 133 and 134: 2.9 Material Specification ’Mater
Page 135 and 136: fuel pin: MU08F0U2 and those in MOX
Page 137 and 138: hydrogen, add character ‘0’ to
Page 139 and 140: Usually, enter IRES=2 for the heavy
Page 141 and 142: 2.10 Reaction Rate Calculation The
Page 143 and 144: Block-1 Control integers for reacti
Page 145 and 146: 3 U238 The position of the second n
Page 147 and 148: 2.11 Cell Burn-up Calculation The i
Page 149 and 150: = 2 Information for debugging = 3 D
Page 151 and 152: chains under consideration is enlar
Page 153 and 154: MACROWRK file. 2 INTSTP Step number
Page 155 and 156: Block-8-1 Required if IBC6=1 /1/ NM
Page 157 and 158: e avoided. Because U08W and U080 ar
Page 159 and 160: 2.12 PEACO ; The hyperfine Group Re
Page 161 and 162: 3. I/O FILES We shall describe the
Page 163 and 164: (E(g),g=1,NGF+1) structure. Boundar
Page 165 and 166: LTH(1) = (LD(1)+1)*LA(1), ordered a
Page 167 and 168: Background cross-sections Member Yz
Page 169 and 170: INT(2) = 0 K-member only without sc
Page 171 and 172: Member name Contents **************
Page 173 and 174: (WEIGHT(g),g=1,NGF) Lethargy widths
Page 175 and 176: 3.1.5 Fine Group Macroscopic Cross-
Page 177 and 178: Member mmmmebfM or caseebxM /10*ng+
Page 179 and 180: Member caseBNUP Material-wise burn-
Page 181: Initial inventory in the restart ca
Page 185 and 186: (n/cm 2 /sec*cm 3 ), NRR is number
Page 187 and 188: 3.2.1 Common PS Files The following
Page 189 and 190: 3.2.5 PS files for TUD The PS files
Page 191 and 192: at the first column. Block-1-1 Numb
Page 193 and 194: = ‘DAYS’ days = ‘YEARS’ yea
Page 195 and 196: GD156 XGD60001 641560 154.660 0 0 0
Page 197 and 198: : ZZ050 1.50080E+00 *FP-Yield-Data
Page 199 and 200: Kr83 Zr95 fission β + decay, EC (n
Page 201 and 202: Ge73 Ge74 As75 Ge76 fission β + de
Page 203 and 204: 4. Job Control Statements In this c
Page 205 and 206: ~SRAC/tool/lmmake/lmmk/lmmk.sh, whi
Page 207 and 208: 5. Sample Input Several typical exa
Page 209 and 210: 613.0 650.0 760.0 769.0 & cooling 7
Page 211 and 212: 5 5 5 5 5 5 & 5 5 5 5 5 5 & 1 2 3 4
Page 213 and 214: 5.3 S N Transport Calculation (PIJ,
Page 215 and 216: XFEN0001 2 0 5.78720E-02 XNIN0001 2
Page 217 and 218: Water reflector Extrapolated B.C. B
Page 219 and 220: 1 1 1 1 1 1 1 2 3 008 -2 1 1 999 /
Page 221 and 222: Note: This sample is time consuming
Page 223 and 224: XCRN0008 0 0 1.55546E-02 XNIN0008 0
Page 225 and 226: ****** Input for material specifica
Page 227 and 228: T-Region R-Region X-Region Reflecti
Page 229 and 230: 6. Utility for PDS File Management
Page 231 and 232: To read in the microscopic cross-se
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7. Mathematical Formulations 7.1 Fo
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scattering kernel at point r’ fro
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The integration by R between R j- a
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G j Pij ( lattice) = Pij ( isolated
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We, however, should take care of th
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2 = ρ 2 + x r sin β = ρ R = x
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1 i ∑ − 1 k = j+ 1 λ ij = λ k
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where λ λ 1 is 2 is = = N ∑ k k
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2π ri −1 Pij = − Σ ∫ ρdρ
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In Fig.7.1-5, the line PQ’ define
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pin rod are divided into four regio
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the arrays T and II, respectively.
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Note that among four terms appearin
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If a group-dependent form of Fick
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7.3 Optional Processes for Resonanc
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7.3.2 Table-look-up Method of f-tab
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has been introduced for the correct
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ϕ i ( 0 u ) = ∑ Pij ( u) W j ( u
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Geometry b i m f b f −( γ + γ )
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will be seen in the reference 65) .
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The lattice cell under study may co
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(2) Two resonance-absorbing composi
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One of the physical problems associ
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and V = V + V , F f m where Σ m ,
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We shall discuss the following two
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where X = 2R p ( Σ C = 2R πρ R p
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• the reduced collision probabili
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The root mean square (RMS) residual
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group flux and for the fast group f
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Table 7.5-1 (1/2) Nomenclature Symb
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7.5.1 Smearing Smearing or spatial
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7.5.2 Spectrum for Collapsing The f
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Here, an equivalent relation holds
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1 F = K ∑∫ g * χ g ( r) ϕ g (
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M dN i ( t) M = ∑ f j→iλ j N i
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8. Tables on Cross-Section Library
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Table 8.1-2 (2/2) Element index (zz
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JEFF-3.0 are based on other nuclear
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Table 8.2-1 (1/8) List of SRAC publ
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8.3 Energy Group Structure The ener
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(4) Upper Boundary of PEACO Routine
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References 1) K. Tsuchihashi, H. Ta
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Experiment,” J. Nucl. Sci. Techno
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75) K. Tasaka : “DCHAIN: Code for
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