Abstract
As one of the tasks of the Comprehensive Research Facility for Fusion Technology (CRAFT), a High Heat Flux (HHF) testing device will be built to test the blanket and divertor of Chinese Fusion Engineering Testing Reactor (CFETR). The water loop is a key system of the HHF testing device. The main objective of the water loop is to provide deionized water at specific temperature, pressure, and flow rate for different testing experiments of the water-cooled blanket and water-cooled divertor components. The design of the water loop has been through three major steps. Firstly, the water cooled blanket and divertor were designed and analyzed, in detail, for CFETR. Secondly, thermal hydraulic features of the prototypes were abstracted from the analyses results. Then, the experiment plan was made so that the preliminary design of the water loop was carried out. The third step was the engineering design, which was conducted through cooperation with an industrial enterprise with certifications. At present, the water loop is ready for fabrication and construction. The water loop will be completed, for commissioning operation, by August 2022, as scheduled. After that, the experiments will be carried out step by step and provide solid technical base to CFETR.
Highlights
Fusion energy is an environment-friendly new energy, which is a promising way to solve the increasingly serious energy crisis and global warming
The engineering design of Chinese Fusion Engineering Testing Reactor (CFETR) started in December 2017
The experiment plan for the water loop of Comprehensive Research Facility for Fusion Technology (CRAFT) was made according to the design and analyses results of the water-cooled blanket and divertor of CFETR
Summary
Fusion energy is an environment-friendly new energy, which is a promising way to solve the increasingly serious energy crisis and global warming. Thereinto, a High Heat Flux (HHF) testing facility will be built to test the blanket and divertor of CFETR. This test device is equipped with two Electron Beam. Provide a testing environment of high thermal radiation loads, thermal hydraulics for water-cooled and helium-cooled divertor, and blanket of CFETR; test prototype components to verify their heat-resisting and thermal hydraulic performances; evaluate the manufacturing technologies to determine the standards and criteria for design and manufacture. The main objective of the water loop is to provide deionized water at specific temperature, pressure and flow rate for testing water-cooled blanket, and water-cooled divertor components towards CFETR. Based on the design and analyses of the CFETR prototype, the main parameters and functions of the water loop were determined.
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