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請英文高手給我寫個論文摘要,我不會寫,可是我會看喲,不好不給分,嘻嘻。。。
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摘要: 在當今可持續(xù)發(fā)展、低碳經(jīng)濟理念指導下,人們在開發(fā)新能源的同時,也在節(jié)約現(xiàn)有能源、提高能源利用率上進行了很多嘗試與實踐,這是因為提高能源利用率即減少能源消耗,其中,利用被動式強化換熱技術以結構簡單,無需外加動力等優(yōu)勢,逐漸成為了一種強化換熱的主流趨勢。 縱向渦流發(fā)生器技術就是一種有效的被動式強化換熱技術。本文通過對一種新型組合矩形翼渦流發(fā)生器的換熱特性及流動場速度分布進行實驗研究,發(fā)現(xiàn)新型組合矩形翼較之矩形翼渦流發(fā)生器是一種更理想的壁面繞流元,分析發(fā)現(xiàn)組合翼渦流發(fā)生器的最有放置方式為反向背風放置,而且小翼角度為30°的新型組合矩形渦流發(fā)生器換熱特性要好于小翼角度為45°的新型渦流發(fā)生器;通過對不同的截面進行速度場分析,發(fā)現(xiàn)了組合翼渦流發(fā)生器的小翼所誘導在繞流元后形成的“衛(wèi)星渦”結構,并發(fā)現(xiàn)放置方式不同,會使“衛(wèi)星渦”的位置和大小產(chǎn)生變化;通過對比相對于光通道,不同截面的加熱板溫度的減少量及其對應的速度場數(shù)據(jù),發(fā)現(xiàn)“衛(wèi)星渦”的作用是決定新型組合翼渦流發(fā)生器換熱性能的根本原因。 實驗發(fā)現(xiàn)新型組合翼渦流發(fā)生器是一種在阻力增加不明顯的情況下顯著提高換熱的繞流元;通過對其流場進行實驗研究,所得到的換熱與流動場的對比結論對傳熱學基礎理論研究有參考價值。 |
» 搶金幣啦!回帖就可以得到:
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可能感覺如此翻譯好點,多點被動語態(tài),被強調的做主語! 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. |
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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. 先翻譯第一段,不是一個專業(yè),翻譯的優(yōu)點困難 |
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接上面,繼續(xù)第二段哈 縱向渦流發(fā)生器技術就是一種有效的被動式強化換熱技術。本文通過對一種新型組合矩形翼渦流發(fā)生器的換熱特性及流動場速度分布進行實驗研究,發(fā)現(xiàn)新型組合矩形翼較之矩形翼渦流發(fā)生器是一種更理想的壁面繞流元,分析發(fā)現(xiàn)組合翼渦流發(fā)生器的最有放置方式為反向背風放置,而且小翼角度為30°的新型組合矩形渦流發(fā)生器換熱特性要好于小翼角度為45°的新型渦流發(fā)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. 不是一個專業(yè)的,翻譯太耗精力了,明天繼續(xù)吧 |
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