化学工程2025，Vol.53Issue(5)：25-30,6.DOI:10.3969/j.issn.1005-9954.2025.05.005
氧化石墨烯旋转热管传热性能
Heat transfer performance of graphene oxide rotary heat pipe
摘要
Abstract
The effects of heating power,liquid filling rate,rotational speed and GO mass fraction on the heat transfer performance of rotating heat pipes were experimentally investigated.The filling rates were selected as 5％,15％,20％,25％,and the GO mass fraction was selected as 0.5％,0.2％,0.1％,0.05％,0.03％.The experimental results show that the filling rate has a significant effect on the thermal resistance,which needs to be controlled in a suitable range to achieve the best heat transfer effect.5％filling rate has a faster start-up of the heat pipe,but the heat pipe fails when the heating power is 30 W.10％ filling rate has the lowest thermal resistance,and 25％ filling rate has the highest thermal resistance.The rotary heat pipe with the addition of GO nanofluid significantly improves heat transfer performance compared with the pure water heat pipe at high heating power.The thermal resistance of the heat pipe with GO mass fraction of 0.5％ has the highest sensitivity to the power change,and when the heating power is 25 W,the thermal resistance of the heat pipe is reduced by 54.04％,25.99％,40.19％ compared with that of the pure water heat pipe at three filling rates of 5％,10％,15％,respectively.Meanwhile,it is found that increasing the rotational speed within a certain range can enhance the condensate reflux and reduce the thickness of the liquid film,thus reducing the overall thermal resistance of the heat pipe.The reduction is the greatest when the liquid filling rate is 10％ and the GO mass fraction is 0.05％,and the thermal resistance is reduced by 39.76％ when the rotational speed is increased from 300 r/min to 1 200 r/min.关键词
氧化石墨烯/旋转热管/充液率/氧化石墨烯质量分数/热阻Key words
graphene oxide/rotating heat pipe/liquid filling rate/graphene oxide mass fraction/thermal resistance分类
能源科技引用本文复制引用
金志浩,牟嘉辉,陈艺帆..氧化石墨烯旋转热管传热性能[J].化学工程,2025,53(5):25-30,6.基金项目
国家自然科学基金委新疆联合基金资助项目(U190310) （U190310）
