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  1. Proposal for establishing Nuclear Reactor Safety Laboratory in Universities / Institutes Dr. AshutoshTiwari Nuclear Safety Analyst, LYESPL, INDIA In Co-ordination with Dr. Chris Allison General Manager, ISS, US

  2. Table of Contents • Generation of Nuclear Power • Requirement of Nuclear Reactor Safety • Path to Achieve Goal • Introduction to Relap5 • What is Relap5 • Component Used • Applications • Efforts related to RELAP Code Development • SDTP • SDTP Members • Benefits to SDTP Members • Technical Support • Training SCDAP Development & Training Program Page 2

  3. SCDAP Development & Training Program Page 3

  4. Path to Achieve the Goal • Establishing Nuclear Safety Laboratories in Universities / Institutes. • These laboratories will not use any Nuclear Fuel. • No issues are related to the Safety of the Laboratory or its employees. • We will train students with the help of Nuclear Reactor Simulator known as RELAP5. SCDAP Development & Training Program Page 4

  5. Introduction to RELAP5 • RELAP – Reactor Excursion & Leak Analysis Program, • Developed at the Idaho National Engineering Laboratory (INEL) for the U.S. Nuclear Regulatory Commission (NRC), • Basis for a nuclear plant analyzer, • Calculates the behavior of a reactor coolant system during a transient, • Used for simulation of a wide variety of hydraulic and thermal transients. SCDAP Development & Training Program Page 5

  6. Introduction to RELAP5 • Both nuclear and non-nuclear systems involving mixtures of steam, water, non-condensable, and solute can be simulated. SCDAP Development & Training Program Page 6

  7. Introduction to RELAP5 • RELAP5 code is based on a nonhomogeneous and nonequilibrium model for the two phase system. • This system is solved by a fast, partially implicit numerical scheme. • RELAP5 MOD 3.3 has been developed jointly by the NRC and a consortium consisting of several countries. SCDAP Development & Training Program Page 7

  8. Introduction to RELAP5 • Various Department of Energy sponsors, including the INTEL laboratory- directed discretionary funding program. • The mission of the RELAP5 MOD 3.3 development program was to develop a code version suitable for the analysis of all transients and postulated accidents in LWR systems. • Code includes component models from which general systems can be simulated. SCDAP Development & Training Program Page 8

  9. Introduction to RELAP5 • Special process models are included for effects such as: • Form Loss, • Flow at an abrupt area change, • Branching, • Choked Flow, • Boron Tracking, • Non Condensable Gas Transport. SCDAP Development & Training Program Page 9

  10. Component Models • Pumps • Valves • Pipes • Heat Releasing Or Absorbing Structures • Reactor Point Kinetics • Electric Heaters SCDAP Development & Training Program Page 10

  11. Component Models • Jet Pumps • Turbines • Separators • Accumulators • Control System Components SCDAP Development & Training Program Page 11

  12. Enter your title here Specific Applications • Loss of coolant, • Anticipated Transients Without Scram (ATWS) Simulations of Transient in LWR system Operational Transients • Loss of Feed Water • Loss of Offsite Power • Station Blackout • Turbine Trip SCDAP Development & Training Program Page 12

  13. Applications of code • Rule Making • Licensing Audit Calculations • Evaluation Of Accident Mitigation Strategies • Evaluation Of Operator Guidelines • Experiment Planning Analysis SCDAP Development & Training Program Page 13

  14. Efforts to develop RELAP Code • RELAP code embodies more than 30 years of thermal hydraulic and severe accident research by international community. • Thousands of man-years are invested in the code to: • improve code performance, • capabilities, and • modeling accuracy SCDAP Development & Training Program Page 14

  15. SDTP • SCDAP Development & Training Program. • SDTP is an international cooperative program. • In 28 countries Nearly 60 organizations support Program activities. • SDTP Program members are licensed software users. • Innovative System Software (ISS) administers program. SCDAP Development & Training Program Page 15

  16. SDTP • Regional Technical Support and Training Centers currently located in United States, Europe, China, and Latin America. • Activities supported through in-kind contributions, membership fees, and software licensing fees. SCDAP Development & Training Program Page 16

