Location grid with long direction eddy generator
A longitudinal vortex generator and spacer grid technology, applied in the field of spacer grids, can solve the problems of increased channel pressure drop, increased fluid resistance, etc., and achieve the effect of increasing heat transfer capacity and improving comprehensive heat transfer capacity.
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[0030] Refer to figure 1 (a) and figure 1 As shown in (b), the fuel assembly 10 is composed of a lower structure or lower tube holder 12, a control rod guide tube 14, a positioning grid 16, a fuel rod 18, a representative tube 20, and an upper structure or upper tube holder 22. The lower tube holder 12 is used to support the components seated on the lower core plate (not shown) of the core (not shown); the control rod guide tube 14 extends upward from the lower tube holder 12; the horizontal positioning grid The rack 16 is used to provide lateral support for the fuel rods arranged in a certain manner, and the upper tube base 22 is connected to the upper end of the guide tube 14 to form a complete assembly that can perform conventional operations without damaging the fuel assembly components. Both the lower tube socket 12 and the upper tube socket 22 have a connecting plate, and a hole on the plate allows liquid coolant (for example, water) to flow therethrough. A set of rod bund...
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