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RISØ-M-2257 USER MANUAL For the Probabilistic Fuel Performance Code FRP John Friis Jensen and lb Misfeldt Abstract This report describes the use of the probabilistic fuel performance code FRP. Detailed descriptions of both input to and output from the program are given. The use of the program is illustrated by an example. INIS-descriptors; BWR TYPE REACTORS; F CODES; FAILURES; FUEL PINS; MANUALS; PERFORMANCE; PROBABILITY; PWR TYPE REACTORS; RELIABILITY UDC 621.039.548 : 519.283 : 681 3.06 October 1980 Risø National Laboratory, DK 4000 Roskilde, Denmark ISBN 87-550-0715-5 ISSN 0418-6435 Risø Repro 1981 CONTENTS 1. INTRODUCTION 2. INPUT SPECIFICATION 2.1. Heading 2.2. Control variables 2.2.1. Administrative variables 2.2.2. Model selectors 2.2.3. Numerical data 2.3. Stochastic variables in design and material data X° 2.4. Experimental data 2.5. Power history, H(t) 2.6. Special design and material data, X s 3. 4. page 5 7 7 7 8 10 11 11 15 16 16 OUTPUT SPECIFICATION 3.1. Detailed description of the output common for all cases 3.2. Description of the output special for deterministic calculations (CASE 1 and 4) 3.3. Description of the output special for Monte Carlo Calculation (CASE 2) 3.4. Description of the output special Taylor approximation (CASE 3) 3.5. Additional output for OUT=2 (Maximum output) .... 17 24 26 REFERENCES 27 18 20 23 APPENDIX A. Specification of an example APPENDIX B. Complete input for a calculation APPENDIX C. Complete output from a deterministic calculation (CASE 1) APPENDIX D. Complete output from a Monte Carlo simulaticn (CASE 2). - 5 1. INTRODUCTION A computer system for the statistical evaluation of LWR fuel performance has been developed. The computer code FRP , Fue' Reliability Predictor, calculates the distributions for parameters characterizing the fuel performance and failure probability. The statistical methods employed are either Monte Carlo simulations or a low-order Taylor approximation. Included in the computer system is a deterministic fuel performance code, FFRS2), which has been verified by comparison with data from irradiation experiments. The distributions for all material data utilized in the fuel simulations are estimates from the best available information in the literature. For the failure prediction, a stress corrosion failure criterion has been derived. The failure criterion is based on data from out-of-reactor stress corrosion experiments performed on unirradiated and irradiated zircaloy with iodine present. Figure 1 illustrates the general layout of the system. Based on the applied load, H(t), the design and material data, X, the program calculates the fuel state, Y(t), distribution of temperature, strain, stress, etc., in pellet and cladding as functions of time, and the failure probability for different failure criteria as a function of time, W(t) . In the following chapters the detailed input specifications aregiven together with some explanation of the output. Finally, the use of the program is illustrated by an example. - 6 - H(t) o £g o STATISTICAL FUEL MODEL DETERMINISTIC FUEL MODEL FFRS Hit):applied load on the fuel (power, flux. etc.). stochastic process or a deterministic function of time. Ylt) Ylt): fuel state Istress. strain, etc.). stochastic process. STATISTICAL CLAD FAILURE MODEL FAILURE MODEL CDAM - Wit) Figure 1. X design and material data, stochastic variables. Wit): clad failures (stress corrosion, overstrain, etc.), stochastic process. Ylt) The Fuel Reliability Predictor. - 7 - 2. IMPUT SPECIFICATION The syntax of the input is illustrated in Figure 2. Each bracket corresponds to a logical unit which is described in this chapter. [Head (1 card text information) 1 [ Control variables: Namelist GBOTID Data for the whole run Stochastic variables in design and Material data I I Experiment name and experimental data I [ H(t) Power history; each card describes 1 time step Specific data for an experiment. Can be repeated for up to 100 experiments X ; Design and material data, spe* cific for this experiment [' Figure 2. Syntax of the input to FRP. 2.1. Heading Head: Text information about the run (1 card) 2.2. Control variables A namelist, GEOTID, containing administrative variables and numerical constants. - 8 2.2.1. Administrative variables Name CASE Type" Default I 1 Selector for calculational mode CASE = 1 Deterministic calculation using the mean values of X CASE = 2 Monte Carlo simulation CASS = 3 Calculation by a second order Taylor approximation CASE = 4 Deterministic calculation using *he mode values of X. IROD IROD = 0 IROD / 0 Selector for experiment, 0.