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Feasibility Study of using CCHP in Data Centers of Iran

Ranjbar, Hossein | 2025

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 58426 (46)
  4. University: Sharif University of Technology
  5. Department: Energy Engineering
  6. Advisor(s): Sattari, Sorena
  7. Abstract:
  8. Considering the significant importance of optimal planning for the performance of Combined Cooling, Heating, and Power (CCHP) systems integrated with data centers in energy and economic discussions, many researchers have examined this topic from various perspectives. This study investigates the feasibility of utilizing CCHP systems in data centers in Iran. Initially, various technologies employed in CCHP systems are reviewed, followed by an examination of the cooling systems used in data centers. Subsequently, a multi-objective optimization model for CCHP is developed, considering economic objectives, primary energy savings, and pollutant emissions. The multi-objective optimization problem is solved using a novel method, and Pareto-optimal solutions are extracted. The results indicate that the CCHP system is more beneficial in terms of cost savings and carbon dioxide emission reduction compared to traditional energy systems in data centers. The annual cost savings and payback period are calculated as $137227 and 2.54 years, respectively. Sensitivity analysis is performed on parameters influencing the selection of the cooling system type used in the data center, showing that with an increase in the coefficient of performance (COP) of the compression chiller, a decrease in electricity purchase price from the grid, and an increase in natural gas price, the capacity utilization of the absorption chiller decreases, while that of the compression chiller increases. Additionally, To validate the model's output results, the CCHP cycle is modeled using the model's output in the Thermoflow software, and the absorption chiller is modeled in the Aspen Plus software
  9. Keywords:
  10. Data Center ; Power Supply ; Chiller ; Combined Cooling, Heating, and Power (CCHP) ; Absorption Chiller

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