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请英文高手给我写个论文摘要，我不会写，可是我会看哟，不好不给分，嘻嘻。。。
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摘要： 在当今可持续发展、低碳经济理念指导下，人们在开发新能源的同时，也在节约现有能源、提高能源利用率上进行了很多尝试与实践，这是因为提高能源利用率即减少能源消耗，其中，利用被动式强化换热技术以结构简单，无需外加动力等优势，逐渐成为了一种强化换热的主流趋势。 纵向涡流发生器技术就是一种有效的被动式强化换热技术。本文通过对一种新型组合矩形翼涡流发生器的换热特性及流动场速度分布进行实验研究，发现新型组合矩形翼较之矩形翼涡流发生器是一种更理想的壁面绕流元，分析发现组合翼涡流发生器的最有放置方式为反向背风放置，而且小翼角度为30°的新型组合矩形涡流发生器换热特性要好于小翼角度为45°的新型涡流发生器；通过对不同的截面进行速度场分析，发现了组合翼涡流发生器的小翼所诱导在绕流元后形成的“卫星涡”结构，并发现放置方式不同，会使“卫星涡”的位置和大小产生变化；通过对比相对于光通道，不同截面的加热板温度的减少量及其对应的速度场数据，发现“卫星涡”的作用是决定新型组合翼涡流发生器换热性能的根本原因。 实验发现新型组合翼涡流发生器是一种在阻力增加不明显的情况下显著提高换热的绕流元；通过对其流场进行实验研究，所得到的换热与流动场的对比结论对传热学基础理论研究有参考价值。 |
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chifan446(金币+60, 翻译EPI+1):翻译水平很高。 2010-11-17 09:26:13
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可能感觉如此翻译好点，多点被动语态，被强调的做主语！ Under the guidance of sustainable development and Low Carbon Economy concept, new engery has been exploited. Meanwhile, plentful of trial and test are devoted to saving and enhancing utilization efficiency of energy. It was ascribed to the fact that enhancing the utilized efficiency of energy means energy saving. Passive augmentation heat transfer is popularly applied to the fields of augmentation heat transfer, owing to the advantages of the simple structure and no required additional power. Longitudinal vortex generater delegated a kind of effective passive augmentation heat transfer technology. The heat transfer characteristics and velocity distribution of a new integrated rectangular wing were studied in the paper. It was found that new integrated rectangular wing is a more ideal flow unit for vortex generater as compared with rectangular wing. In addition, it is most effective placement of the generater that is placed in the lee of the wind. And the generater with 30° airfoil angle of integrated rectangular wing exhibited superior heat transfer characteristics to that with 45°of airfoil angle. Based on the analysis of the velocity fields from different cross sections, it was found that satellite vortex structure was formed behind flow element by the induction of airfoil of vortex generater with integrated wings. Because of the different placements, the positions and sizes of satellite vortex were different. Though comparing optical channel, the temperature decrease of heating plate and the corresponding related data from velocity fields, it also found that the satellite vortex effect was responsible for the preferable heat transfer characteristics of such novel vortex generater. |
9楼2010-11-16 19:25:15
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Under the guidance of sustainable development and Low Carbon Economy concept, people are harnessing new engery. At the same time, they may focus their practice in energy saving and enhancing the utilization efficiency of energy.That is because enhancing the utilization efficiency of energy equals energy saving. Passive augmentation heat transfer which has the advantages of simple construction and needing no additional power will become the mainstream of augmentation heat transfer methods. 先翻译第一段，不是一个专业，翻译的优点困难 |
3楼2010-11-15 14:31:59
4楼2010-11-15 18:14:47
chifan446(金币+40):坚持不懈地做事是种精神，值得鼓励 2010-11-17 09:26:53
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接上面，继续第二段哈 纵向涡流发生器技术就是一种有效的被动式强化换热技术。本文通过对一种新型组合矩形翼涡流发生器的换热特性及流动场速度分布进行实验研究，发现新型组合矩形翼较之矩形翼涡流发生器是一种更理想的壁面绕流元，分析发现组合翼涡流发生器的最有放置方式为反向背风放置，而且小翼角度为30°的新型组合矩形涡流发生器换热特性要好于小翼角度为45°的新型涡流发生器Longitudinal vortex generater technology is a kind of effective passive augmentation heat transfer technology. This paper studied heat transfer characteristics and the distribution of velocity of a new integrated rectangular wing, found that new integrated rectangular wing is properer flow element than vortex generater with rectangular wing and the most effective placement for vortex generater with integrated rectangular wing is to place it in the lee of the wind. And vortex generater with integrated rectangular wing with 30° airfoil angle has better heat transfer characteristics than that with 45° airfoil angle. 不是一个专业的，翻译太耗精力了，明天继续吧 |
5楼2010-11-15 22:03:06