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首页> 外文会议>RIAO/OPTILAS 2004 >Interferometric measurement of temperature profiles inside a transparent solid
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Interferometric measurement of temperature profiles inside a transparent solid

机译：透明固体内部温度分布的干涉测量

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摘要

Electronic speckle pattern interferometry technique (ESPI) was applied to the determination of temperature profiles inside a solid block made of a transparent material. The block is a component of a scaled-model intended to simulate a solar energy storage-collector wall (Trombe wall) and its adjacent room. In order to obtain the speckle correlation fringes, a Mach-Zehnder interferometer was used, in whose object arm the model was put. By means of an electrical heater a constant heat flux is supplied through one of the wall faces, maintaining the opposed face at a constant temperature, until a steady state is reached. The temperature profiles for several intermediate states are determined by measurements on the corresponding speckle correlation fringes. The experimental results are compared with the analytical solutions of the differential equation of heat conduction, with the appropriate initial and boundary conditions.
机译：电子散斑图干涉技术（ESPI）用于确定由透明材料制成的固体块内部的温度曲线。该块是比例模型的一部分，旨在模拟太阳能存储收集器的壁（Trombe壁）及其相邻的房间。为了获得散斑相关条纹，使用了Mach-Zehnder干涉仪，将其放在模型的物镜臂中。借助于电加热器，通过壁面之一提供恒定的热通量，将相对的面保持恒定的温度，直到达到稳定状态。几种中间状态的温度曲线是通过对相应的斑点相关条纹进行测量来确定的。在适当的初始和边界条件下，将实验结果与热导微分方程的解析解进行了比较。

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