Recently, along with the development of IT industry, demand for data centers is rapidly increasing. The data center is composed of high-heat-generating IT equipment, differently from general buildings, so an enormous cooling system is annually operated to minimize data loss according to malfunctioni...
Recently, along with the development of IT industry, demand for data centers is rapidly increasing. The data center is composed of high-heat-generating IT equipment, differently from general buildings, so an enormous cooling system is annually operated to minimize data loss according to malfunctioning of equipment. Therefore, this study selected an external air introducing cooling system as a plan to reduce air conditioning energy consumed at the data center, and derived an optimal plan regarding installation of equipment systems and wind air ducts by considering the heat source and air conditioning efficiency aspect to design an air conditioning energy efficiently. As a result of study, determining the mixing ratio of OA by existing temperature and enthalpy section was confirmed to be difficult to maintain the status of SA supplied to the server room from CRAH(computer room air handler), so as a result of calculating the mixing ratio of OA and the energy consumption based on the SA temperature, it was confirmed that the energy consumption of a direct external air introducing air conditioning system reduced by 43% compared to an existing central cold water cooling system. As a result of analyzing the energy consumption depending on enhancement of heat exchanger efficiency and improvement of SA temperature, it appeared that the energy is saved by about maximum 56% annually compared to the existing central cold water cooling system at a condition of heat exchanger efficiency 70% and SA temperature 22℃.Recently, along with the development of IT industry, demand for data centers is rapidly increasing. The data center is composed of high-heat-generating IT equipment, differently from general buildings, so an enormous cooling system is annually operated to minimize data loss according to malfunctioning of equipment. Therefore, this study selected an external air introducing cooling system as a plan to reduce air conditioning energy consumed at the data center, and derived an optimal plan regarding installation of equipment systems and wind air ducts by considering the heat source and air conditioning efficiency aspect to design an air conditioning energy efficiently. As a result of study, determining the mixing ratio of OA by existing temperature and enthalpy section was confirmed to be difficult to maintain the status of SA supplied to the server room from CRAH(computer room air handler), so as a result of calculating the mixing ratio of OA and the energy consumption based on the SA temperature, it was confirmed that the energy consumption of a direct external air introducing air conditioning system reduced by 43% compared to an existing central cold water cooling system. As a result of analyzing the energy consumption depending on enhancement of heat exchanger efficiency and improvement of SA temperature, it appeared that the energy is saved by about maximum 56% annually compared to the existing central cold water cooling system at a condition of heat exchanger efficiency 70% and SA temperature 22℃.
Recently, along with the development of IT industry, demand for data centers is rapidly increasing. The data center is composed of high-heat-generating IT equipment, differently from general buildings, so an enormous cooling system is annually operated to minimize data loss according to malfunctioning of equipment. Therefore, this study selected an external air introducing cooling system as a plan to reduce air conditioning energy consumed at the data center, and derived an optimal plan regarding installation of equipment systems and wind air ducts by considering the heat source and air conditioning efficiency aspect to design an air conditioning energy efficiently. As a result of study, determining the mixing ratio of OA by existing temperature and enthalpy section was confirmed to be difficult to maintain the status of SA supplied to the server room from CRAH(computer room air handler), so as a result of calculating the mixing ratio of OA and the energy consumption based on the SA temperature, it was confirmed that the energy consumption of a direct external air introducing air conditioning system reduced by 43% compared to an existing central cold water cooling system. As a result of analyzing the energy consumption depending on enhancement of heat exchanger efficiency and improvement of SA temperature, it appeared that the energy is saved by about maximum 56% annually compared to the existing central cold water cooling system at a condition of heat exchanger efficiency 70% and SA temperature 22℃.Recently, along with the development of IT industry, demand for data centers is rapidly increasing. The data center is composed of high-heat-generating IT equipment, differently from general buildings, so an enormous cooling system is annually operated to minimize data loss according to malfunctioning of equipment. Therefore, this study selected an external air introducing cooling system as a plan to reduce air conditioning energy consumed at the data center, and derived an optimal plan regarding installation of equipment systems and wind air ducts by considering the heat source and air conditioning efficiency aspect to design an air conditioning energy efficiently. As a result of study, determining the mixing ratio of OA by existing temperature and enthalpy section was confirmed to be difficult to maintain the status of SA supplied to the server room from CRAH(computer room air handler), so as a result of calculating the mixing ratio of OA and the energy consumption based on the SA temperature, it was confirmed that the energy consumption of a direct external air introducing air conditioning system reduced by 43% compared to an existing central cold water cooling system. As a result of analyzing the energy consumption depending on enhancement of heat exchanger efficiency and improvement of SA temperature, it appeared that the energy is saved by about maximum 56% annually compared to the existing central cold water cooling system at a condition of heat exchanger efficiency 70% and SA temperature 22℃.
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