TY - GEN
T1 - Transient Fuel Tests in BR-2 with the Pressurized Water Capsule
T2 - TopFuel 2022 Light Water Reactor Fuel Performance Conference
AU - Billiet, Simon
AU - Boer, Brian
AU - Van Nieuwenhove, Rudi
AU - Sikik, Emre
AU - Mellemans, Steven
AU - Van den Branden, Geert
AU - Verwerft, Marc
N1 - Publisher Copyright:
© 2022 Proceedings of TopFuel 2022 Light Water Reactor Fuel Performance Conference. All Rights Reserved.
PY - 2022
Y1 - 2022
N2 - The Pressurized Water Capsule (PWC) enables to perform various types of power transients on pin type fuel in the BR-2 reactor at SCK CEN. The PWC concept relies on an external thermal balance (the Calorimetric Device, CD) which uses accurate flow and temperature measurements to determine total deposited power in the capsule. Power is deposited in the capsule from various contributors, such as fission events, gamma absorption and non-fission capture reactors. Decomposing the measured heat in the power deposited in the fuel test segment on one side, and the power deposited in the structures of the capsule on the other, is key in obtaining a high-quality on-line measurement of the pin power. The PWC is equipped with both a gamma thermometer as well as four Self-Powered Neutron Detectors (SPND) at various axial positions. Measurements of these instruments during several qualification tests have been investigated and compared with neutron-gamma calculations of the BR-2 core with MCNP that determine the distribution of the power in fuel, coolant and structural components of the PWC. This paper presents some highlights of the SPND and gamma thermometer results.
AB - The Pressurized Water Capsule (PWC) enables to perform various types of power transients on pin type fuel in the BR-2 reactor at SCK CEN. The PWC concept relies on an external thermal balance (the Calorimetric Device, CD) which uses accurate flow and temperature measurements to determine total deposited power in the capsule. Power is deposited in the capsule from various contributors, such as fission events, gamma absorption and non-fission capture reactors. Decomposing the measured heat in the power deposited in the fuel test segment on one side, and the power deposited in the structures of the capsule on the other, is key in obtaining a high-quality on-line measurement of the pin power. The PWC is equipped with both a gamma thermometer as well as four Self-Powered Neutron Detectors (SPND) at various axial positions. Measurements of these instruments during several qualification tests have been investigated and compared with neutron-gamma calculations of the BR-2 core with MCNP that determine the distribution of the power in fuel, coolant and structural components of the PWC. This paper presents some highlights of the SPND and gamma thermometer results.
UR - http://www.scopus.com/inward/record.url?scp=85184963357&partnerID=8YFLogxK
UR - https://ecm.sckcen.be/OTCS/llisapi.dll?func=ll&objaction=overview&objid=52258505
U2 - 10.13182/TopFuel22-38986
DO - 10.13182/TopFuel22-38986
M3 - In-proceedings paper
AN - SCOPUS:85184963357
T3 - Proceedings of TopFuel 2022 Light Water Reactor Fuel Performance Conference
SP - 711
EP - 718
BT - Proceedings of TopFuel 2022 Light Water Reactor Fuel Performance Conference
PB - American Nuclear Society
Y2 - 9 October 2022 through 13 October 2022
ER -