【摘要】：隨著電子信息技術(shù)的高速發(fā)展,電子元件的尺寸越來越小,芯片的集成密度和工作頻率不斷提高,致使現(xiàn)代計算機呈現(xiàn)出大功率、高熱流密度的特點。高性能計算機專用空調(diào)制冷系統(tǒng)作為機房環(huán)境控制的關(guān)鍵部分,其可靠性、穩(wěn)定性和節(jié)能性越來越受到重視。 根據(jù)某高性能計算機全天候溫控的需要,進行了計算機專用空調(diào)制冷系統(tǒng)設(shè)計研究。介紹了計算機專用空調(diào)的發(fā)展背景和設(shè)計基礎(chǔ)；調(diào)研了用戶的應(yīng)用環(huán)境、技術(shù)需求、應(yīng)用對象的結(jié)構(gòu)特點和熱負荷狀況,為空調(diào)系統(tǒng)的設(shè)計和優(yōu)化提供了依據(jù)；從實際整體設(shè)計要求出發(fā),結(jié)合國內(nèi)外廣泛使用的設(shè)計方法,優(yōu)化了密閉機柜內(nèi)水平送風(fēng)的氣流組織方案,并利用ANSYS軟件進行密閉機柜內(nèi)的氣流流場模擬；根據(jù)設(shè)計對象特點,提出了采用3個制冷壓縮機、“兩用一備”、輪值運行的設(shè)計方案；在充分對各項參數(shù)計算的基礎(chǔ)上,科學(xué)地選取了壓縮機,確定了蒸發(fā)器和冷凝器的設(shè)計尺寸和結(jié)構(gòu)形式。 研究表明,設(shè)計方案特別適合高性能計算機全天候溫控需要,達到高可靠性、高穩(wěn)定性,并且使能源高效利用,節(jié)能降耗,節(jié)約用戶運行成本。
[Abstract]:With the rapid development of electronic information technology, the size of electronic components is becoming smaller and smaller, and the integrated density and working frequency of chips are increasing, which leads to the characteristics of high power and high heat flux in modern computer. As the key part of computer environment control, the reliability, stability and energy saving of high performance computer-specific air conditioning and refrigeration system are paid more and more attention. According to the requirement of all-weather temperature control of a high performance computer, the design and research of special air conditioning and refrigeration system for computer are carried out. This paper introduces the development background and design basis of computer special air conditioning, investigates the application environment, technical requirements, structure characteristics and heat load status of the application object, which provides the basis for the design and optimization of the air conditioning system. According to the actual overall design requirements, combined with the widely used design methods at home and abroad, the airflow organization scheme of horizontal air supply in the closed cabinet is optimized, and the airflow field in the closed cabinet is simulated by using ANSYS software. According to the characteristics of the design object, the design scheme of using three refrigerating compressors, "dual-use one standby" and rotating operation is put forward. Based on the calculation of the parameters, the compressor is selected scientifically and the design size and structure of the evaporator and condenser are determined. The research shows that the design scheme is especially suitable for the all-weather temperature control of high performance computer, which can achieve high reliability and stability, and make energy efficient utilization, energy saving and consumption reduction, and save the user's running cost.
【學(xué)位授予單位】：合肥工業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TP308;TB657.2

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