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Tuesday, July 14, 2020 | History

2 edition of Thermal-hydraulic studies on the safety of VVER-440 type nuclear power plants found in the catalog.

Thermal-hydraulic studies on the safety of VVER-440 type nuclear power plants

Jari Tuunanen

Thermal-hydraulic studies on the safety of VVER-440 type nuclear power plants

by Jari Tuunanen

  • 227 Want to read
  • 22 Currently reading

Published by Lappeenranta University of Technology in Lappeenranta .
Written in English

    Subjects:
  • Nuclear reactors -- Fluid dynamics.,
  • Nuclear reactors -- Safety measures.

  • Edition Notes

    StatementJari Tuunanen.
    SeriesResearch papers / Lappeenranta University of Technology -- 33., Research papers (Lappeenrannan teknillinen korkeakoulu) -- 33.
    Classifications
    LC ClassificationsTK9152 .T886 1994
    The Physical Object
    PaginationCa. 150 p. in various pagings :
    Number of Pages150
    ID Numbers
    Open LibraryOL16975456M
    ISBN 109517638175

    The number of produced TWhe of electric energy from world-wide nuclear power plants is now lower than in , and it has decreased by about 2% from a maximum of TWhe in to TWhe in Today and world wide, 48 nuclear power plants with a .   Major, C., et al.: Development and application of advanced process monitoring tools for VVER type NPPs. In: Proceedings of the IAEA Technical Meeting on On-line Condition Monitoring of Equipment and Processes in Nuclear Power Plants Using Advanced Diagnostic Systems, Knoxville, Tennessee, USA, 27–30 June () Google Scholar.

    Evaluation Method for Pipe Wall Thinning Due to Liquid Droplet Impingement - (II) Comparison of Calculations with Measurements at Actual Nuclear Power Plants: Hidetoshi Okada (Nuclear Power Engineering Center, Safety Analysis Group, The Institute of Applied Energy), Shunsuke Uchida (Nuclear Power Engineering Center, Safety Analysis Group, The. P. Gango, ”Numerical boron mixing studies for Loviisa nuclear power plant”, Nucl. Eng. Design () T. Höhne, U. Rohde, F.-P. Weiss, “Experimental and Numerical Investigation of the Coolant Mixing During Fast Deboration Transients”, 9th AER Symposium on VVER Reactor Physics and Reactor Safety, Demänovska Dolina, Slovakia.

    vessel of a Korean nuclear power plant”, in the Proceedings of the International Conference on Nuclear Energy in Central Europe, Ref. 3: J. Sievers, HG Sonnenburg, “Modelling of Thermal Hydraulic Loads and Mechanical Stresses on Reactor Pressure Vessel”, presented at Eurosafe H.-W. Viehrig, U. Rindelhardt, W. Keller Trepaning procedure applied at the RPV of the former Greifswald Nuclear Power Plant 76 A. Ulbricht, F. Bergner SANS response of VVER type weld material after neutron irradiation, post irradiation annealing and reirradiation


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Thermal-hydraulic studies on the safety of VVER-440 type nuclear power plants by Jari Tuunanen Download PDF EPUB FB2

The Nuclear Plant Analyzer (NPA) is a computer-software interface for executing the TRAC or RELAP5 power-plant systems codes. The NPA is designed to use advanced supercomputers, long-distance data communications, and a remote workstation terminal with interactive computer graphics to analyze power-plant thermal-hydraulic behavior.

Thermal-hydraulic phenomena for water cooled nuclear reactors Article in Nuclear Engineering and Design April with Reads How we measure 'reads'. all VVER/ type plants of the standard de sign are already shut down. There are two The safety of nuclear power plants are determ ined by the functionality and Long-Term Operation of.

Abstract. This document discusses an interactive nuclear plant analyzer (NPA) which has been developed for a VVER, Model reactor for use in the training of plant personnel, the development and verification of plant operating procedures, and in the analysis of various anticipated operational occurrences and accident : W.

Shier, W. Horak, R. Kennett. The Committee also studies the safety of the fuel cycle, conducts periodic surveys of reactor World-wide there are 14 nuclear power plants of the VVER/ type operating in the Czech Republic, Hungary, the Slovak Republic, Russia and the One study should focus on thermal-hydraulic processes, the second one on.

Current and Future Applications of Thermal-hydraulic and Neutronic Best-Estimate Methods in Support of the Swiss Licensing Process M. Zimmermann, PSI - W. Van Doesburg, HSK, Switzerland IAEA Safety Report on Accident Analysis of Nuclear Power Plants M. Jankowski, - J.

Misak, IAEA, Vienna C. Allison, Innovative Systems Software E. Balabanov. In the later VVER/ NPPs the safety systems were improved, passive components were included and the confinement function was covered by special building designs.

The most sophisticated design, the VVER, has many common features with Western PWRs, including a full pressure containment and cluster type control rods.

