Approaches to the creation of multibody models of the VVER 1000 nuclear reactor control assembly

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23520%2F16%3A43930193" target="_blank" >RIV/49777513:23520/16:43930193 - isvavai.cz</a>

Result on the web

—

DOI - Digital Object Identifier

—

Result language

angličtina

Original language name

Approaches to the creation of multibody models of the VVER 1000 nuclear reactor control assembly

Original language description

The paper is focused on the control assembly of the VVER 1000 nuclear reactor. The VVER 1000 reactor is a pressurized water-cooled and water-moderated reactor consisting of a reactor pressure vessel with an interior structure and a reactor upper block with 61 control assembly drives. Under the vessel head with nozzles of the control assembly drives there is a block of protective tubes, which is above the core with 163 fuel assemblies. A moveable part of the control assembly, i.e. a rod control cluster assembly (this part is the necessary condition for stopping the nuclear reaction), is composed of a suspension bar, a spider and 18 long thin absorber rods. Two modular spatial multibody models of the LKP-M/3 control assembly of the VVER 1000 nuclear reactor were created in the Alaska simulation tool and they differ in their kinematic scheme and in the number of contact positions. Both models are meant for the simulations of the control assembly moving parts drop. The first one is intended for the simulations of the rod control cluster assembly drop during the seismic event, where the total time of the drop is the significant measured and computed quantity, and the second one for investigating limit curves of deformations of fuel assembly guide tubes, at which the absorber rods still reach the lower part of the core.

Czech name

—

Czech description

—

Type

D - Article in proceedings

CEP classification

JF - Nuclear energy

OECD FORD branch

—

Project

<a href="/en/project/LG15058" target="_blank" >LG15058: Presidency of CEACM and related posts</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2016

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

ECCOMAS Congress 2016

ISBN

978-618-82844-0-1

ISSN

—

e-ISSN

—

Number of pages

13

Pages from-to

8756-8768

Publisher name

National Technical University of Athens

Place of publication

Kréta

Event location

Kréta

Event date

Jun 5, 2016

Type of event by nationality

EUR - Evropská akce

UT code for WoS article

—