淡江大學機構典藏:Item 987654321/120367
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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/120367


    Title: 5G天線陣列散熱器之液體冷卻模擬
    Authors: 王耀駿;李世鳴;歐陽寬;李哲尹
    Keywords: CFD;5G天線陣列;k- ω;共軛熱傳
    Date: 2020-10-31
    Issue Date: 2021-03-20 12:14:01 (UTC+8)
    Abstract: 本文利用CFD模擬5G天線陣列之液體冷卻散熱器的內部管道設計比較。研究了兩種天線陣列尺寸與三種管道設計,分別為小尺寸:121顆晶片、全尺寸:1024顆晶片,與兩種寬度之單一進出口管路設計、雙進出口管路設計。在模擬中,選用水作為工作流體,紊流模型採用k- ω標準型,並且有考慮共軛熱傳。單一晶片發熱量為2 W,其晶片溫度要求最高溫不得超過60度、溫差小於3度,且散熱器壓差要小於1 bar。在小尺寸模擬中,以雙進出水口之管道設計溫度表現最佳,再將此設計放入全尺寸模擬,比較不同之進水溫度與流量。最終研究結果發現,轉彎次數愈少的管道構型,能有效減少流體滯留現象,進而增強散熱效果,且進水口溫度與散熱效能成反比、流量與壓差成正比。
    Appears in Collections:[Graduate Institute & Department of Aerospace Engineering] Proceeding

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