Beam-target configurations and robustness performance of the tungsten granular flow spallation target for an Accelerator-Driven Sub-critical system

Han-Jie Cai; Huan Jia; Xin Qi; Ping Lin; Sheng Zhang; Yuan Tian; Yuanshuai Qin; Xunchao Zhang; Lei Yang; Yuan He

Nuclear Engineering and Technology (Jul 2022)

Beam-target configurations and robustness performance of the tungsten granular flow spallation target for an Accelerator-Driven Sub-critical system

Han-Jie Cai,
Huan Jia,
Xin Qi,
Ping Lin,
Sheng Zhang,
Yuan Tian,
Yuanshuai Qin,
Xunchao Zhang,
Lei Yang,
Yuan He

Affiliations

Han-Jie Cai: Institute of Modern Physics, CAS, Lanzhou, 730000, China; School of Nuclear Science and Technology, University of the Chinese Academy of Sciences, Beijing, 100049, China
Huan Jia: Institute of Modern Physics, CAS, Lanzhou, 730000, China; School of Nuclear Science and Technology, University of the Chinese Academy of Sciences, Beijing, 100049, China
Xin Qi: Institute of Modern Physics, CAS, Lanzhou, 730000, China; School of Nuclear Science and Technology, University of the Chinese Academy of Sciences, Beijing, 100049, China
Ping Lin: Institute of Modern Physics, CAS, Lanzhou, 730000, China; School of Nuclear Science and Technology, University of the Chinese Academy of Sciences, Beijing, 100049, China
Sheng Zhang: Institute of Modern Physics, CAS, Lanzhou, 730000, China; School of Nuclear Science and Technology, University of the Chinese Academy of Sciences, Beijing, 100049, China
Yuan Tian: Institute of Modern Physics, CAS, Lanzhou, 730000, China; School of Nuclear Science and Technology, University of the Chinese Academy of Sciences, Beijing, 100049, China; Lanzhou University, Lanzhou, 730000, China
Yuanshuai Qin: Institute of Modern Physics, CAS, Lanzhou, 730000, China; School of Nuclear Science and Technology, University of the Chinese Academy of Sciences, Beijing, 100049, China
Xunchao Zhang: Institute of Modern Physics, CAS, Lanzhou, 730000, China; School of Nuclear Science and Technology, University of the Chinese Academy of Sciences, Beijing, 100049, China; Corresponding author. Institute of Modern Physics, CAS, Lanzhou, 730000, China.
Lei Yang: Institute of Modern Physics, CAS, Lanzhou, 730000, China; School of Nuclear Science and Technology, University of the Chinese Academy of Sciences, Beijing, 100049, China
Yuan He: Institute of Modern Physics, CAS, Lanzhou, 730000, China; School of Nuclear Science and Technology, University of the Chinese Academy of Sciences, Beijing, 100049, China

Journal volume & issue: Vol. 54, no. 7
pp. 2650 – 2659

Abstract

Read online

The dense granular flow spallation target is a new target concept proposed for an Accelerator-Driven Sub-critical (ADS) system. In this paper, the beam-target configurations of a tungsten granular flow target for the ADS with a thermal power of 1 GW is explored. The beam profile options using different scanning methods are discussed. The critical geometry parameters are adjusted to investigate the performance of the granular target from the aspects of neutron efficiency, stability and temperature distribution in target medium. To figure out how the target under accident conditions would behave, different clogging conditions are induced in the simulation. The dynamic processes are analyzed and some important parameters such as abnormal temperature rise and beam cutoff time window are obtained. The response of the sub-critical reactor to a clogging accident is also investigated. It is indicated that the monitoring of the granular flow by the neutron detectors in the sub-critical core will be effective.

Published in Nuclear Engineering and Technology

ISSN: 1738-5733 (Print)
Publisher: Elsevier
Country of publisher: Korea, Republic of
LCC subjects: Technology: Electrical engineering. Electronics. Nuclear engineering: Nuclear engineering. Atomic power
Website: http://www.journals.elsevier.com/nuclear-engineering-and-technology

About the journal

Abstract

Keywords