<IROD<100 Gives the result for all experiments specified in the input. Gives the result for experiment number IROD LOOPS I 100 Number of trials in a Monte Carlo simulation 2<LO0PS<1000 RANDST I 777 The starting point for the random generator, RANDST/O NBGR I Grouping of the Monte Carlo output, see. p. 23. POINTS I 3 ORDER I 1 DEL R 0.5E-1 Describes the polynominal approximation used for the calculation of the partial derivatives in the Taylor approximation. A polynomial of order "ORDER", is fitted to "POINTS" sets of x, P(x) where the values of x are spaced by DEL x mean (X) for DEL>0 or by - DEL x standard deviation (X) for DEL<0 I = integer, R » real, and L = logical - 9 - Name Type ALL Default TRUE All stochastic variables are used in the Taylor approximation. ALL-FALSE only the variables specified by IMPORT are used in the Taylor approximation. IMPORT Integer array If IMPORT (i) = 1, variable no i is included in the taylor app. (ALL=TRUE overwrites IMPORT). IMPORT is initialized to all zeros FILEUD I Generation of data to plots No plot information The plot information is written on permanent files with the names FILEX, where X is FILEUD, FILEUD+1, . .., for the experiments in the input. 11<X<.20 are valid file names FILEUD=0 FILEUD=X MAXBER I MAXBER=1 PAR 1.00 No calculation with maximal interaction. For MAXBER=1 the program performs 2 simulations, the normal as for MAXRER=0, and a calculation with maximal interaction, where the same time step and gas release as in the first is used, but the thermal expansion of the fuel is ALFAF x MALFAF and the BOL cold gap is TGAB X MTGAB Factor for modification of the standard deviations. All standard deviations are multiplied by PAR - 10 - OUT OUT=0 Minimal output 0UT=1 Normal output (XJT=2 Maximal output Not used 0UT2 WDATA L FALSE If WDATA=TRUE a file with the m FILES is generated. The file contains the complete input for a calculation with the WAFER code. Should be used together with IROD/0 If IP0W=1, the stochastic variables IPOH in the power history are used. If IPOW=0 the stochastic variables in the power history are neglected 2.2.2. Model selectors Name Type Default ROSST L TRUE The heat transfer model proposed by Ross and Stoute RELMOD is used Selector for the 3 possible gas- I release models RELM0D=1 A model proposed by W.B. Lewis RELM0D=2 A modified BNWHT 4) model. For fuel temperatures below 1000°C a constant instead of the proposed equation is used. RELM0D=3 The LOOPY model, developed at Studsvik The NRC correction for high burnup is incorporated in all three models NKPSW L FALSE Swelling model from ref. 1 NKPSW=TRUE Swelling model proposed by N. KjarPetersen 7) - 11 - Name Type DefauH EPSILO R O.iE-1 General accuracy used as stop-criteria in iterations. EPSH R 0.1E-1 Stop-criterion for iterations on the gap-conductance EPSK R O.lE-1 Stop-criterion for iterations on the contact pressure ANTITR I 100 Vtaximum number of MAXTID R 800.0 Maximum time step for constant power (hours) POM0 R 2000.0 Maximum power seep during contact <W/m) DG0 DRBRG MAXPST R R I 0.5E-5 0.5E-1 Constants used for the determination of the time step length NANULI I 20 iterations 5 Number of annuli used in the calculation of gaseous swelling. NANULI<50 2.3. Stochastic variables in design and material data, J^* Each card in X° contains the following data: Variable no Distribution 1 card The mean value The coefficient of variation col 1 col 11 col 21 col 31 - Defined as, the standard deviation divided by the mean value. If the mean value is 0.0, the standard deviation is giver directly. - 12 - The remaining columns are not used. Valid distributions are: 1 2 3 4 = = = = normal distribution lognormal distribution uniform distribution deterministic value The integers in cols. 1-10 and 11-21 must be placed correctly and justified without any decimal point. The variables need not follow in ascending order. X° is terminated by a "variable no"> 80. DESIGN DATA NO Name Unit 1 2 3 4 5 L RCI TCLAD TGAB TDEN m m m m *TD 6 7 8 9 LEQ VP RF RR m m3 m3 m3 10 SIGMAF N/ia' 11 KAPPA m -1 12 YF 13 YH 14 YG 15 GRAIN 16 RH1 17 RH2 The pellet length, not used Inner radius of the cladding Thickness of the cladding The radial gap The pellet density in per cent of the theoretical density The equivalent stack length Volume of plenum Volume of the fill gas, helium Additional gas volume, fission gas mixture Uniaxial yield strength at 300°C for unirradiated material The inverse diffusion length for thermal neutrons in the fuel Anisotropic factors for the cladding material urn cm cm Grain size in the pellets Surface roughness of the cladding Surface roughness of the pellet - 13 - Unit No Name 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 P0RR1 P0RR2 PORR3 P0R1 POR2 POR3 WEFF DUMMY CO CI ALFAF ALFAC EC HOHE HOFISG HMEYER KM m m 35 CRS W/m 36 37 AO EO W/m 38 39 40 41 42 43 44 45 46 47 48 49 50 51 El E2 E3 E4 EFIS KMAX DELK NPL BFL FCLAD FU02 KSW KHTSW MHTSWL The porosity in the fuel is assumed to have three typical radii: P0RR1, PORR2, and PORR3; the porosity in each group is POR1, POR2, and POR3 hi m W/m W/m K-1 K-1 N/m2 W/cm°C W/cm°C 2 Kg/mm W/m } Densification parameter Dummy variable 1st- and 2nd-order terms in the thermal Conductivity of zircaloy Thermal expansion of the fuel (U02) Thermal expansion of zircaloy Young's modulus for zircaloy Contact conductivity with helium gas Contact conductivity with fission gas The Meyer hardness of zircaloy Mean thermal conductivity of U0and zircaloy Constant in the gap conductions equation. Not used Factor in the porosity correction to the U0 2 thermal conductivity Constants in the