NDLI: Core Performance Tests at Low Power for the JOYO Upgrade to MK-III

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Aoyama, Takafumi Robert, W. Schaefer Maeda, Shigetaka Sekine, Takashi
Copyright Year	2004
Abstract	Many changes were made in the recent upgrade of the experimental fast reactor JOYO to the MK-III design. The core changes which made to achieve a fourfold increase in irradiation capacity are the introduction of a second enrichment zone, an increase in core radius and a smaller decrease in core height. Performance tests done at low power, which focus on the neutronics characteristics, are presented. These tests include nuclear instrumentation system response, the approach to criticality and excess reactivity evaluation, control rod calibrations performed several ways, and isothermal temperature coefficient evaluation. The measurements are emphasized but comparisons with calculated predictions are included. The design predictions are consistent with the performance test results, and all technical safety specifications are satisfied. The JOYO MK-III core will provide enhanced irradiation testing capability, as well as serving as a test bed for improving fast reactor operation, performance and safety.
Sponsorship	Nuclear Engineering Division
Starting Page	67
Ending Page	77
Page Count	11
File Format	PDF
ISBN	0791846881
DOI	10.1115/ICONE12-49188
e-ISBN	0791837351
Volume Number	12th International Conference on Nuclear Engineering, Volume 2
Conference Proceedings	12th International Conference on Nuclear Engineering
Language	English
Publisher Date	2004-04-25
Publisher Place	Arlington, Virginia, USA
Access Restriction	Subscribed
Subject Keyword	Design Temperature Fast neutron reactors Irradiation (radiation exposure) Testing performance Instrumentation Safety Calibration Testing
Content Type	Text
Resource Type	Article

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