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首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >The basics and issues of Thermochromic Liquid Crystal Calibrations
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The basics and issues of Thermochromic Liquid Crystal Calibrations

机译：热致变色液晶校准的基本知识和问题

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摘要

Thermochromic Liquid Crystals (TLCs) have been widely used by researchers in heat transfer and fluid flow communities as a thermal imaging tool for mapping surface and spatial temperature distributions. In order to utilize TLCs for quantitative temperature measurements, calibration is first necessary to determine the colour-temperature relationship of TLCs. This paper is aimed to provide novice and intermediate users of TLCs with a review on the basics and issues pertaining to calibrations of TLCs, particularly for surface thermography. A general overview of TLCs, the basic elements of a TLC calibration rig, and the common calibration methods of TLCs are described. The crucial issues associated with calibrations of TLCs, namely, imaging, colourimetry, illumination, hysteresis, film thickness and aging, and the methods used to compensate for these effects are discussed. This paper is intended to provide useful information to novice and intermediate users of TLCs, particularly on TLC calibrations.
机译：研究人员已将热变色液晶（TLC）广泛用作热传递和流体流动领域的热成像工具，以绘制表面和空间温度分布图。为了利用TLC进行定量温度测量，首先需要进行校准以确定TLC的色温关系。本文旨在为TLC的新手和中级用户提供有关TLC校准（特别是表面热成像）校准的基础知识和问题的综述。描述了TLC的一般概述，TLC校准装置的基本元素以及TLC的常见校准方法。讨论了与TLC校准相关的关键问题，即成像，比色，照明，磁滞，膜厚和老化，以及用于补偿这些影响的方法。本文旨在为TLC的新手和中级用户提供有用的信息，尤其是有关TLC校准的信息。

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