U0 2 thermal conductivity equation MeV MP MP/K Fission energy Constants in relation to plastic deformation of zircaloy cm/n Coefficient in the fluence hardening Zircaloy creep UO« creep Solid swelling rate FIMA"1 FIMA^K" 1 Constant in the hot (gaseous) swelling rate Maximum gaseous swelling fraction - 14 - £o Name 52 53 54 55 56 57 KBU LAM NY QREF QBURN PO 58 TSC 59 SIGN 60 FSC 61 62 SIGFAC ECCBNT 63 64 MALFAF MTGAB 65 66 67 68 RAMPST PFAC1 PFAC2 PFAC3 69 TFAC 70 FFAC 71 TAUREL Unit N/m2 } Not used Not used Poisson's ratio for zircaloy Parameters in FFRS Saturation pressure of fission gas with respect to stress corrosion Temperature difference, corresponding to one decade shift in time to failure for stress corrosion Normalization stress for stress corrosion Factor containing the uncertainty for the stress corrosion failure criterion Stress concentration in the cladding Eccentricity of the pellet's location in the cladding Factors used in determining the maximum interaction. See definition of MAXBER The first time step in the ramp Scaling factors in the power history The power from step 0 to step 1X1 is multiplied by PFAC1. The power from step 1X1+1 to step 1X2 is multiplied by PFAC2. The power from step 1X2+1 to step 1X3 is multiplied by PFAC3. The power from step 1X3+1 is unchanged Temperature factor, the cladding surface temperature is multiplied by TFAC Flux factor, the fast flux is multiplied, by-FFAC Time constant in the transient fission gas release - 15 - No 72 73 74 75 76 77 78 79 80 Name Unit The release in a time step is (l-exp(-TAUREL x AT)) multiplied by the steady-state release Separating points in the power history- (See PFAC1) 1X1 1X2 1X3 RELOPT KPOR RINNER DUMMY3 DUMMY2 DUMMY1 Parameters in the WAFER swelling model. Inner fuel radius in the LOWI design Dummy variables The end of the material data list is indicated by a No > largest valid number (80). 2.4. Experimental data It is possible to specify the most important PIE data in connection with the experiment name, these data are then printed in a table together with the corresponding calculated values. 2 cards < Experimental name Midpellet ramp strain, EPSMAX Interface ramp strain, MEPSM Max centre temperature, MTCENT Midpellet EOL strain, EPSSL Interface EOL strain, MEPSSL Released fission gas, RELFG Failure (l=failure, 0=No-failure) col col col col col col col col 1 11 21 61 71 1 11 31 - 6 20 30 70 80 10 20 40 - 16 - 2.5. Power history, H(t) Each card contains the following data in format (7G10.0) step end time (hours) i card step power (W/m) step outer cladding temperature ( C) step coolant pressure (Pa) step inverse neutron diffusion length (KAPPA), m-' 2 step fast flux (n/cm • s) The number of subdivisions of the step If for any step ^ step 1, the power, the outer cladding temperature, the coolant pressure, KAPPA or the fast flux are 0.0 (= blank columns), the value from the previous time step is used in the time step. If KAPPA = 0.0 in time step 1, KAPPA is assumed to be constant, given by KAPPA in the design data. The power history is terminated by a "step-end-time" = 0.0. 2.6. Special design and material data, X s The specific design and material data for each experiment are in the same format as X°- Even if no specific design and material data are present, the logical unit (specific ...) must be terminated by a card with no>80. - 17 - 3. OUTPUT SPECIFICATION The general form of the output from FRP is illustrated in Fig. 3. Each bracket corresponds to a logical item which is further described in the following. The parameter "OUT" determines the amount of output, on the Figure is specified for which values of "OUT" the individual logical items are printed. [Head] [Control variables] [X°] [Experiment name] [H(t)] [xs] X; Stochastic variables used for th is experiment. (X° with the changes specified by Xs) For each > experiment OUT > 1 y(t) and w(t); Fuel state and clad failures CASE 1 and 4 Z; Distribution of EOL and extreme values CASE 2 and 3 z; EOL and extreme values compared with experimental values CASE 1 and 4 Z} EOL, extreme values and failure probability compared with experimental values. CASE 2 and 3 Figure 3. Output from FPP - 18 3.1. Detailed description of ; output common for all Cases Head Always printed Control variables: Always printed Printout of the present variables General input design Data, X°: Always printed NO The number of the variable VARIABLE The name of the variable DISTRIBUTION The distribution ustJ for the variable MEAN VALUE The mean value of the variable COEF. OF VAR. The coefficient of variation for the variable Input power history, H(t): Printed for OUT > 1 STEPNR Step no. in the power history SLUTTID The accumulated time (hours) at the end of the time step. EFFEKT The pin power at the end of the time step (W/m) TCY The outer cladding temperature <°C) PY The outer pin pressure (Pa) - 19 KAPPA The inverse diffusion length On-1) FIFAST The fast flux (energy > 1 MeV) Printed for OUT _> 1 Outprint of the design data, including the default values Design data, X: Printed for OUT _> 1 Outprint of the material data, including the default values Material data, X: CASE X: X = 1 X - 2 X = 3 X = 4 Deterministic calculation using the mean values Monte Carlo simulation Taylor approximation Deterministic calculation using the mode values At last there is a comparison of some important calculated data and PIE data, for each of the specified pins. Where no PIE data is specified a question mark is printed. Exp. no. Experiment numbers in the input Name Experimental name EPSMAX Midpellet ramp strain. Calculated from the time step given by RAMPST. If RAMPST » 0, the deformation between the EOL strain and the minimum strain during the life is used MEPSM As for EPSMAX with stress concentration 20 - SIGNAX Maximum stress without stress concentrat * ••>.