Small-channel parallel pipeline heat exchanger with fins and calculation method
A technology of parallel pipelines and heat exchangers, applied in indirect heat exchangers, heat exchanger types, heat exchange simulation, etc. Heat exchange effect and other issues, to achieve the effect of improving the heat exchange effect outside the tube, making up for the adverse effects, and improving the performance of the heat exchanger
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[0026] The present invention will be further elaborated below in conjunction with accompanying drawing:
[0027] see Figure 1 to Figure 5 As shown, a finned small channel parallel pipe heat exchanger includes an inlet pipe 1, a parallel pipe 2 and a discharge pipe 3. The parallel pipe 2 communicates with the inlet pipe 1 and the discharge pipe 3 respectively, and the parallel pipe Fins 4 are arranged on the road 2, and the parallel pipes 2 are arranged in at least one row, and when the outer diameter of the parallel pipes 2 is d o The value range is 1mmo ≤3.95mm, the heat transfer capacity of the heat exchanger and the structure of the heat exchanger conform to the following formula:
[0028]
[0029] Among them, Q is the heat transfer, the unit is W; C 0 is the error coefficient, the value is between 0.8 and 1.2; C 1 It is a constant value between 0.023 and 0.027; C 2 is a constant, the value is between 1.2 and 1.4; λ is the thermal conductivity of the medium outside ...
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