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目前，对于太阳能集热器的数值模拟大多是基于一维、非稳态的简化模型之上。该文采用三维数学及物理模型对插管提热系统的流动与换热情况进行了数值模拟。并对模拟结果进行了实验验证。“,”A study on heat transfer and air flow in a tube of a ll-glassevacuated solar air heater was presented.The three-dimension physical a nd mathematical models have been used.The computational results are in good agre ement with the experimental ones.