  17. Canada – McMaster University Austria – IAEA Bulgaria – Academy of Science India – Indian Institutes of Technology (4) Czech Republic – Nuclear Research Center, Rez • Croatia : • University of Zagreb • Econet • Germany : • Framatome-ANP (AREVA) • Forschungszentrum, Karlsruhe • Private Consultant – Dr. Hagen Italy – University of Pisa United Kingdom - University of Hertfordshire • USA • Texas A&M • University of Missouri • University of Maryland • University of Florida • Ohio State Lithuania – Lithuanian Energy Institute Switzerland - Paul Scherrer Institute • Mexico • CNSNS • University of Mexico Turkey - Hacettepe University • Japan • JAERI • Tokyo Institute of Technology • Computer Software Dev • Institute of Nuclear Safety System • NUPEC • Osaka University Korea – KAERI Romania - Universitatea Politehnica • China • Shanghai Jiao Tong University • Xian Jiao Tong University • Harbin University • North China Electric Power University • Institute of Nuclear Energy Technology • -Tsinghua University • China institute of Atomic Energy Spain - University of Catalunya Indonesia - BATAN Brazil – Private Consultant – Dr. Honaiser South Africa - NECSA Members contributing to Code Development SCDAP Development & Training Program Page 17

  18. Netherlands – EPZ - Borselle NPP • Pakistan • NPRA • NPER • Chasnupps – 1 • Russia • NSI RRC Kurchatov • Gidropress • NIKIET • OKB Mechanical Engineering Bulgaria - ENERGOPROEKT • India • Nuclear Power Corporation of India • Bhabha Atomic Research Centre Bangladesh – AERE Germany – TÜV NORD Ukraine – STC-Energoatom Slovak Republic - IVS Trnava USA Lithuania – Lithuanian Energy Institute • Mexico • National Institute for Nuclear Research • Japan • Hitachi • Electric Power Development Co. • ARTECH • MHI (2) • Nuclear Engineering, Ltd • Shikoku Electric Power Co. • Nuclear Fuel Industries • Romania • Societatea Nationala “Nuclearectrica” • CNE-PROD Peru - IPEN Australia - ANSTO • Algeria • Commissariat A L'Energie Atomique • Centre de Recherche Nucléaire d'Alger • Argentina • Comisión Nacional de Energia Atomica • INVAP S.E. • South Africa • ESKOM • PBMR Licensed Users Who provide Funding SCDAP Development & Training Program Page 18

  19. Benefits to Licensed Software User/SDTP Member • CDs with RELAP/SCDAPSIM software executable • Compile libraries and RELAP and SCDAP model source routines. • Reference manuals • Training tutorials • Variety of sample problems SCDAP Development & Training Program Page 19

  20. Other RELAP5 Utilities • RELSIM– graphical user interface for RELAP/SCDAPSIM. • Digitize – Incorporate experimental or plant data into input models. • Convert – Incorporate strip results into input models. • Stripdif – Prepare plot run to compare strip files. SCDAP Development & Training Program Page 20

  21. Input Deck Library SDTP Members receive a portion or all of the extensive input deck library developed by ISS and other SDTP members. The plant library includes input models for : • Pressurized Water Reactors (PWRs) • Boiling Water Reactors (BWRs) • Russian Reactors (VVERs) • Canadian Heavy Water Reactors (CANDUs) SCDAP Development & Training Program Page 21

  22. Experimental facility input models include • LOFT • PBF • Phebus • CORA • Quench • NRU • along with many experiment-specific input including the : • CORA-13 • Quench-06 SCDAP Development & Training Program Page 22

  23. Technical Support • Members receive technical support to solve any relevant problems/questions. • Response is given within few working days. • The technical support is typically used for: • The resolution of input problems, • To optimize the performance of input models, • To make modeling improvements. SCDAP Development & Training Program Page 23

  24. Training Members can attend: • Regularly scheduled SDTP-sponsored training workshops without paying the registration fees. • Commercial members can attend up to two weeks of regularly scheduled training workshops or one week of individual training at a regional training center. • Research and Regulatory members can attend one week of regularly scheduled training workshops at no cost. SCDAP Development & Training Program Page 24

  25. Training Members can attend: • University members can attend training workshops for reduced fees. • Copies of training tutorials will be provided to members. SCDAP Development & Training Program Page 25

  26. Membership Options Members selecting the options to add SAMPSON or VISA licenses to their membership will receive : • Additional software on the member CDs. • Additional versions that are released during the year, • Can participate in any training sessions including this software, • Receive any training materials prepared for the software. SCDAP Development & Training Program Page 26

  27. For further details please visit www.lyespl.com SCDAP Development & Training Program Page 27

  28. Thanks SCDAP Development & Training Program Page 28