摘要
采用直流电源加热毛细管中心线的方法,研究了毛细管直径尺寸和位置倾角对毛细管中液氮临界热流密度(CHF)的影响.实验结果表明毛细管的直径尺寸和位置倾角对CHF有很大的影响,并可推断临界热流密度并非随管径增大单调增大,而是在某一最佳管径处存在一峰值.
By using the direct current to heat the capillary tubes,the critical heat fluxes （CHFs） in capillary tubes influenced by different diameter sizes and inclination angles are investigated.It is found that the diameter sizes and the inclination angles of the capillary tubes have important effects on the critical heat fluxes.The experimental results indicate that the critical heat fluxes do not increase with the larger diameter,but there will be a best place of the diameter,where the highest CHF can be achieved.
出处
《甘肃科学学报》
2010年第2期49-52,共4页
Journal of Gansu Sciences
关键词
毛细管
液氮
临界热流密度
倾角
capillary tube
liquid nitrogen
CHF（critical heat fluxes）
inclination angle
