【摘要】 本文采用准直光全息干涉法研究了低温(-13℃)建筑砌块与室温下(8℃)空气自然对流的气体温度场分布情况,给出了清晰的全场等温线条纹图,并进行了定量计算,为制冷设备的结构设计和性能研究及低温物体周围气体温度场分布特点的研究,提供了一种有效的实验研究方法.实验光路简单,灵敏度高,可用白光再现获得彩色条纹.更多还原

【Abstract】 In this paper, we studied the air temperature field distribution of a low-temperature building block (—13 ℃) when the room temperature is 8 ℃ in natural convection using holographic interferometry. We have obtained clear isotherm fringe patterns and made quantitative calculation. An effective method of experimental study is proposed for the structure design, the study of refrigerators and the study of the distribution characteristics of low—temperature field. The experiment device is simple, the sensitivity is very high and color fringe patterns is obtained by white light reconstruction.更多还原