Method for establishing nuclear power system shell-and-tube heat exchanger numerical model under motion condition
A technology for shell-and-tube heat exchangers and establishment methods, which is applied in CAD numerical modeling, instruments, 3D modeling, etc., can solve the problems of less research on the performance of shell-and-tube heat exchangers, and achieve the effect of high calculation accuracy
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[0043] Below in conjunction with accompanying drawing, the present invention is described in further detail
[0044] Such as figure 1 As shown, the method for establishing the numerical model of the shell-and-tube heat exchanger of the nuclear power system under the motion condition of the present invention, the specific steps are as follows:
[0045] Step 1: According to the geometric structure characteristics of the shell-and-tube heat exchanger of the nuclear power system, according to the existing three-dimensional geometric modeling technology, the three-dimensional geometric model of the shell-and-tube heat exchanger suitable for the computational fluid dynamics program is established:
[0046] In order to obtain a larger heat transfer area for the shell and tube heat exchanger in the nuclear power system factory, a large number of heat transfer tubes are generally arranged between the primary and secondary sides, and the wall size of the heat transfer tubes is generally...
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