Thermophysical parameter calculation method and homogenization design method of plate-fin heat exchanger
A technology for plate-fin heat exchangers and thermophysical parameters, which is applied in calculation, instrumentation, electrical digital data processing, etc., can solve problems such as difficult to use, complicated and cumbersome methods, and affecting the development of plate-fin heat exchangers
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[0083] Figure 1~3 It is the best embodiment of the present invention, below in conjunction with attached Figure 1~3 The present invention will be further described.
[0084] Such as Figure 1~2 As shown: the core of the plate-fin heat exchanger includes a plate 1 and a fin 2, and a fin 2 is provided between each two adjacent plates 1. , so that a plurality of flow channels 3 are formed between every two adjacent plates 1, and the cross-section of the flow channels 3 is an isosceles trapezoid.
[0085] The plate 1 and fin 2 of the core of the plate-fin heat exchanger are brazed and have a compact structure. Unlike conventional homogeneous materials, the core of the plate-fin heat exchanger has the characteristics of a periodic porous structure. Due to the periodicity and complexity of the core structure of the heat exchanger, it is difficult to conduct finite element analysis directly, and it is necessary to use the equivalent homogenization method for finite element analy...
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