-. PKSTRS Maximum stress with stress concentration MAXSCD Stress corrosion damage index with stress concentration MTCENT Maximum center temperature EPSSL Midpellet EOL strain MEPSSL Interface EOL strain RELFG Released fission gas SIGDAM Eqvivalent SCC damage stress without stress concentration PKDAM Eqvivalent SCC damage stress with stress concentration P OF F Probability of failure. Calculated based on the assumption that PKDAM is normally distributed. The failure criteria is (225, 15) MPa. P Of F = P(PKDAM > (225, 15) MPa) 3.2. Descrlpticn of the output special for CASE 1 and 4 Fuel state, Y(t): Printed for OUT > 1 1. Page STEPNO The actual step number - 21 - END-TIME The accumulated time froat the starting point (hours) DURATION The duration of the present step (hours) TYPE 1 of 3 possible power states. RAMP, STEADY, or FALL which mean increasing-, steadyor decreasing power POWER The power of the end of the time step (W/cm) BURNUP The fuel burnup measured in parts per million PRATE MIDDEL The mean fission rate in the fuel during the time step (PPM/hour) TCY Outer temperature of the cladding (°C) TCI Inner temperature of the cladding (°c) TSURF Surface temperature of the fuel (°C) TCENT Centre temperature of the fuel (°C) TBRIDGE The bridge temperature ( C) RBRIDGE The radius of the bridge (mm) 2. Page STEPHO The present step number EPSEL Elastic strain (0/00) EPSTH Permanent tangential strain (0/00) PLAST Yield and primary creep deformation in the present step (0/00) TOTPLAST Plastic deformation giving the position in the yield diagram (strain hardening) (0/00) DVS Relative U0 2 volume increases by swelling, densification, and relocation (0/00) RELFG Fission gas release (0/0) HG Thermal conductivity between fuel and cladding CA The contact area between fuel and cladding. (Fraction of total area) SIGTH Tangential stress (MPa) SGEN The generalized stress (MPa) KONPRE The contact pressure between fuel and cladding (MPa) GAB The gab between fuel and cladding (urn) - 23 3. Page. Calculation with maximum interaction STEPNO The actual step number MSIGTH Maximal tangential stress (MPa) MAXSCD Maximal stress corrosion damage index MAXEPS Maximal permanent tangential strain (0/00) TCENT Centre temperature ( C) TBRIDGE Bridge radius (mm) KONPRE Contact pressure between fuel and cladding (MPa) GAB The gab between fuel and cladding (um) 'Exp. No.' Gas data HELIUM The amount of helium in the 3 pin (m ) FISGAS The amount of released fission 3 gas in the pin (m ) 3.3. Description of the output special for CASE 2 For all of the variables ?.. (explained for CASE 1), the following are calculated: MEAN The mean value STDEV Standard deviation - 24 MY2 2nd order laoment around mean, the variance MY3 3rd order moment around mean, skewness of the distribution MY4 4th order moment around mean, the kurtosis COEFV Coefficient of variation SQBl The skewness relative to the degree of spread B?. The relative measure of kurtosis For all Z. the calculated values of z. are written in ascending order. If NBGR > 1 the values are grouped with NBGR in each group, and the group avarage value is written. LOOPS/NBGR must be an integer. Below each value (or group) the corresponding fractile is given. 3.4. Description of the output special for CASE 3 For all the variables Z. (explained for CASE 1) the following are calculated: VAR*(DF/DX)KX2 Lowest-order contribution to the variance. The variance multiplied by the 1st derivative of the state variable VAR*(D2F/DX2) The second-order term in the mean value. The variance multiplied by the 2nd derivative of the state variable - 2! VAR-2.LED The second-order contribution to the variance KY3 3rd order moment around w a n , skewness of the distribution MY4 4th order »ment around mean, the kurtosis DFCX The 1st derivative of the state variable D2FDX2 The 2nd derivative of the state variable MEAN Mean value STDEV Standard deviation F(MEAN(X)> The lowest-order approximation to the mean value. The deterministic value calculated using the mean value of all stochastic variables 3.0RD-VAR 3rd order term in the approximation of the variance COEFV Coefficient of variation SQB1 The skewness relative to the degree of spread The relative measure of kurtosis. - 26 3.5. Additional output for 0UT«2 (Maximum output) For 0UT=2 there is an output of the namelist GEOTID. After the material data, there is a complete outprint of the initialized data, so it is possible to check the values in case of trouble. In CASE 1 there is an outprint of a name list TESTUD containing global variables for FFRS. In CASE 2 there is an outprint of the values of Z\ for each Monte Carlo trial. - 27 - 4. REFERENCES 1. 