具備援能力1MW液體冷卻能力機架之關鍵零組件CDU(冷卻分配單元)產品開發、試製與性能評估;Redundancy based product development, trial production and performance evaluation on a key component CDU (coolant distribution unit) for 1MW liquid cooling capacity rack

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题名:	具備援能力1MW液體冷卻能力機架之關鍵零組件CDU(冷卻分配單元)產品開發、試製與性能評估;Redundancy based product development, trial production and performance evaluation on a key component CDU (coolant distribution unit) for 1MW liquid cooling capacity rack
作者:	邱紹舜;CHIU, SHAO-SHUN
贡献者:	機械工程學系在職專班
关键词:	冷卻分配單元;熱管理設計;資料中心熱管理;流量控制
日期:	2025-09-30
上传时间:	2025-10-17 13:02:00 (UTC+8)
出版者:	國立中央大學
摘要:	本研究探討具有備援能力的冷卻分配單元(CDU)，在既有的空間架構下，能提供更多的解熱容量，並分析其各項指標與性能。隨著產業界對晶片效能的需求不斷上升，熱管理儼然成為最大的挑戰，尤其在既有的資料中心裡面，過去以風扇或Cold plate加上鋁鰭片解熱，不外乎便是體積大與低解熱效率的結合。相較之下，CDU能提供的解熱能力遠勝過原有的水對氣解熱方式，但伴隨而來的必然是潛在的洩漏風險。本研究透過實驗測試了CDU在不同熱附載下的散熱效果與各項數據指標，並分析了各種可能存在設備中的隱患，包括阻塞或過壓保護的阻斷性，結果顯示這個產物能在額定性能驗證中表現得非常貼近系統設計的期望，在IT設備端需要超載或過載運行時，我們也能及時跟上並提供對應的解熱效率。相關數據P.53 本研究證實，1MW額定指標與舊有風扇解熱效率所需佔用的體積優勢顯著，尤其CDU還能容納更大範圍的解熱需求。相關數據P.61 關鍵字：冷卻分配單元、熱管理設計、資料中心熱管理、流量控制 ;This study explores backup-capable Cooling Distribution Units (CDUs), demonstrating their ability to provide greater heat dissipation capacity within existing spatial architectures while analyzing various performance metrics and indicators. As the industry′s demand for higher chip performance continues to rise, thermal management has become a significant challenge. This is particularly evident in legacy data centers, where traditional cooling methods—such as fans or cold plates combined with aluminum fins—often result in a combination of large physical footprints and low thermal dissipation efficiency. In contrast, CDUs offer significantly superior cooling capabilities compared to conventional air-to-water cooling methods. However, they also introduce potential leakage risks. Through experimental testing, this study evaluates the thermal dissipation performance of CDUs under varying heat loads and assesses various system indicators. It also analyzes potential issues within the equipment, such as blockage or overpressure protection interruptions. Results indicate that CDUs perform remarkably close to design expectations under rated conditions. Furthermore, when IT equipment operates under overload or excessive heat conditions, CDUs can adapt promptly and provide the necessary cooling efficiency. The study confirms that CDUs demonstrate a significant advantage in terms of space efficiency for a rated capacity of 1MW, compared to traditional fan-based cooling systems. Moreover, CDUs can accommodate a broader range of heat dissipation requirements. Keywords: Cooling Distribution Unit(CDU), Thermal Management Design, Data Center Thermal Management, Flow Control(LPM)
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