Influence of lubricating oil on spray cooling system based on refrigerant cycle

Xu Hongbo; Li Jianguo; Si Chunqiang; Shao Shuangquan; Tian Changqing

doi:10.3788/HPLPB20132510.2551

Volume 25 Issue 10

Sep. 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(10): 2551-2555

Wu Wuming, Wu Huiyun, Wu Yi, et al. Analysis of atmosphere turbulence optical parameter[J]. High Power Laser and Particle Beams, 2012, 24: 2022-2026. doi: 10.3788/HPLPB20122409.2022

Citation:

Xu Hongbo, Li Jianguo, Si Chunqiang, et al. Influence of lubricating oil on spray cooling system based on refrigerant cycle[J]. High Power Laser and Particle Beams, 2013, 25: 2551-2555. doi: 10.3788/HPLPB20132510.2551

Wu Wuming, Wu Huiyun, Wu Yi, et al. Analysis of atmosphere turbulence optical parameter[J]. High Power Laser and Particle Beams, 2012, 24: 2022-2026. doi: 10.3788/HPLPB20122409.2022

Citation:

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Influence of lubricating oil on spray cooling system based on refrigerant cycle

doi: 10.3788/HPLPB20132510.2551

1.
Technical Institute of Physics and Chemistry,Chinese Academy of Sciences,Beijing 100190,China;
2.
Internal Trade Engineering and Research Institute,Beijing 100069,China

Received Date: 2013-02-28
Rev Recd Date: 2013-07-03
Publish Date: 2013-09-22

Abstract

Abstract

For heat dissipation of the high power solid state laser (HPSSL), a spray cooling system based on refrigerant cycle was designed, and its heat transfer performance was studied. Because the compressor in the refrigerant system needs lubricating, it is inevitable to mix the lubricating oil in the coolant. Lubricating oil has influence on the viscosity, surface tension of the coolant, and may produce oil film, which could strengthen or inhibit the heat transfer process of the coolant. We analyzed the influence of lubricating oil on spray cooling heat transfer performance. The experimental results show that lubricating oil increases the resistance of coolant passing through the nozzle and decreases the coolant flowrate, but as to this system, this influence could be neglected. Lubricating oil enhances the heat transfer performance of coolant, and benefits uniform distribution of the heat source temperature at low heat flux. Lubricating oil also enhances the critical heat flux and heat dissipation ability of the system, making this spray cooling system more beneficial to HPSSL heat dissipation.
- lubricating oil,
- refrigerant cycle,
- spray cooling,
- solid-state laser

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