2. 3. 4. 5. 6. 7. MISFELDT, IB. Probabilistic Assessment of Light Water Reactor Fuel Performance. Risø Report No. 390, October 1978. (63 p ) . MISFELDT, IB. FFRS: A Computer Program for the Thermal and Mechanical Analysis of Fuel Rods. Risø Reports No. 373, February 1978. (53 p ) . ROSS, A.M., STOUTE, R.L. Heat Transfer Coefficient between U02and Zircaloy-2. AECL-1552 (1962) (67 p ) . LEWIS, V.B. Engineering for the Fission Gas in U0 2 Fuel. Nucl. Appl., Vol. 2, April 1966. (171 p ) . BEYER, C.E. CAPCON-THERMAL-2: A Computer Program for Calculating the Thermal Behaviour of an Oxide Fuel Rod. BNWL-1898 (1976). JOON, K. et.al. Private communication. KJÆR-PEDERSEN, N. A New Version of the LWR Fuel Performance Model WAFER. In: Transactions of the 4th International Conference on Structural Mechanics in Reactor Technology, San Francisco, Calif., 15-19 August 1977. Edited by T.A. Jaeger and B.A. Boley. Vol. D. (Commission of the European Communities, Luxembourg). Paper no. D 1/3. - 28 - APPENDIX A A numerical example The use of the program is illustrated by an example which simulates a control rod sequencing in a BWR, where the power is returned to full power immediately after the control rod movements. A fuel rod in a high power position, close to a control rod which was inserted a short period and then withdrawn is analysed. For the design data values are chosen that are typical for BWR. The power history, design data, and stochastic variables in the material data are described in the following. The power as a function of time is shown in Fig. A.l. The uncertainty of the individual pin powers, as calculated by a reactor physics calculation, is at least -5% (-1 standard deviation). The three power levels (P., P 2 , and P,) can be considered as independent. The uncertainties of the fast flux and the outer cladding temperature are assumed to be -5% (-1 standard deviation) and -2% (-1 standard deviation), respectively. The power levels, the outer cladding temperature and the fast flux are assumed to follow a normal distribution. The irradiation conditions (power history) are summarized in Table A.l. The used design data are shown in Table A. 2. The nominal values are used as mean values, the standard deviations are based on typical tolerances for BWR fuel. All design variables are assumed to be normally distributed. For the material data the default values in FRP are used. The mean value, standard deviation, and distribution type is shown in Table A.3 for the stochastic variables in the material equations. - 29 - p3 -J LU -> Pi 111 cc LU £ O 0. p2 IRRADIATION TIME Fig. A.l. Power history for the example. Table A.l. Power history for the example period h power* w/ca 0-24 24-1S400 15400-15401 15401-17630 17630-1700. 01 17630.01-17654 0-360 mmmn value« 360 360-136 (ait flux* outer cladding 10 14 n/c* 2 »«c temperature* 0-1.0 1.0 1.0-0.4 136 0.4 136-410 0.4-1.15 1.15 410 29S 295 295 295 295 295 - 30 - Table A.2. Design data for the example Malo.fi parameter Inner cladding radius Cladding thlcknass Radial gap SvnSiLy Equivalent length Pieman voluae Pill jas volume Cladding yield strength at 300° Inverse neutron diffusion length Average grain aire Cladding surface roughness Short naiae Mean value RCI 5.33 TCLAO O.SO TGAB 0.11 TDEM »6 3.6 37. 37. LR," VP RF Standard deviation 0.0075 0.021 0.011 0.«7 0.72 7.« 7.4 SIGHAF 300. 15. KAPPA GRAIN 80. 25. 16. 5. RH1 Fuel surface roughness RH2 130 90 •m •a m> 1 TO * o»i «J MP 26. IS. 2) Denslficatlon parasieter WEFF" 0.1x10 * 0.035x10,-« Anlsotropy factors YF • .5j YH .75, »G Unit UM .25 Porosity distribution: 0.16% porosity with r - 0.1 vm 1.6* porosity with r » 0.6 u* 2.2t porosity with r • 6 urn - 31 - Table A.3. Stochastic variables In the material equations Short Haterlal property Distribution* Mean Standard value deviation Zlrcaloy thermal conductivity CO M UOj thermal expansion ALFAF M 13.5 -5 1x10 Zlrcaloy thermal expansion ALFAC H 0.53x10 Youngs modulus• zlrcaloy EC N 1.01 0.1x10"" -5 7.S.10 Unit 10 --1 -5 0.05x10 O.SxlO 10 M/.' Mean thermal conductivity KM of 00, and tlrcaloy t.5 0.9S 1.2 0.42 2.5 0.5 8.056 0.3 20 «/• A constant in the gap CMS conductance equation LM Factor in the porosity correction EO to the UOj thermal conductivity Constant in the U 0 2 thermal KSH M H H N N N LM LM N KHTSM n 4.75xl0"3 MMTSWL N N II N II LM 0.1 0.3 conductivity EI Fission energy EFIS UMAX DELK Zlrcaloy plastic deformation ( HPL BFL Zlrcaloy creep FCLAD (X>2 creep Solid swelling FU02 Hot (gaseous) swelling 4 Poisson*s ratio, slrcaloy MY Parameters in FPUS 0REF OBum Stress concentration in the cladding Eccentricity of the pellet N - normal distribution LM - lognormal distribution SIGFAC ECCEMT 200 1.2xlo' -1.4xl0 6 0.1 0.12X109 MeV MP 0.22x10* M»/R 0.012 - 0.4xl0~ 21 O.OSxlO" 21 cm/n 1.2 1.7 0.5 2.5 - o.a O.OS 20.X10 3 0.5x10"' 1.25 0.5 riMA - 1 lxlO*3 PIMA 0.02 0.07 - 4.X10 1 0.1x10"' 0.2 0.2 - 32 - APPENDIX B Complete input for the example described in Appendix A. With this input a deterministic calculation is performed, the mean value is used for all stochastic variables (CASE 1 ) . If one of the other 3 cases are wanted the only necessary change is to insert a specification of the case in the namelist GEOTID. - 33 - O O o t • hl • • • u u u • • • • IA •O« oo O • kl • • om. •• l o o o i n o OOOOMMNON ooo • I I UIUUI oooo • t •»• klklklkl OOO NNN o IA (*» UIUI o > O cv o ooooo I I I M UIUUktUKO kl mo«<o «© mmtno o o o o - » r v o • • • • • o lAtn m «» • • •<» *|k.K-00 • • • • *9*< • • • > 9 H • moo<M*><n«nfn » O O O M H • «e<ooo • • o rn<0~« •«» • •O0)inN>CM(MfnOO«OO9<M'9in<-iCM9'0 • in • • • • —o o o o • o o o o o <© o IA CNM*>«lA«*»«DO^(Mf>>«IA4»>a)P»0<M(M<n«'IA»<Mn«0 o "• hlZ <0 *•» •-• o o o <*> • kl x e o O M O M t n owo<nnwn »«l\«*)«'irt<0K.«»O<HlM«n«lA<eK«>»C»«4<V(n«lA4IK.flB»O»4M«n«lA<0K«M - 34 - APPENDIX C Complete output from a deterministic calculation with FRP. The output corresponds exactly to the job given in Appendix B. - 35 t*»nH.C 1 CUNTwQkC VMIASICSI ADHINISTR»TIO«M O l O F 0 t MUOCL CONSTANTS' NUME»IC»t CONSTANTS« CENuG OPTIONS« HH?$* m N»MUL|. HAXTTO« " , 0 0 . TESTST« USISL»10 Pl'CsN tuu zoeo. • • ;.t-05 LrtM*G • v5o pAxPST. tPSUU« i-01 L»SH • .••I 0o£:2» CfSK • .;ut«ot .. ooo t l0 hr 3 READ VI* NAHlklST SCOTIO ANTITR« TSTLUP« TøAnP > TCYCl IkOhT • CRÉNO" tf loO l •iot-Ol GENENAL NO VARIABLE INPUT DESIGN DAT« OISTKISUTION »CAN VALUE .3)301.-02 .«000t*03 .Il00i-03 S .•eoot»o2 .3*00i*0l .3*001*0« .3700t-ON .3000t*0* .ot>00i*02 .b00l)t*OO i! .rsoot'oo I .2S00t*0U 'AWV-tt .fOOOc-03 .tOOOt'O* .»O00t*0f . UOOi-02 20 i il !* n COEF. ar VAR. •15831 .ICCr-Ol • 20(iE*00 •200E*00 •sooc-ol •200E*00 0. •200E*90 8: 8: 0. .i«oot-oi IlOOOt-0« 0. .J50E*00 0. •200E-01 •mim .20001*01 8: .40001*0} .é000t>01 PIN X INPuT PJ»)E* HISTORY STSPNR SLUTTID errcKT NAPPA p. 9. 0. i NO VARIABLE 2 INPUT DESIGN DATA DISTRIBUTION MEAN VALUE S: 0. coxr. or VAR. rirAST »•m-*«»m*-oiow4Cn.*t»w*M'o a > « w w » u w i •o<D»"<»m*toio»*c >U»UN» D "SK" P. ooooxiooopioi^ioooriooouxzzioiixrmxizoaDztarxoooxiicx -» ir«wuiivii^inxixnrrizi<vv7nuiiniixzizii]innrixxniif<r(Piixxni u x x » s a w » » » a a > c > » x u » » » > * » » i > c c o > » » a » » » x c » x a x » » a » i x x x r r i M x r i r r r « « T M i i r r r r i r r r » » » T r r x x i r r j o i r i i x r r r i r • c -* WWHCIOI1 w t'i'iuHooawnnoarwfiwoBoeweocicooeBOonwnQawoowwnBooiio s M I mm n m a n • i » » i i t i — » J I - « » » » » C » « » « » » » » » - ^ i « • » » » » i « » » » - » » •» •i1»«iilSi1iiil«l«» I • ••••••••••••••••••••••a pCM«>«e60aNiMeoo •^••»y — o w o * o o c e o M c e w o o e o oooooouo i/oocooocceoooos eeeooooo «. MMcoew«McaoM««Msecoee«ce»««N«»e«w«ncee«aNcgo e c CW*MJ*mH **• NNN *|»J»«»..»e »••-»»»* i mm » i i i n n «•« «• nru* ••* m w w i'«nwi'iw •«•««*«*•• • M Q « « • < M MMOOSWO « ^ W*> m p»m i« • • S O OO » l l i l l l i i l * M 4 < < ococoooceocccco »>•• m w t u w K e c w « Ul mnm n a • « • • -^ O M O e n o• o • • * « • • • • oooooooo » « • - « < »annw IM«M:»>«IM MMM NUl oeo ee e e oooo»o> nr» eeeeooN* e• e• O e e»- e e0 »eie o• ei Ptf ee iem*iiii o• e• o• oee r- er c n — -« I>J ° I OOPOCOOOOOOOOCOOOOOCCOOCOOCKKVOOOWOOOOOCOOCOOMIi ooooccooooocco&coccoocoooocccccoo&ococooooc^ao W|irW'MI'M'll'll'l'M'M'M •'TI'M'W'II'II'M l ' l l ' M l l l > m i V r , ' t W W ' H »'WW II » V W » M OQOUOOOOCKVCOOWQOWOQVOC'QOWOOOOOOgC'OOUOCGIOlIXl 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 * ^ 0 •*O*O^0H^»*4^tf**OO>MOOMH»*»w*^<W»>»***^*OO^^Oa-' l «*>é0>«>UlUi»»»iU4«»O •»*H*»'<H»— » M O I » H » » < » O W W » M i < W N W O t n < » O t f O O Q O ftj*j«sir\»oism>fo*>r^Kjru»j»jrotu^^ »op 000000000CC00OC0C0CO00CCO0C000C0C&CC0O00CC0"40W0 o o o o o o o o o oo o o o o o o o o o o o o o o o o o o o o oooooooooooo«-** v»o ««««o««o«o«'a«0'»><ooo««g «•«««<• o«oo«*o « «« *« o o « « ^ « w w * o » W W i j » W W t f W U U W t o b b > k M r f U*W Wfc*»fa»4»>Ui i i » t o ^ fc*U' to Wh<to«M O t j l M**«wfU m n i » ^ t « > ' » ^ « > » « » i t i » i ' i ^ • » • ! • • « • • » ! • • • • > • • » • » - • < - i - » ' i ' i i | i i n •> i ' i ^ ^ ' K ' • * » * * •> * •* *•*> »iM»uiwm*w*oio»u**mjHMjHJHjHmj»otu^»»j»uHJHJ»uiu»» o*« • -*ra r < M W » ^ N B > » « « 0 0 « - ^ ^ M I W > W W W W C • * t»Vlt»«0>0> ^ ' l a X X O O ^ - O ^ 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 OOOOOOOO O 0 0 0 0 0 * * U I tfKl^»^A>ftl^Hu«M^nMJAHtf«J^«nMM^fluMf^rA•^»•u^»•^llufa«o*- - Z.E - 38 - «i**im*itatiiaiiå**ii*iiMmmmMimmmmf*^m9S •*•*** m i n w n • <mm—m*m«»+naø* ^rtlW«WWW<< »l«ll»W»l«M>WWWin«>IWWOTIWWW><>»WI»>)>(>l«<l»»lll»l<<iMWI«»<WI<«l»WWW><IO m I'M^^IPIWPIWW^^WX^WØWIPIWWI^WIIIPIW^^W^^IHIIII'II'M'IPIW I •• I» Q Q « ^ » > | O 0 3 0 0 0 0 0 900003O000OOC wcw««c»iif«wwi»iwj|>»iw*<w^*iww<i»i»ii»i»ii»i'>.*i»nwi»wniwwrti<» I Q U U . n w i > » > 10 m***mam » o o w « w t w w m n w i p » ooooooooooooooooooooa ««»••««•« et inrtT^wwm'wfVf* i« • »'ii'wnnwnii|wi'»'»ii'»iHniM n n m n » » « » i*>-»- »-»-»->-»••-*->-»- >•»•»-»•»• » • » • » - > • » - »-»-•-»->->->->-*-v>->->-j»-»-».«.*».