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An experimental study was conducted to examine the behavior of a refrigerant two-phase system for cooling multiple servers at differing vertical locations within a standard data center rack. In such racks, the vertically stacked servers may operate at different utilization levels and hence may have differing power dissipations. Furthermore, these distinct power dissipations may occur at differing...
Our theoretical studies showed that absorption refrigeration (AR) system and organic Rankine cycle (ORC) are the most promising technology candidates in utilizing the waste heat dissipated by data centers. Since both candidates work with heat of temperatures not less than ∼65°C, this study is limited to water-cooled and hybrid two-phase cooled data centers. However, there exist challenges in the integration...
Cyclically utilized electronics provide an interesting challenge for thermal management. Phase Change Materials (PCM) are ideal for cyclic operations due to their high capacity to store heat, however, many phase change materials do not exhibit sufficient conductivity to be effective in larger sizes. Conductivity enhancement can be done in a number of ways including the use of foams or nanomaterials...
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