技术中心

热电制冷器多通道内空气混合对流及耦合换热【英文篇名】 Mixed convection and conjugate heat transfer in multi air ducts of thermoelectric refrigerators 【作者中文名】 赵福云; 汤广发; 刘娣; 【作者英文名】 By Zhao Fuyun; Tang Guangfa and Liu DiHunan University; Changsha; China; 【作者单位】 湖南大学; 【文献出处】 暖通空调, Hv 多通道; 耦合换热; 【英文关键词】 thermoelectric refrigerator; multi air ducts; conjugate heat transfer; 【摘要】 建立了热电制冷器通风及耦合换热数学和物理模型,模拟计算了不同雷诺数、材料有效导热系数比率、几何参数时各通道的流体流动及温度场分布情况,分析了冷风侧排风、几何参数对通道换热能力的影响,以优化制冷器通风换热风道的设计参数。 【英文摘要】 Establishes the mathematic and physical model of ventilation and conjugate heat transfer of thermoelectric refrigerators. Simulates the fluid flow and temperature field of multi air ducts in different Reynolds numbers, effective conduction coefficient and geometric ratio. Analyses the effect of the exhaust air rate in cold side and geometric ratio on heat transfer of ducts in order to optimize the design parameters of air ducts.