>-»->-j»- aauooaooaooaaBoaoaBooaoBaaoBOOMaaoajaontiiooojB o oo'aopooogoooooooe 15 OOOOOOOOOOOOOOODC •OMOONMOM »i ii m • — > • — < »•••••••••a W»rt-fc*rt»Wj-lfH m m i m m i i i i i i u i«»»i»i t '«:'•_j:9B,:tfyrsgr7S •••»•••>•••••••>•« 4 ">. W > W I • • • •«>—W » • •«»( i ••!»• ^ •«—«—WWWW i » m » » n » » x Pwyyy^^gwiPW_>i_w_i>jMi • w WJI _•_>_•!jpii www w _ w w >•»_•»_» w»i>» My_w_n_»i w y y y y y y • — M w a e — o « o « a o « o « « a a nan m m « a a i » » « « « « » A « o o a e — o o > >««HDMDOIBDHI»HmOMM»CB»Q——H)00—»»»ODOOOO 2? 5 »>o»oeo—o«mii •> • loaeaoo MWMMIMMMWHMMMIMIMkMIMIMWWIMIMWtM •***M<M««MM««M*M*>«M«e«eD4a*aoaa«a«DaaM s HWl!llll|<»««l»l«IW»»«W«IWM««OtO»0'""' HWIIWWUWIIIIIIMWMWM« * X eeooeeeoeaeoooeoeeoeeecooooeoooeeoecoeoceoeeeeeeeoee • 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . X > w o o oooooooooooooooooooooooooooooooooeooooeooooooooooooo esbOboeeeeooeeoceeoeooeeeeeeoseeoeeeooeeecieoceMoeoo ocoooooooc«wcooi/ooaoeceeecciiccocbococccec/eoooosecec eeoooooc«ooooo«coooccooo«occoe«o»ocfcOcc«ooeeeeoMoe »——oeooooooooooooooooooooooooooøoooooooooooooooeo » C M • '«MOI>C>»»»>IOW«M««««»«W>W»»'»NO»N<»H»«»0«WUI«M»0*«l>IS"CWIW> . . » . » ^ . » ^ . ^ » . . . t . H I » » ^ I « . I M » ' > I | •• •• •• »—».» »»•» »• • » • » • . . . . • i . » I ' I 1 I | H I | ' I . I » M ' » ' I ' I 1 O ecooooeeoeoeooooooooooooooocoooooooooeeMoooooeeoeHii s • • X ••* •* O fe ^rf^tf^rittf €tf^tf^rt ^tf^tft^AM^MUMHUIhå ftt^b I t t m oeeeeooceoeeoeeoeeooooecocccooooeccccoccceeeetcceeee "» •• .................................................... » oooooooooooooooooooooooooooooooooooooooooooooooooooo oooooooooooooooocooooooooocoooooooooococooooooooooco n »oo»-w»«i»-c»fi rr<u«tiu W M » m m ~ Ifr " — --• - . __ t**teilW»*O<t<0'**V l »te'*'»*C'i4a'"*4A*tetfe>»'O«0'**V , »W*l»*O«0^tV , f * * * 9M*»cooeecooooeoo6reeecooeoeooc<oocoooooc6c »o*o o-to o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o ^^*lfl»^Ur«*Ul»<»^«»^**kHi>»Uti»WNM*flH*4*f-*Owe«O*>«'0<Oa**»** NM«OC**«»**A*»^N"<004«000»''-»'hlUg|1iwwW4Élli«UbiyW4rfUtoU «*^Ofc*0***4»*Ut»0.»<*U'Owa«--*-''iC'tSi<C»G0«-»-»-fU*>MUiU'»t*V'»'<«(» ***fOO^»^»*»*MtfO*»*~«^^»MO*>-H*U*UHJ«J*j^UK»\*U«U>U*J*1JI OC«tf«ii«HwC«OCMtMuMK»^*'»^'»'CC&CCOCCCCCOCi006COC C o o w » » * ' « s o e o o e » u « u o « N V * w o v » »MOOOOOOOOOOOOOOOO OOØ<M9M00OO0U>«(|l»«UU'4HUWUD»*«l0OOOOO0000000OO 4U«OOOOM*WIUOOeeOOOOOOOOOOOO*«waM-#"««0«N-4NN N W C O O O O i • «UlOOOOOOOOOOOCCOOOO»»OMSO«XMtfUmÉHi> .»».........*«* CPSHAX t PIN X C*L PIE .271E-03 .»OOE-03 HE^SN .»53C-03 .1S0C«02 CX«*PkC I •••••••>•>•••••••••••••••»•••••••• SlaMAX PKSTRS »AXSCO .23oE*0» » ,333E»0» T .ia?t»02 » HTCENT EPSSl MEPSSk .|61E*0* •,3*Ti.-02 -,2j9f02 <170E«0« -.»ØOC-OJ -«J00£-03 ItLrO ,M2£»00 .1S0E»00 S16DAN .2<tE»0» T PHO*N P OF f ,)OE»0» 1. - 44 - APPENDIX D Complete output from a Monte Carlo simulation. Only "CASE" is changed relative to the input given in Appendix B. o: se •--»-».x u iu c o uiuiutfib.A.acwa:oi/ici u. xft-uaNrxtvirm u|E 4 »• 3 Ml M t9tft .J 000000009 A AAAAAAAA •?•*•??»? *- « < » » « » , a. a . * no. obaxujuiij« h. 3 3 ????????%?n???f????™?tf° 5 S IT; g|og^l^o#^3£^o'33S£o£3 .kDosimNiasoaunaaooso — - ««»i.ir»«ivw«« ?????2??? « « M o U i ummggmm t « T t « t ( ( • aotooonoone »3 a. i*, o e o o e e w ee*«eo m IWWI i • -J e o O W>W«K-»CHWH«» Noonniww > c«* ggssssfJiy-^-TKSPs ? r»^ iiznzzie n n m m r » T r n n y » m r r f T j r i i J»»rfrr » « m » r i n r m r x n s x -« — c • • » • • oeeceooeewecMeeeoNoeeeeeee«ONe'«i«eMie>«neuwNui«e»uo«u z eoeeeooeeeoeeocooceooeeoeceevienoceoceceHuwuioooooeceeeeui gg«ocaoo<o»ooooo«cooooooooooooooooooooowwtgogoocqocOQo < oocotcoooogocopooaococoopooooccocowcocooetiooooocc-eceo c »V-****»»M ece w • oi • «>i -. -- — - £sssHSK§asg£@£s I oeoocicooovccooo o o o e o o u o eocooeeoeecoeee ecooeoee < r i i i i i i m t M M ««»nww»uw«ee«w MMM eee «• »••»• «• ••• * * * * * * * * * * •• •• •«• • -^ • i« « • • • * r- ocooooococcoooo oocoooco c « e • • • ooo *«>«IW^JU oooo-st ooseeov eeeoooe m ••••• c A * c a ••••• •*••• C A S E 2 ••••• MONTI CARLO •IN x CALCULATED MEAN ANO HIGHER MEAN AND STOCV FOR HTJ. .1596E-0A MEAN AND STOEV FOR MYJ« .171BE-05 ME»SM I MY3« MEAN AND STOCV FOR MYJa E'SMAX« MEAN« MY3a .4278E-10 .7«64E«I6 SlGMAXI MT3« *Y4a .48709E-03 ,e*«3E-U COEFVa MT«. .1S245E-02 .9«9dE-U COEFVa MTM .2>24tE»09 .2710EO3 coerya *Y4a ,3*909E*09 .13S«E*3« CUEFVa MEAN' .2040E-OS MEAN* •.l279C*24 MOHENTS MEAN AND STOEV FOR MY2« .2013017 PKSTHS" MEAN" MY3a •.U2SC»24 MEAN ANO STOCV 'OR MT2* .ll26C«24 MAKSCO' MEAN« MT3a .3721C08 MT4a .33734E*U .1242C449 MEAN AKC STOEV FOR KT?« .2324E«0S HTcENTl MEAN« MY3a .ljBOE»Or MT4a ,14«33E»04 .U30E*10 MEAN AND STOCV FOR MT2a .4«24C*0S EPSSL • MEAN« MY3a -,l»64E-07 MT4« $TOEV« .82«96*00 .401S3E-03 SQdl« ,6«94E*00 02« O3S2E*0l ,9l48E»00 B2« i321«E»01 .353oe«oo .S«12«E«06 sail« *.iS3SE*oo B2« f«382E*01 STOEVa ,39TU*0O .U2S9E*09 SOSl« -.3949E-01 B2« <3346E»01 »TOEV« COEfVa ,9997E*01 .3)722E«12 S O U « .»