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高原地区发电舱内热环境的模拟研究 预览

Numerical Study on Thermal Environment of Power Generation Cabin in Plateau Areas
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摘要 本文建立了高原地区低温低压环境下发电舱内热环境的理论模型,模拟了发电舱内空气流动换热和舱内设备器件传热过程,探究了极端环境温度条件下发电舱内柴油发电机组散热量和通风量对舱内空气温度的影响,同时分析了传热方式,器件功耗和耦合传热对舱内功耗器件温度的影响。研究表明当舱体所处的环境温度升高、柴油发电机组散热量增加、通风量减少,器件功耗增加时,舱内空气温度升高。另外,较大的空气扰动,较高的功耗以及距柴油发电机组较近的距离都会导致功耗器件温度偏高。 A theoretical model of the thermal environment in the generator cabin at the antarctic low temperature and low pressure conditions is established. The air flow heat transfer in the generator cabin and the heat transfer process of the equipment in the cabin are investigated numerically. The effects of the heat dissipation of the diesel generator and ventilation on the air temperature in the generator cabin under extreme temperature are explored. Meanwhile, the effects of heat transfer mode, device power consumption and coupled heat transfer on the temperature of the power device in the cabin are analyzed. Studies have shown that the air temperature in the cabin rises when the ambient temperature of the cabin is risen, the heat dissipation of the diesel generator is increased, the ventilation is reduced, or the power consumption of the device is increased. In addition, large air disturbances, high power consumption, and close proximity to the diesel generator can result in high power device temperature.
作者 张子文 沈燕 许翠萍 邓梓龙 吴苏晨 ZHANG Ziwen;SHEN Yan;XU Cuiping;DENG Zilong;WU Suchen(School of Energy and Environment, Southeast University;Architectural Design and Research Institute Co., Ltd., Southeast University)
出处 《建筑热能通风空调》 2019年第5期39-42,共4页 Building Energy & Environment
基金 国家自然科学基金(No.51776037).
关键词 高原地区 低温 低压 传热 plateau areas low temperature low pressure heat transfer
作者简介 通讯作者:邓梓龙( 1988-),男,博士,讲师;东南大学能源与环境学院( 210096);E-mail:zldeng@seu.edu.cn.
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