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As Purdue continues to make significant strides in research funding, the power and cooling infrastructures will be strained continuously. Several projects are being carried out to make the data centers on campus more energy efficient. Currently, there are 40 data centers on campus. Amongst them, the data center located in the basement of the Mathematics department (MATH) is the most energy intensive data center. This critical data center is considered as a case study, and simulations are carried out with proper integration to decrease the total energy utilization of the entire building. 2.2. Mathematics Department – Current System The data center in the Mathematics Department is located in the basement of the MATH building. With super computers like Conte, located in this data center, considerable amount of energy is required for cooling the data center. The instantaneous energy consumption of the data center is 1.1-1.5 MW. The energy consumed by the equipment used for cooling is approximately 700 kW, which is 50% of the total energy consumed by the data center. To meet this high cooling load, liquid cooling in the form of close coupled passive Rear Door Heat Exchanger is utilized. Figure 2-2 shows the liquid cooling system in place. The chilled water supplied to the data center is distributed to various rear door heat exchangers by the Cooling Distribution Unit (CDU). Figure 2-2. Current system overview (Gagnon, 2011). 13PDF Image | CO2 HEAT PUMPS FOR COMMERCIAL BUILDING APPLICATIONS
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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
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