«49E«0l 82« i960U*02 COEFy. $TOEV« .932BE-01 .1S32BE*03 SOBl« .4454E»00 82« .3049E»01 b2« .1031E»02 82« .6301E»01 .B9UE»00 82« .3340E»0i STOEV« .8630£*00 STOEV« • D174E-02 SOU I « -J MEAN AND STCEV MY}« flR .3497E-0S MEAN AND STDEV FOR MT2« .5304E-02 HEl>SSL> MY3« l MY4a ,20«5E"09 MT4« .9402E-0« MEAN« .3444E-03 .2402E-09 STOEV« COE.'V« -.2S761E-02 MEAN« •.1063E-0* RELTQ MY3« -,3'«UE-02 -.5901E*00 JTDEV« COEFV« ,17Q16E*00 -,»312£»00 STOEV« COEFy. ,4302t»00 .2207SE-C2 SOiJl« •,1874E*01 .23«89E>02 SOol« *.782lE*00 .73207E-01 SOila MEAN AND STOEV FOR MY2« .*32iE*i» SlSOAMl MEAN« HY3« *.S424E*24 M»4« ,239S4C»09 .2244£»33 COEFya $TOEV« ,4O5lE»0O .97031E*08 SOBla •,602BE*OO 62« .2«06E*01 MEAN AND STOCV FOR MY2« .U5«E«17 PKQAM I MEAM« HY3a •.1«,1SE*25 MT4a ,33312E»09 .B4MEOJ COEFy« $TOEV« ,36)9E*0O .12118E*09 S8U1« •.Bte2E*00 B2» .400«E»01 _ 48 VALUES ro« EP&rtAx - . 3 0 1 1 - 0 3 - . 1 * 7 1 - 0 3 -.149E-03 -.«57£*04 - . 6 6 0 E - 0 * -.603E-04 - . 7 0 0 1 - 0 4 - . 2 »71-0« 0.0*47 0.0747 0.0070 0.03b« 0.056s 0.0444 0.01*9 0.024* .23*1-05 .190E-0* •431E-0* .«6»E*04 .9301-0« .9641-04 •104E-03 . 1 0 7 1 - 0 ) 0.1J46 U.144* 0.1544 0.11*5 0.0966 0.1769 0.13*} 0.3667 .UOE-03 .I21E-J3 .123E-03 .134E-01 .146E-03 •1671-01 .1*41-03 0.20*2 0.2161 0.1*42 0.2241 0.2341 0.1663 0.1743 0.1143 .2*11-03 .258E-03 •2401-01 .2421-03 .me«o3 •191E-03 .193E-03 .235E-03 0.2759 0.285* 0.3056 0.2560 0.265* 0.2»5 U 0.3157 0.2440 ,26«E-03 .279C-03 .269E-03 •26WE-03 •3U«E-0J .3091-03 .31*1-01 . 3 1 6 1 - 0 ) 0.3755 0.325? V.3635 0.3456 0.3556 0.3*54 0.3357 0.3*5-> .326E-03 •34OE-03 .144E-03 •3*iC*03 .3531-03 .354E-03 •3661-03 . 3 7 2 1 - 0 ) 0.4094 0.4153 0.4253 0.4353 0.4552 0.4451 0.4452 0.4/51 .38*1-03 •424E-03 .454E-03 .4561-03 .4631-01 .449E-03 .474E-03 .4*51*03 0,5244 0 . S U 9 0.4651 0.5J50 0.5349 U.544R 0.354* »•4*50 .5051-03 •526E-03 .544C-03 .547E-03 •365E-03 .57*1-03 . 5 6 7 1 . 0 3 . 4 0 1 1 - 0 ) 0.5647 0.6044 0.5946 0.41*5 0.4345 0.3447 0.42*5 0.5747 .6121-03 .414E-03 •633E-03 .636E-03 .6551-01 .657E-03 .6541-03 .472E-03 0.6444 0.4743 0.4641 0.7042 0.7141 0.6544 0.6942 0.6643 .n«£-o3 .710E-03 .720E-03 .735E-03 .75*1-01 .7631-03 .7741-03 .**5E-0) 0.7440 0.7«34 0.7S40 0.7341 0.7*39 0.7739 0.7936 0.7241 .6661-03 . * 7 : £ - „ 3 .6641-03 .6641-03 .66*1-01 .914E-03 •941C-0J .9441-03 0.6034 0.6337 0.6137 0.6334 0.6433 0.6733 0.6237 0.643* . t T l E - 0 3 .97*1-03 .»93E-03 .9*41-03 .100E-02 •103E-02 •1221-02 .1341-02 0.6635 0.9133 0.9233 0.6914 0.9333 0.9432 0.9532 0.9334 .I3SE-02 •144E-02 .155E-02 .1771-02 0 . 0. 0. 0. 0.**31 0.9930 0.9731 0.9631 1.003« 1.0229 1.0129 1.0329 VALUES *o* ncPSH -.300E-03 •.1*71*03 *.172E*03 -.7111-04 -.700E-04 - . • 1 9 E - 0 4 . 4 1 7 1 - 0 * .4441-04 0.0349 0.0466 0.014* 0.02*9 0.0544 0.0**7 0.07*7 o.ooro • UOE-03 .14IE-03 •164E-03 .1501-03 .174E-03 ,21*1-03 •2301-03 .2441-03 5.1345 0.11«5 0.0647 0.09*6 0.1544 0.1267 0.14*4 0.10*6 .3401*03 .3551-03 .3581*03 .3631-03 .3621-03 .3971-03 .4041-03 .40*1-03 0.14*3 0.2062 0.1*62 0.1663 0.23*1 0.2241 0.1763 0.21*1 .623E-03 .•27E-03 .4341-03 .4371-03 .4921-01 .4331-03 •706E-0) .72*1-03 0.2759 0.25*0 0.2459 0.265« 0.3»57 0.3098 0.24«0 0.293« .735E-03 .759E-03 .7651-03 .7861-03 .7*91-01 .6261-03 .6591-03 . 6 5 * 1 - 0 ) 0.3635 0.3556 0.345* 0.3655 0.3257 0.3725 0.3357 0.3*54 .916E-03 .923E-03 .9381-03 .9701*03 .9611-03 .1011-02 •1021-02 .1U41-02 0.4054 0.4353 0.4253 0.4492 0.4451 0.4153 0.4552 0.4751 .1091*02 .1191-02 .1271-02 .12*1-02 .131E-02 . 1 ) 1 1 - 0 2 t1391-02 »1*31-02 0.51*9 0.9249 0.3050 0.33*9 0.«651 0.4950 0.9446 0.554* .1451-02 .1*71-02 .1461*02 .149E-02 .1521-02 .1541-02 •1551-02 .14*1-02 0.5647 0.6044 0.3647 0.5*4* 0.43*3 0.42*5 0.41*5 0.5747 ,1791-02 .1*01-02 .1621*02 .1*61*02 .20*1-02 .2031-02 .2091*02 . 2 1 ) 1 - 0 2 0.4M2 0.6743 0.644* 0.6544 0.684) 0.71*1 0.70*2 0.6643 .22*1*02 .2261*02 .2341*02 .2351-02 .24*1-02 ,2511*02 •2*01-02 .2641-02 0.7241 0.7*3« 0,763* 0,7*3* 0.7739 0.7341 0.7540 0.7443 .2671*02 .2**1*02 .2771*02 •2*7C-02 »303C-0* .3J6E-02 •3191-02 .3201-02 0.6337 0.6237 0.6137 0.64)4 0.8010 0.65)4 0.6.39 0.6735 .321C-02 •3*2C-02 .3471-0« .3371-02 •372E-02 .3761*02 »3*91-02 ••061-02 0.S635 0.9133 0.923) 0.99)3 0.9432 0.6*34 0,903* 0.9333 .4391*02 .4471*02 .5201-02 .3*01-02 0 , 0. 0. 0. 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• - • fc< * V • •*• » X * » » » M -»•» » * * «•#• W « *** W M • » « •-#» * < « W • • v i sss — r : • • • • • ! : » » : : : : » • : » : : • • * • • « • o«- « • » i i • » M • >*• • • *• • • • •• f; - * t * • » •«» • • --. •«• • • • • • • o » • • • M M fe *» • •» • • • • • * *>«» O • •<•• « • O M «-• MX •»• w« <*• >•• «< o« M«» "•«« • « • «•<• o « - «• e « • • » • O«* C * —• » • M« • • » * » 9 -«• » O Rise-M-l2257 Risø National Laboratory T i t l e and a u t h o r ( s ) Date O c t o b e r USER MANUAL 1980 Department or group For the probabilistic fuel performance code FRP Department of Reacbor by John F r i i s lb Technology Group's own r e g i s t r a t i o n number(s) Jensen Misfeldt pages + tables + illustrations Abstract This report describes the use of the probabilistic fuel performance code FRP. Detailed descriptions of both input to and output from the program are given. The use of the program is illustrated by an example. Available on request from Risø Library, Risø National Laboratory (Risø Bibliotek), Forsøgsanlæg Risø), DK-4000 Roskilde, Denmark Telephone: (02) 37 12 12, ext. 2262. Telex: 43116 Copies to