A Calculation Method for Coupling of Primary and Secondary Loops in Nuclear Power System
A secondary loop, nuclear power technology, applied in the field of nuclear reactor systems, can solve problems such as inability to obtain simulation results and inability to transfer calculation results, and achieve easy coupling realization and modification of calculation models and simulation conditions, guarantee calculation accuracy, and improve The effect of accuracy
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[0020] In the following, the coupling analysis is realized by calling the system analysis program through the user-defined function of the computational fluid dynamics software as an example, and the explicit coupling method and the area division method of overlapping areas are selected, combined with figure 1 Schematic diagram of the coupling process with figure 2 The modeling diagram for further description:
[0021] The invention provides a coupling calculation method for the first and second loops of a nuclear power system, figure 1 A schematic diagram of the coupling process is given. In the figure, the solid line box is the computational domain of the system program, and the dotted line box is the computational fluid dynamics software computational domain. The specific coupling method is as follows:
[0022] Step 1: Use the geometric model building software to conduct three-dimensional modeling of the internal components of the steam generator, ignoring the small struc...
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