<abstract xmlns="http://www.w3.org/1999/xhtml"><p>One of the main issues in safety and control systems design of power and research reactors is to prevent accidents or reduce the imposed hazard. Control rod worth plays an important role in safety and control of reactors. In this paper, we developed a justifiable approach called D4D4 to estimate the control rod worth of a VVER-1000 reactor that enables to perform the best estimate analysis and reduce the conservatism that utilize DRAGON4 and DONJON4. The results are compared with WIMS-D4/CITATION to show the effectiveness and superiority of the developed package in predicting reactivity worth of the rod and also other reactor physics parameters of the VVER-1000 reactor. The results of this study are in good agreement with the plant's FSAR.</p></abstract>

One of the main issues in safety and control systems design of power and research reactors is to prevent accidents or reduce the imposed hazard. Control rod worth plays an important role in safety and control of reactors. In this paper, we developed a justifiable approach called D4D4 to estimate the control rod worth of a VVER-1000 reactor that enables to perform the best estimate analysis and reduce the conservatism that utilize DRAGON4 and DONJON4. The results are compared with WIMS-D4/CITATION to show the effectiveness and superiority of the developed package in predicting reactivity worth of the rod and also other reactor physics parameters of the VVER-1000 reactor. The results of this study are in good agreement with the plant's FSAR.

Estimation of Control Rod Worth in a VVER-1000 Reactor using DRAGON4 and DONJON4

Engineering Department, Shahid Beheshti University, P. O. Box: 1983963113, Tehran, Iran, Tel.: +98 21 2243 1596, Fax: +98 21 2990 2546

Nukleonika

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Estimation of Control Rod Worth in a VVER-1000 Reactor using DRAGON4 and DONJON4"}

One of the main issues in safety and control systems design of power and research reactors is to prevent accidents or reduce the imposed hazard. Control rod...

Estimation of Control Rod Worth in a VVER-1000 Reactor using DRAGON4 and DONJON4

Article Category: Original Paper

Published Online: Jul 08, 2014

Page range: 67 - 72

Received: Oct 30, 2013

Accepted: Apr 17, 2014

DOI: https://doi.org/10.2478/nuka-2014-0006

Keywords
control rod worth, DRAGON4, DONJON4, VVER-1000 reactor

© 2014 Farahnaz Saadatian-derakhshandeh et. al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Estimation of Control Rod Worth in a VVER-1000 Reactor using DRAGON4 and DONJON4

Article Category: Original Paper

Published Online: Jul 08, 2014

Page range: 67 - 72

Received: Oct 30, 2013

Accepted: Apr 17, 2014

DOI: https://doi.org/10.2478/nuka-2014-0006

Keywordscontrol rod worth, DRAGON4, DONJON4, VVER-1000 reactor

© 2014 Farahnaz Saadatian-derakhshandeh et. al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
control rod worth, DRAGON4, DONJON4, VVER-1000 reactor