阿葉 發問時間: 社會與文化語言 · 1 0 年前

[翻譯]論文摘要~英翻中

論文摘要需要中翻英~希望英文高手能夠幫幫忙~

本研究主要目的為:利用CFD氣流模擬與熱交換器熱傳分析,針對傳統氣冷式冰水機冷凝盤管氣流分佈大小不均且內外不一致之缺點,設計七種創新冷凝盤管,探討創新冷凝盤管對於氣冷式冰水主機冷凝器氣流分佈之影響,試圖找出最佳設計配置,達到改善冷凝器熱傳性能與提升機組能源效率之目的。

研究結果發現,改變盤管鰭片間距,僅能降低成本並不能提升熱傳量,且無法使內外盤管有較一致的平均風速,且熱傳量僅有小幅度變化,改變盤管鰭片間距分佈以案例D2為最佳,以案例A為基準,平均風速與熱傳分別提升13.51%與3.23%,較案例C提升3.86%與-0.51%。改變盤管管排數排列,能使內外盤管有較均勻的氣流分佈,案例F為最佳之設計方式,可改善風速分布不均,且內外盤管平均風速較為一致性,較案例A改善為20.42%,總熱傳量則為10.28%;較案例C改善為9.59%與4.9%。,

已更新項目:

不好意思..附上專有名詞:鰭片間距 fin pitch ;管排數排列 tube rows arrangement ; 氣冷式冰水主機 air-cooled liquid chiller

2 個已更新項目:

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  • 匿名使用者
    1 0 年前
    最佳解答

    The primary purpose of this research is as follows: Utilizing the CFD current simulation and heat exchange/heat conducting analysis, in lieu of traditional air-cooled water cooler condensation plate distributes air currents unevenly and unsteadily, to devise seven breakthrough condensation tubes and to discuss the influence of such inventions on the cold air circulation in the air-cooled water cooler's condenser, in order to find the best configuration which would lead to improved heat transfer efficiency of the condenser and in turn increase the machine's overall efficiency.

    Research results show that by changing the distance between fins on the tube plate, it can only lower total cost, but it does not increase volume of heat transferred, nor does it stabilize wind speed inside and outside of the tube plate. The change in heat transfer volume is also neglectable.

    Changing tube plate fins distance yielded best results in case D2. Compared to those of case A, the average wind speed and heat transfer volume increased by 13.51% and 3.23% respectively; and 3.86% increase in wind speed but 0.51% decrease in heat transfer volume compared to results in case C.

    By changing the number of tubes and their arrangement in the tube plat, it helps distribute air currents more evenly among the inside and outside of the tube plate.

    Case F appears to be the best configuration. It improves wind speed distribution and stabilizes average wind speeds on the inside and outside of the tube plate. The results of this case show an increase in average wind speed of 20.42% and a 10.28% increase in total heat transfer volume compared to those in case A; and a 9.59% and 4.9% respective improvement compared to case C.

    註: 很多專有名詞我不知道你應該要再去查查...

    參考資料: myself
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  • 1 0 年前

    The thesis summary looks through Great Britain while needing - Hope the English past master can help - This main purpose of research is: Utilize CFD air current simulation and hot to is it analyse condensation serpentine air current distribute all kinds of inequality and internal and external inconsistent shortcomings to traditional air cooling frozen water machine to spread heat exchanger, design seven kinds of innovative condensation serpentines, probe into the influence that the innovative condensation serpentine is distributed to the air cooling type frozen water host computer condenser air current, attempt to find out the optimum design disposition, achieve and improve the hot biography performance of the condenser and purpose to improve aircrew's energy efficiency.

    A a result find , change one scene of intervals of serpentine fin, can lower costs and can not raise the hot spreading amount only, and unable to make the internal and external serpentine have more unanimous average wind speed, and the hot spreading amount only has small range that changes, it is best to change one scene of intervals of serpentine fin and is distributed with case D2, on a basis of case A, wind speed and heat are spread and improved by 13.51% and 3.23% respectively on average, relatively case C improve by 3.86% and - 0.51%.

    Change one and manage and arrange and count arranging, can make the internal and external serpentine have more even air currents to distribute, case F is the best design, can improve the wind speed maldistribution, and the average wind speed of internal and external serpentine is comparatively consistency, case A it improves to be 20.42% relatively, hot spreading amount 10.28% always; Relatively case C is improving as 9.59% and 4.9%.

    參考資料: 我是應外系^^
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