VVER-1000 Coolant Transient Benchmark - OECD Nuclear Energy ...

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CFD RESULTS AND DISCUSSION Figure 4.20: UNIPI CFX 10 results – angular turn of the loop #1 flow centre Figure 4.21: UNIPI CFX 10 calculated core inlet temperatures in comparison with plant data Temperature, K Temperature, K 558 556 554 552 550 548 546 544 542 540 Experiment UNIPI CFX 10 (k-ε) 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Assembly # # 46 V1000CT-2: SUMMARY RESULTS OF EXERCISE 1 ON VESSEL MIXING SIMULATION – © OECD/NEA 2010
Figure 4.22: Assembly-by-assembly comparison of all core inlet temperature results 558 556 Experiment CEA - TRIO_U (LES) EREC-REMIX v.1.0 (k-ε) ORNL -FLUENT (k-ω) FZK - CFX 5.7.1 (k-ε) FZD - CFX 10.0 (SST) BUTE -CFX-10.0 (SST) UNIPI CFX 10 (k-ε) Experiment CEA TRIO_U (LES) 554 EREC REMIX v.1.0 (k-ε) ORNL FLUENT (k-ω) 552 FZK CFX 5.7.1 (k-ε) FZD CFX 10 (SST) 550 BUTE CFX 10 (SST) UNIPI CFX 10 (k-ε) 548 Temperature, K Temperature, K CFD RESULTS AND DISCUSSION V1000CT-2: SUMMARY RESULTS OF EXERCISE 1 ON VESSEL MIXING SIMULATION – © OECD/NEA 2010 47 546 544 542 540 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Assembly # Assembly #
Page 1 and 2: Nuclear Science ISBN 978-92-64-9915
Page 3 and 4: Foreword FOREWORD The Nuclear Energ
Page 5 and 6: Table of contents TABLE OF CONTENTS
Page 7 and 8: List of tables LIST OF TABLES 1.1 L
Page 9 and 10: LIST OF FIGURES 4.34 CEA TRIO_U and
Page 11: List of abbreviations ANS American
Page 14 and 15: INTRODUCTION 1.2 Exercise 2 - Compu
Page 16 and 17: THE INVESTIGATED MIXING PROBLEM •
Page 18 and 19: THE INVESTIGATED MIXING PROBLEM Fig
Page 25 and 26: Chapter 3: Methodology of compariso
Page 27 and 28: Chapter 4: CFD results and discussi
Page 29 and 30: Temperature, K Temperature, K Figur
Page 31 and 32: CFD RESULTS AND DISCUSSION Figure 4
Page 33 and 34: 4.4.3 Radial distributions at the c
Page 35 and 36: Temperature, K Figure 4.4: Downcome
Page 37 and 38: Velocity at 5 800 mm (m/s) Figure 4
Page 41 and 42: Figure 4.10: EREC REMIX results - a
Page 43 and 44: Figure 4.14: FZK CFX 5 results - an
Page 45: Figure 4.18: BUTE CFX 10 results -
Page 49 and 50: Temperature deviations, K Temperatu
Page 59: Velocity, m/s Velocity, m/s Figure
Page 62 and 63: COARSE MESH RESULTS 5.2 Final state
Page 64 and 65: COARSE MESH RESULTS Figure 5.53 sho
Page 66 and 67: CFD RESULTS AND DISCUSSION Table 5.
Page 68 and 69: COARSE MESH RESULTS Velocity at 5 8
Page 70 and 71: COARSE MESH RESULTS Figure 5.6: INR
Page 72 and 73: COARSE MESH RESULTS Figure 5.10: KU
Page 74 and 75: COARSE MESH RESULTS Figure 5.14: UN
Page 76 and 77: COARSE MESH RESULTS Figure 5.17: De
Page 78 and 79: COARSE MESH RESULTS Temperature dev
Page 88 and 89: COARSE MESH RESULTS Figure 5.40: As
Page 90 and 91: COARSE MESH RESULTS Temperature, K
Page 96 and 97:
COARSE MESH RESULTS Temperature, K
Page 98 and 99:
COARSE MESH RESULTS Flow rate, kg/s
Page 101 and 102:
Chapter 6: Summary and conclusions
Page 103 and 104:
References REFERENCES ANSYS (2010a)
Page 105 and 106:
CFX 10 (FZK, FZD, BUTE, UNIPI) Appe
Page 107 and 108:
DESCRIPTION OF CFD CODES millions o
Page 109 and 110:
CATHARE2 (INRNE) Appendix B: Descri
Page 111:
DESCRIPTION OF SYSTEM CODES The rea
Page 114 and 115:
PARTICIPANT-PROVIDED COMPUTATION DE
Page 116 and 117:
Page 118 and 119:
Page 121 and 122:
Page 123 and 124:
INRNE (CATHARE 2.5) I. Vessel therm
Page 125 and 126:
PSU (TRACE) I. Vessel thermal-hydra
Page 127:
II. Core thermal-hydraulic model 1.
Page 130 and 131:
DEVIATIONS OF CFD COMPUTED-TO-EXPER
Page 132 and 133:
Page 134 and 135:
Page 137 and 138:
*89 1.00 *62 2.84 103 0.33 76 2.06
Page 139 and 140:
*89 -0.38 *62 3.46 103 -0.40 76 4.3
Page 141:
*89 -0.98 *62 7.73 103 -0.84 76 8.9
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