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請(qǐng)英文高手給我寫個(gè)論文摘要,我不會(huì)寫,可是我會(huì)看喲,不好不給分,嘻嘻。。。
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摘要: 在當(dāng)今可持續(xù)發(fā)展、低碳經(jīng)濟(jì)理念指導(dǎo)下,人們?cè)陂_發(fā)新能源的同時(shí),也在節(jié)約現(xiàn)有能源、提高能源利用率上進(jìn)行了很多嘗試與實(shí)踐,這是因?yàn)樘岣吣茉蠢寐始礈p少能源消耗,其中,利用被動(dòng)式強(qiáng)化換熱技術(shù)以結(jié)構(gòu)簡(jiǎn)單,無需外加動(dòng)力等優(yōu)勢(shì),逐漸成為了一種強(qiáng)化換熱的主流趨勢(shì)。 縱向渦流發(fā)生器技術(shù)就是一種有效的被動(dòng)式強(qiáng)化換熱技術(shù)。本文通過對(duì)一種新型組合矩形翼渦流發(fā)生器的換熱特性及流動(dòng)場(chǎng)速度分布進(jìn)行實(shí)驗(yàn)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(fēng)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(duì)不同的截面進(jìn)行速度場(chǎng)分析,發(fā)現(xiàn)了組合翼渦流發(fā)生器的小翼所誘導(dǎo)在繞流元后形成的“衛(wèi)星渦”結(jié)構(gòu),并發(fā)現(xiàn)放置方式不同,會(huì)使“衛(wèi)星渦”的位置和大小產(chǎn)生變化;通過對(duì)比相對(duì)于光通道,不同截面的加熱板溫度的減少量及其對(duì)應(yīng)的速度場(chǎng)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(shí)驗(yàn)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(duì)其流場(chǎng)進(jìn)行實(shí)驗(yàn)研究,所得到的換熱與流動(dòng)場(chǎng)的對(duì)比結(jié)論對(duì)傳熱學(xué)基礎(chǔ)理論研究有參考價(jià)值。 |
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通過對(duì)不同的截面進(jìn)行速度場(chǎng)分析,發(fā)現(xiàn)了組合翼渦流發(fā)生器的小翼所誘導(dǎo)在繞流元后形成的“衛(wèi)星渦”結(jié)構(gòu),并發(fā)現(xiàn)放置方式不同,會(huì)使“衛(wèi)星渦”的位置和大小產(chǎn)生變化;通過對(duì)比相對(duì)于光通道,不同截面的加熱板溫度的減少量及其對(duì)應(yīng)的速度場(chǎng)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。 By analysing the velocity fields of different cross sections, we found that satellite vortex structure was induced behind flow element by airfoil of vortex generater with integrated wing. And with the different placements, the positions and sizes of satellite vortex were different. By comparing optical channel to the temperature decrease of heating plate with different cross sections and the related datas of velocity field, we also found that the satellite vortex effect was the primary reason for the heat transfer characteristics of vortex generater with a new integrated rectangular wing. 最后一段,一會(huì)兒奉上 |
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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(gè)專業(yè),翻譯的優(yōu)點(diǎn)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(shù)就是一種有效的被動(dòng)式強(qiáng)化換熱技術(shù)。本文通過對(duì)一種新型組合矩形翼渦流發(fā)生器的換熱特性及流動(dòng)場(chǎng)速度分布進(jìn)行實(shí)驗(yàn)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(fēng)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(gè)專業(yè)的,翻譯太耗精力了,明天繼續(xù)吧 |
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