Minqiang Pan

South China University of Technology

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Yong Tang

South China University of Technology

Chao Li

South China University of Technology

Chaomeng Chen

Guizhou Minzu University

Wei Yuan

South China University of Technology

Shu Yang

South China University of Technology

Zhenping Wan

South China University of Technology

Haozhong Hu

South China University of Technology

Yi Li

South China University of Technology

Biao Tang

South China Normal University

Jing Xu

Northeast Agricultural University

Cooperative Institutions

South China University of Technology

Chinese Academy of Sciences

Zhejiang University

Shanghai Jiao Tong University

Dalian University of Technology

Shenzhen University

Donghua University

Nanjing University of Posts and Telecommunications

University of Chinese Academy of Sciences

Shanghai University of Engineering Science

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Experimental Investigation of Roll Bond Liquid Cooling Plates for Server Chip Heat Dissipation

SSRN Electronic Journal (2022)

Haozhong Hu Chaomeng Chen Chao Li Minqiang Pan

High-performance data centers have high heat dissipation requirements. In order to solve the problems such as complex structure, high manufacturing cost, and long manufacturing cycle in the technology of server cooling, roll bond liquid cooling plates (RBLCP) for server chip heat dissipation were proposed in this work. A performance test platform for RBLCP was set up. The influence of bending, flow channel shape, flow rate, and heating power on RBLCP performance was investigated via experiences. The results show that bending has little effect on its heat transfer performance. However, with the increase in flow rate, the flow characteristics of the bending plate decrease. The heat transfer performance and flow characteristics of the RBLCP are mainly determined by the bending degree of the flow channel. Compared with Z-RBLCP, N-RBLCP has better comprehensive performance. The heat transfer performance of the RBLCP improves with the increase in flow rate, but the variation is small at a high flow rate. The total temperature uniformity of the cooling plate decreases with the increase of flow rate and heating power, while its local temperature uniformity increases with the increase of flow rate and decreases with the increase of heating power. The coolant flow rate should be increased to ensure the heat source temperature does not exceed the limit temperature. When the heating power is 100W, and the flow rate is 35L/h, N-RBLCP has a minimum thermal resistance R t =0.0613K/W.

Computer cooling

10.2139/ssrn.4148565

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A Structural Difference Design for Thermal Management to Improve the Temperature Uniformity of High Energy Density Lithium-Ion Batteries

SSRN Electronic Journal (2022)

Zhaoliang Chen Jing Xu Chao Li Chaomeng Chen Minqiang Pan

With the development of electric vehicles and energy storage systems, the thermal management of lithium-ion batteries is getting increase prominent. The temperature difference of the battery is a crucial parameter in thermal management. In the liquid cooling scheme, the temperature difference of the battery is often easier to reach the upper limit of the thermal design than its maximum temperature. In this paper, based on the performance difference of the turbulence structure, the structural difference design is adopted to improve the temperature uniformity of high energy density lithium-ion batteries. The effects of discharge rate and flow rate on the heat dissipation performance of the liquid cooling plate were analyzed by experiments. The results reveal that the structure difference design considerably enhances the battery's temperature uniformity and improved when the flow rate increases. The S-3 liquid cooling plate with the structural difference design, embedded with cavity and rib structure has the best comprehensive heat transfer performance. The numerical model of liquid cooling module was established, and the influence of cavity and rib size on heat dissipation performance was analyzed. The results show that the increase in the height and diameter of the cavity is beneficial improving the heat dissipation performance of the liquid cooling plate, while the increase in the height and diameter of the rib will weaken the heat dissipation performance.

Energy density

10.2139/ssrn.4144315

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Ring-shaped microchannel heat exchanger based on turning process

Experimental Thermal and Fluid Science (2010)

Yong Tang Zhanshu He Minqiang Pan Jiabao Wang

Microchannel

Countercurrent exchange

10.1016/j.expthermflusci.2010.06.015

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Citations (13)