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首页> 外文期刊>Journal of enhanced heat transfer >NUMERICAL AND EXPERIMENTAL STUDIES ON AN INNOVATIVE WASP WAIST TUBE AND LOUVERED-FIN-TYPE ASSEMBLED COMPACT RADIATOR
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NUMERICAL AND EXPERIMENTAL STUDIES ON AN INNOVATIVE WASP WAIST TUBE AND LOUVERED-FIN-TYPE ASSEMBLED COMPACT RADIATOR

机译：一种新型黄蜂腰管和百叶鳍式组装紧凑型散热器的数值和实验研究

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摘要

Aiming at improving the air-side thermal-hydraulic performance of the assembled compact fin-and-tube radiator, an innovative wasp waist tube is proposed which is deformed from the traditional flat tube. The thermal-hydraulic performance of the wasp waist tube with different aspect ratios was compared with the flat tube using numerical analysis. The results showed that the heat transfer capacity of the wasp waist tube was better than that of the flat tube. The wasp waist tube with an aspect ratio of L/W = 5 was then selected with consideration of heat transfer capacity and manufacturing factors. Furthermore, the geometrical parameters of the louvered fin associated with the wasp waist tube were also optimized using the orthogonal experiment method. Various simulations were carried out using different models of varying air velocities and optimal parameters, namely, Fp = 2.52 mm, Lp = 1.5 mm, Lw = 3.58 mm, La = 23 degrees, were found among the cases studied. Finally, wind tunnel experiments were also carried out to compare the wasp waist tube radiator with the circular, oval, and flat tube radiators. The results showed that the proposed wasp waist tube and louvered fin structure could improve the air-side heat transfer of the compact radiator, which can be applied not only in the automobile industry but also in other potential applications.
机译：为了提高组装好的紧凑型翅片管散热器的空气侧热工液压性能，提出了一种创新的黄蜂腰管，该黄蜂腰管与传统的扁平管有所不同。使用数值分析比较了不同纵横比的黄蜂腰管与扁平管的热工液压性能。结果表明，黄蜂腰管的传热能力优于扁平管。然后考虑传热能力和制造因素，选择长宽比为L / W = 5的黄蜂腰管。此外，还使用正交实验方法优化了与黄蜂腰管相关的百叶窗鳍的几何参数。使用不同风速的不同模型进行了各种模拟，并在所研究的案例中发现了最佳参数，即Fp = 2.52 mm，Lp = 1.5 mm，Lw = 3.58 mm，La = 23度。最后，还进行了风洞实验，以比较黄蜂腰管散热器与圆形，椭圆形和扁平管散热器。结果表明，所提出的黄蜂腰管和百叶窗式翅片结构可以改善紧凑型散热器的空气侧传热，不仅可以应用于汽车工业，而且可以应用于其他潜在应用。

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