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Browsing by Author "Mao, Ruiyong"
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Experimental and Numerical Investigation on Thermal Performance of Data Center via Fan-wall Free Cooling Technology
Lan, Jiang; Zhang, Zujing; Liang, Xing; Wu, Hongwei; Wang, Gang; Mao, Ruiyong (2023-06-25)With the rapid increase in the scale of data center (DC) construction, DC air conditioning energy consumption has attracted wide attention over the past years. As the DCs are located in the mild climate regions, the air-side ... -
Experimental investigation on environmental control of a 50-person mine refuge chamber
Zhang, Zujing; Jin, Ting; Wu, Hongwei; Day, Rodney; Gao, Xiangkui; Wang, Kequan; Mao, Ruiyong (2022-02-15)Air quality and thermal environment of mine refuge chamber (MRC) are very important to determine the physical safety of refugees. Accurately assessing the environmental load and taking reasonable measures are critical to ... -
Experimental investigation on thermal performance of underground refuge chamber under natural convection and ventilation
Jin, Ting; Zhang, Zujing; Ge, Liang; Liang, Xing; Wu, Hongwei; Mao, Ruiyong (2023-12-31)Thermal performance of densely populated underground buildings is normally influenced by various factors, including the surrounding rock (SR), ventilation, and indoor heat sources. It is recognized that little experimental ... -
Experimental study on cooling and dehumidification performance of an ice storage air conditioner used in underground refuge chamber
Guo, Weishuang; Zhang, Zujing; Wu, Hongwei; Ge, Liang; Liang, Xing; Mao, Ruiyong (2023-07-11)Temperature and humidity control in underground refuge chamber is an important issue in the case of power failure after a disaster. In this article, an ice storage air conditioner was newly developed for refuge chambers. ... -
Experimental Study on Temperature Control Optimization of Ground Source Heat Pump Horizontal Headers
Tian, Xusong; Mao, Ruiyong; Pei, Peng; Wu, Hongwei; Ma, Hong; Hu, Cheng; Zhang, Zujing (2022-12-15)The energy loss of ground source heat pump horizontal headers cannot be ignored. Based on the similarity theory and the principle of the orthogonal test, a sandbox experiment platform was built to study the temperature ... -
Investigation on Temperature Control Based on Cooled Mine Compressed Air for Mine Refuge Chamber with High-temperature Surrounding Rock
Zhang, Zujing; Guo, Weishuang; Gao, Xiangkui; Wu, Hongwei; Mao, Ruiyong (2023-05-01)Acceptable temperature is very important for mine refuge chamber (MRC) to ensure the safety of occupants. A novel temperature control scheme combining cold source storage with mine compressed air (MCA) was proposed for ... -
Numerical study on the heat transfer performance of mine ice-storage cooling device
Guo, Weishuang; Zhang, Zujing; Liang, Xing; Wu, Hongwei; Ge, Liang; Mao, Ruiyong (2024-05-15)The thermal performance of the ice-storage cooling device used in the underground mine refuge chamber is poor, which causes a waste of energy. Therefore, it is necessary to improve the heat transfer performance of ice ... -
Optimization of airflow organization in fan-wall data center via baffles
Wu, Li; Mao, Ruiyong; Wu, Hongwei; Zhang, Jun; Li, Chao; Yi, Xiaoyan; Huang, Guoquan; Zhang, Zujing (2024-02-16)The utilization of natural fresh air for cooling server rooms in fan-wall data centers effectively reduces the operational duration of air conditioning, resulting in enhanced energy efficiency. Nonetheless, there are few ... -
Performance Analysis of an Improved Temperature Control Scheme with Cold Stored in Surrounding Rock for Underground Refuge Chamber
Zhang, Zujing; Guo, Weishuang; Mao, Ruiyong; Ge, Liang; Liang, Xing; Wu, Hongwei (2024-01-05)This article proposed an improved temperature control scheme that combines mine compressed air, ice storage and surrounding rock, for mine refuge chambers. The feasibility of cooling mine compressed air via an ice storage ... -
Thermal performance of an ice storage device for cooling compressed mine air in high-temperature mine refuge chambers
Zhang, Zujing; Guo, Weishuang; Wu, Hongwei; Ge, Liang; Liang, Xing; Mao, Ruiyong (2023-10-31)Power outages and the risk of explosion in disaster areas make the temperature control in hot mine refuge chambers become extremely challenging. In this article, an ice storage cooling mine compressed air device with a ...