화생방정찰차-Ⅱ 화생방장비 전원공급기 개발을 위한 내부 방열성능 최적화 연구
Optimizing Internal Heat Dissipation to Develop Power Supply for Nuclear, Biological, Chemical Equipment Mounted on Nuclear, Biological, Chemical, Reconnaissance Vehicle-Ⅱ
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Efficient heat dissipation within power supplies protects electrical and electronic components that are susceptible to heat and provides the minimum protection necessary to ensure normal operation, thus rendering heat dissipation a critical factor in product design. Among the power-supply configurations, the RST-10000-24 switched-mode power supply consumes the most power and may generate a significant amount of heat; however, it does not significantly affect the internal temperature as it is equipped with a cooling fan. The XDR-75E-24 switched-mode power supply consumes a high amount of power but does not have its own cooling fan; therefore, it is believed to be the main cause of internal heat generation in the power supply. Fluid analysis is conducted with the distance between mid-the surface and fan inside the power supply as a variable based on the temperature distribution centered on the heat source. Results for distances ranging from a minimum of 130mm to a maximum of 200mm are obtained, and the optimal distance is shown to be 170mm.
Abstract
Efficient heat dissipation within power supplies protects electrical and electronic components that are susceptible to heat and provides the minimum protection necessary to ensure normal operation, thus rendering heat dissipation a critical factor in product design. Among the power-supply configurations, the RST-10000-24 switched-mode power supply consumes the most power and may generate a significant amount of heat; however, it does not significantly affect the internal temperature as it is equipped with a cooling fan. The XDR-75E-24 switched-mode power supply consumes a high amount of power but does not have its own cooling fan; therefore, it is believed to be the main cause of internal heat generation in the power supply. Fluid analysis is conducted with the distance between mid-the surface and fan inside the power supply as a variable based on the temperature distribution centered on the heat source. Results for distances ranging from a minimum of 130mm to a maximum of 200mm are obtained, and the optimal distance is shown to be 170mm.