Heat exchanger provided with area-varying communication holes
A technology of heat exchangers and communication holes, which is applied in the field of shell and tube heat exchangers, can solve problems such as uneven internal pressure, and achieve the effects of increasing service life, best heat exchange effect, and improving heat exchange efficiency
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[0040] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0041] In this article, if there is no special explanation, when it comes to formulas, " / " means division, and "×" and "*" mean multiplication.
[0042] a heat exchanger such as figure 1 As shown, the heat exchanger includes an upper header 8 and a lower header 9 and heat exchange tubes arranged between the upper and lower headers 8 and 9 . Fins 11 are arranged between the heat exchange tubes. The heat exchanger can be widely used such as automobile heat exchanger, air conditioner heat exchanger and so on.
[0043] Such as figure 2 As shown, the heat exchange tubes are flat heat exchange tubes, including flat tubes 1 and fins 7, the flat tubes 1 include tube walls 3 and side walls 12 parallel to each other, and the side walls 12 connect parallel tube walls 2, the fluid channel 2 is formed between the side wall 12 and the parallel tube...
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