Large nuclear reactor molten pool natural-convection heat transfer test system and method
A technology of natural convection and nuclear reactor, applied in the field of natural convection heat transfer test system of large nuclear reactor melting pool, it can solve the problem of small Rayleigh number of melting pool and achieve the effect of ensuring water temperature, reducing impact and facilitating flow adjustment
Active Publication Date: 2016-08-31
XI AN JIAOTONG UNIV
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The invention relates to a large nuclear reactor molten pool natural-convection heat transfer test system and method. The system comprises a large molten pool natural-convection heat transfer test piece, a molten salt heating furnace supplying high temperature melt, a nitrogen source connected to the test piece and the molten salt furnace, and a cooling water loop. The test system also includes supporting power distribution equipment, instrument control equipment and data measurement and acquisition equipment. In the cooling water loop, a centrifugal water pump drives water in a cooling water tank to take away a decay heat source through a cooling channel of the test piece, heated cooling water restores to an initial water temperature through a plate heat exchanger and a cooling tower and then returns to the cooling water tank. When the molten pool temperature reaches a steady state, the test ends, and the waste liquid in the test piece is discharged into a waste liquid pool. The invention also provides a test method. By means of the large nuclear reactor molten pool natural-convection heat transfer test, molten pool heat transfer data under a reactor serious accident condition can be acquired for safety design.
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