<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Results of numerical calculations of heat exchange in a nuclear heating detector for nuclear reactors are presented in this paper. The gamma radiation is generated in nuclear reactor during fission and radiative capture reactions as well as radioactive decay of its products. A single-cell calorimeter has been designed for application in the MARIA research reactor in the National Centre for Nuclear Research (NCBJ) in Świerk near Warsaw, Poland, and can also be used in the Jules Horowitz Reactor (JHR), which is under construction in the research centre in Cadarache, France. It consists of a cylindrical sample, which is surrounded by a gas layer, contained in a cylindrical housing. Additional calculations had to be performed before its insertion into the reactor. Within this analysis, modern computational fluid dynamics (CFD) methods have been used for assessing important parameters, for example, mean surface temperature, mean volume temperature, and maximum sample (calorimeter core) temperature. Results of an experiment performed at a dedicated out-of-pile calibration bench and results of numerical modelling validation are also included in this paper.</p></abstract>

Results of numerical calculations of heat exchange in a nuclear heating detector for nuclear reactors are presented in this paper. The gamma radiation is generated in nuclear reactor during fission and radiative capture reactions as well as radioactive decay of its products. A single-cell calorimeter has been designed for application in the MARIA research reactor in the National Centre for Nuclear Research (NCBJ) in Świerk near Warsaw, Poland, and can also be used in the Jules Horowitz Reactor (JHR), which is under construction in the research centre in Cadarache, France. It consists of a cylindrical sample, which is surrounded by a gas layer, contained in a cylindrical housing. Additional calculations had to be performed before its insertion into the reactor. Within this analysis, modern computational fluid dynamics (CFD) methods have been used for assessing important parameters, for example, mean surface temperature, mean volume temperature, and maximum sample (calorimeter core) temperature. Results of an experiment performed at a dedicated out-of-pile calibration bench and results of numerical modelling validation are also included in this paper.

Modelling of thermal hydraulics in a KAROLINA calorimeter for its calibration methodology validation

Innovative Nuclear and Sustainable Power Engineering, Institute of Heat Engineering, Warsaw University of Technology, 21/25 Nowowiejska Str., 00-665 Warsaw,

National Centre for Nuclear Research, 7 Andrzeja Sołtana Str., 05-400 Otwock/Swierk,

Institute of Heat Engineering, Warsaw University of Technology, 21/25 Nowowiejska Str., 00-665 Warsaw,

Nukleonika

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

Results of numerical calculations of heat exchange in a nuclear heating detector for nuclear reactors are presented in this paper. The gamma radiation is...

Modelling of thermal hydraulics in a KAROLINA calorimeter for its calibration methodology validation

Article Category: Regular Paper

Published Online: Oct 26, 2016

Page range: 453 - 460

Received: Aug 18, 2015

Accepted: Jul 26, 2016

DOI: https://doi.org/10.1515/nuka-2016-0074

Keywords
computional fluid dynamics (CFD), differential calorimeter, gamma heating, gamma rays, Jules Horowitz Reactor (JHR), modelling of thermal hydraulics, nuclear heating, nuclear reactor, research reactor MARIA

© by Aleksandra Luks

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

Modelling of thermal hydraulics in a KAROLINA calorimeter for its calibration methodology validation

Article Category: Regular Paper

Published Online: Oct 26, 2016

Page range: 453 - 460

Received: Aug 18, 2015

Accepted: Jul 26, 2016

DOI: https://doi.org/10.1515/nuka-2016-0074

Keywordscomputional fluid dynamics (CFD), differential calorimeter, gamma heating, gamma rays, Jules Horowitz Reactor (JHR), modelling of thermal hydraulics, nuclear heating, nuclear reactor, research reactor MARIA

© by Aleksandra Luks

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

Keywords
computional fluid dynamics (CFD), differential calorimeter, gamma heating, gamma rays, Jules Horowitz Reactor (JHR), modelling of thermal hydraulics, nuclear heating, nuclear reactor, research reactor MARIA