The VVER type. The main purpose of the book is to provide written background material to the participants and to support lecturers of the training courses on Regulatory Control of Nuclear Power Plants. The idea is to present general practices recommended by the IAEA in its safety guidance as well as country specific examples of how these general principles.

The first four units on the Kozloduy site are VVER/ type nuclear power plants. Generic safety characteristics and safety issues of such plants are presented in Annex 2. Units 3 and 4 are more advanced type VVER/ reactors having some of the design improvements of the later VVER The Reactor Coolant System (RCS) of a typical four loop MW(e) PWR consists of the reactor core within its pressure vessel, four coolant loops with pumps, the primary side of the steam generators and a pressuriser.

In addition there are a number of auxiliary and safety systems which can interface with the RCS and these are discussed later. The RCS is filled with high quality demineralised. Nuclear Energy and Technology Vertical steam generators for VVER NPPs* Mikhail Yu. Egorov 0 0 Peter the Great St.

Petersburg Polytechnic University, 29 Polytechnicheskaya st., Saint Petersburg, Russia Steam generators for NPPs are the important large-sized metal consuming equipment of nuclear power : Mikhail Yur’evich Egorov.

Modelling of External Cooling for In-Vessel Corium Retention in VVER/ Type Nuclear Power Plants. Gyo¨rgy E´zso¨l, Ga´bor Baranyai, La´szlo Status and Proposal Studies on Thermal-Hydraulic Phenomena to Steam Generator Tube Rupture Accident in LFR and ADS Some Nuclear Reactor Safety Related Aspects of Plunging Jets.

Eckhard. The boiling two-phase flow in the secondary side of the steam generator has been simulated by the Institute of Nuclear Safety Systems [6]; The two-fluid model of the PHOENICS code was used to analyze the experiment conducted by Nuclear Power Engineering Corporation, and the effects of the interfacial friction and the heat transfer rate were.

There are 52 Russian-designed, VVER-type, pressurized water nuclear power plants operating in the world today, out of a global total of nuclear power plants (for the latest operational statistics on VVER plants, see IAEA PRIS database) (IAEA PRIS, ).

The cumulative time of safe operation of VVER reactors currently exceeds reactor Author: T.J. Katona. Advanced Digital I&C Technology in Nuclear Power Plants - A Success Story from Finland and China Martina Adorni, Anis Bousbia Salah, Francesco D'Auria, Rahim Nabbi - Italy Analysis of Typical Loss of Core Cooling and Positive Reactivity Insertion Transients in the FRJ-2 D2O Tank Type Research Reactor.

Probabilistic Safety Assessment and Management is a collection of papers presented at the PSAM 7 - ESREL '04 Conference in June The joint Conference provided a forum for the presentation of the latest developments in methodology and application of probabilistic and reliability methods in.

THERMO-HYDRAULIC ANALYSIS OF FUEL ASSEMBLY OF NUCLEAR REACTOR VVER š,c, h, Slovak University of Technology, FEEIT, Bratislava, Slovakia: The paper deals with CFD modeling and simulation of coolant flow in fuel assembly of nuclear reactor VVER Geometry of fuel assembly and thermocouple housing with.

Control Assembly Ejection Modeling for VVER Reactor by PARCS-RELAP Coupled Code. Surik Bznuni, Tsolak Malakyan, Steady-State Thermal-Hydraulic Analysis of a Plate Type Reactor. Qing Lu, Wenxi Tian, External Events Importance for Safety of the Ignalina Nuclear Power Plant.

Kristina Kupciuniene, Robertas Alzbutas. Invited lectures - 2. Safety Improvements of Operating PWR Reactors in EU. Stanislav Rožman, Janez Krajnc, Božidar Krajnc.

1 Nuklearna elektrarna Krško, Vrb Krško, Slovenia. After Fukushima accident instress tests were required to be carried out on nuclear power plants and EU countries have developed and submitted to ENSREG the so called National Action.

Dr. R B Grover is Emeritus Professor, Homi Bhabha National Institute (HBNI), and is a member of the Atomic Energy Commission. His professional contributions include (i) fuel and core thermal hydraulic analysis for a research reactor, (ii) process safety analysis, plant dynamic analysis, process design of primary systems and equipment for a compact nuclear reactor, (iii) studies related.

The main requirements to nuclear fuel of VVER and VVER are safety, reliabilities, economic efficiency and competitiveness. The main directions of works are presented in the report to support of the solution of the main task: 1.

Guaranteeing of geometrical stability of fuel design. 2. Increasing of the operational life of fuel assembly. 3.ELECTRIC POWER IN SPAIN. Net electricity production in Spain in wasGWh, a slight % decrease with regard to Production from conventional facilities -nuclear, coal, hydropower.of nuclear power plants and closing the fuel cycle.

- Research and development in the field of low carbon energy technologies and of energy saving in industrial technologies. - Maintaining and improving competence in nuclear science and technology, especially in the field of nuclear safety and security.