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Design and Field Application of an Online Dose-Rate Monitoring System for a Target Station Water Cooling System
ID：14 View Protection：ATTENDEE Updated Time：2026-09-11 21:51:22 Hits：15 Poster Presentation

Start Time：Pending（Asia/Shanghai）

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Abstract
The water cooling system of the target station is an essential subsystem of the spallation neutron source, and its running condition has a direct influence on neutron beam performance and radiological safety. This paper presents the design of an online dose rate monitoring system based on wide-range Geiger-Müller (GM) counters, developed to address the dose monitoring requirements of the target station water cooling system under irradiation environments. The system adopts an integrated architecture combining distributed detector arrays with centralized data management, utilizing wide-range GM counters as the core detection elements to achieve continuous monitoring of dose hotspots at key equipment, including purification units, heat exchangers, and pumps.Evaluation of real operational data from the China Spallation Neutron Source (CSNS) indicates that the system can rapidly capture dose rate variations caused by power changes, as well as in-situ dose variations within the equipment, provides a reliable technical basis for continuous dose rate monitoring, operational trend tracking, long-term in-situ deployment, and radiation protection and maintenance decision-making for the target station water cooling system, thereby supporting the timely replacement of purification units and ensuring overall system safety.
 
Keywords
target station water cooling system; dose rate monitor; online monitoring; irradiation environment; GM counter
Speaker
YU LIU
Engineer Institute of High Energy Physics Chinese Academy of Sciences；Spallation Neutron Source Science Centre

Submission Author
YU LIU Institute of High Energy Physics Chinese Academy of Sciences；Spallation Neutron Source Science Centre
Hing He Institute of High Energy Physics Chinese Academy of Sciences;Spallation Neutron SourceScience Centre
Lin Fan Institute of High Energy Physics Chinese Academy of Sciences ，Spallation Neutron Source Science Centre
Huihong Liang Institute of High Energy Physics Chinese Academy of Sciences ，Spallation Neutron Source Science Centre
Congju Yao Institute of High Energy Physics Chinese Academy of Sciences ，Spallation Neutron Source Science Centre
Chuan Li Dongguan University of Technology
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Important Date

  • Conference Date

    Nov 06

    2026

    to

    Nov 08

    2026

  • Oct 15 2026

    Draft paper submission deadline

Sponsored By
IEEE Instrumentation and Measurement Society
Organized By
Sichuan University
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