Abstract
For the steady running of the first-wall (FW) in international thermonuclear experimental reactor (ITER), it’s essential to introduce highly effective heatsinks which can bear high heat flux and remove it up to 30MW m-2. Hypervapotron (HV) is one of the most promising devices in which the subcooled boiling plays a significant role. In this work, notable conclusions drawn by other researchers have been summarized, like “Vapotron effect” and “appearance of vortex”. Characteristics of different HV fabrications were compared at the same time. Especially, aiming at the optimization of Hypervapotron test section for FW in ITER, a series of selected HV heat transfer experiments were analysed thoroughly, including the working fluid parameters, structures of test section, CHF test results, etc. The most reasonable and reliable design of the test sections and corresponding parameters were chosen and optimized.
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