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582 (0,077s)

Projekt

Assessment of real progress of radiation damage through the VVER reactor pressure vessel wall (JB200542004)

Assessment of the reactor pressure vessel (RPV) integrity must also take into account changes in fracture properties of the RPV through its wall, first of all as a result of neutron fluence gradient through the thickness of...

JF - Jaderná energetika

  • 2005 - 2005
  • 14 000 tis. Kč
  • 7 000 tis. Kč
  • SÚJB
Projekt

A method to estimate integrity of nuclear reactor pressure vessel in severe accident with core melting. (TITSSUJB938)

-1000 RPVs at high temperatures due to fuel melting during severe accident properties of RPV material at temperatures above 350 °C. All RPV integrity assessments temperatures above 350 °C. Maintaining RPV integrity...

Nuclear related engineering; (nuclear physics to be 1.3);

  • 2021 - 2024
  • 10 918 tis. Kč
  • 10 918 tis. Kč
  • TA ČR
Projekt

Probabilistic assessment of reactor pressure vessel fast failure (JB3/2002)

reactor pressure vessels (RPV), (2) performing standard/typicalcalculation of probabilityof failure for RPVs of NPPs Dukovany and Temelin at pressurised thermal shock and (3) comparison of fast failure probability of standard WWER ...

JB - Senzory, čidla, měření a regulace

  • 2002 - 2005
  • 9 000 tis. Kč
  • 4 500 tis. Kč
  • SÚJB
Projekt

Effect of warm prestressing on reactor pressure vessel integrity during pressurized thermal shock events (JC_01/2006)

Assessment of integrity of RPV is based on fracture mechanics methodology. Main-Stressing? (WPS) for an integrity assessment of RPV allows to specify safety factors and also to determine a real lifetime of RPV with sufficie...

JE - Nejaderná energetika, spotřeba a užití energie

  • 2006 - 2008
  • 21 100 tis. Kč
  • 21 100 tis. Kč
  • SÚJB
Projekt

Development of New Technology of Repair Welding for Operated Reactor Pressure Vessel WWER 1000 (FR-TI4/509)

The topic of project solution is research, development and application of new method of repair welding of WWER 1000 reactor pressure vessel wall using high nickel based alloy filler metal on base of INCONEL FM 52 in connection with robotized...

JF - Jaderná energetika

  • 2012 - 2016
  • 69 774 tis. Kč
  • 38 900 tis. Kč
  • MPO
Projekt

Experimental programme on Disbonding Defects Type Influence Assessment of RPV integrity (JB1/03)

VVER reactor pressure vessels non-destructive testing (NDT) results evaluati-on with respect to the "disbonding" type NDT indications preliminary between antico-rrosive cladding and base material of RPV are developed.Character andreal dimens...

JF - Jaderná energetika

  • 2003 - 2004
  • 6 150 tis. Kč
  • 3 250 tis. Kč
  • SÚJB
Projekt

Application of the positron annihilation spectroscopy and transmission electron microscopy to study of the influence of the neutron irradiation on the reactor.. (GA106/96/1319)

of the RPV. As experience with the investigations of the western light water reactors and degree of damage in the RPV-steels of the WWER-type using the methods PAS and TEM......

JF - Jaderná energetika

  • 1996 - 1998
  • 1 844 tis. Kč
  • 1 844 tis. Kč
  • GA ČR
Projekt

Experimental determination of mixed neutron and gamma fields parameters behind iron and water layers corresponding to reactor pressure vessel (GA202/99/0036)

The reactor pressure vessel (RPV) lifetime assessment of VVER type reactor depends on fast neutron fluence on RPV. The calculation of mixed neutron and gamma (n,g) fields in radial layers of reactor exhibit disagreement in compariso...

FA - Kardiovaskulární nemoci včetně kardiochirurgie

  • 1999 - 2000
  • 1 745 tis. Kč
  • 1 745 tis. Kč
  • GA ČR
Projekt

Application of CFD codes ion research of fluid behavior of nuclear reactor. (1H-PK/61)

The proposed project is focused on research of thermo-hydraulic (TH) processes, which occur in nuclear reactors during accident conditions. In the research, CFD codes will be applied to analyze experimental data and key TH phenomena. Main purpose of ...

JF - Jaderná energetika

  • 2004 - 2007
  • 12 105 tis. Kč
  • 6 505 tis. Kč
  • MPO
Projekt

Research and development of a multiply brick system with a view to a thinner wall construction at an enhancement of thermal insulating features and a wall bearing capacity. (FI-IM/227)

Research and development of a multiply brick system with a view to a thinner wall construction at an enhancement of thermal insulating features and a wall bearing capacity.......

JN - Stavebnictví

  • 2004 - 2006
  • 21 467 tis. Kč
  • 9 000 tis. Kč
  • MPO
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