CAJ | 학술논문

　　对涡流管制冷本质并进行相关的试验研究，进行理论分析，以及对四流道喷嘴涡流管的速度和温度分布进行数值模拟，结果表明：涡流管内实际流场由轴向，径向和漩涡运动组成，其流动形态在轴向上为阿基米德螺线，在横截面上为强制涡-自由涡的模型；管内流体能量的分离主要发生在涡流室区域附近，且气体从喷嘴出来后有少量直接进入冷端孔与冷气流混合，从而影响涡流管制冷效率。
　　대와류관제랭본질병진행상관적시험연구，진행이론분석，이급대사류도분취와류관적속도화온도분포진행수치모의，결과표명：와류관내실제류장유축향，경향화선와운동조성，기류동형태재축향상위아기미덕라선，재횡절면상위강제와-자유와적모형；관내류체능량적분리주요발생재와류실구역부근，차기체종분취출래후유소량직접진입랭단공여랭기류혼합，종이영향와류관제랭효솔。
Analysis of the theories aboat the vortex tube refrigeration and the flow model .And numerical simulation of velocity and temperature distributions within a vortex tube with four channels .The results show that the actual flow field within the vortex tube is composed of axial , radial and swirl movement .Flow pattern in the axial direction is as the Archimedes Spiral .The cross section is the forced-free vortex model .Separation of fluid energy in tube occurs mainly in the vicinity of the vortex chamber are -a.And a small amount of gas from the nozzle directly flow into cold-end mixed with the cold air.Thus affecting the rate of rerig-erator of the vortex tube cold .