VELOCITY AND TEMPERATURE FIELDS MEASUREMENT OF NATURAL CONVECTION FLOW USING THERMOCHROMIC LIQUID CRYSTALS

机译：用热致色液体晶体测量自然对流的速度和温度场

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Based on a particular property of some liquid crystal to reflect a specific wavelength for a specific temperature, Particle Image Velocimetry and Thermometry (PIVT) is a method allowing to measure simultaneously velocity and temperature fields. In a first part, this study discusses PIVT calibration methods and especially the effect of liquid crystal particle deposition on hue and intensity response. An experimental set-up is designed and the results confirm the high variations of intensity response with time and the need to use a simple relationship between hue and temperature. In a second place, these results are used to apply PIVT to an unsteady natural convection flow in a cavity containing an internal heat source.

机译：基于某些液晶在特定温度下反射特定波长的特定属性，粒子图像测速和测温（PIVT）是一种允许同时测量速度场和温度场的方法。在第一部分中，本研究讨论了PIVT校准方法，尤其是液晶颗粒沉积对色相和强度响应的影响。设计了一个实验装置，结果证实了强度响应随时间变化很大，并且需要在色相和温度之间使用简单的关系。第二，将这些结果用于将PIVT应用于包含内部热源的空腔中的不稳定自然对流。

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《American Society of Mechanical Engineers(ASME) Summer Heat Transfer Conference(HT2005) vol.2; 20050717-22; San Francisco,CA(UA)》|2005年|P.723-730|共8页
会议地点 San FranciscoCA(UA)
作者
Valerie Menard; Adel Stitou; Stephane Le Masson; David Noertershaeuser; Pierre Millan;
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ONERA BP 4025 - 31055 Toulouse Cedex 4 France;

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原文格式 PDF
正文语种 eng
中图分类热力工程理论;
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1. On the application of a supercontinuum white light laser for simultaneous measurements of temperature and velocity fields using thermochromic liquid crystals [J] . Koenig Joerg, Moller Sebastian, Granzow Nicolai, Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics . 2019,第期

机译：超连续素白光激光器在使用热致铬液晶的同时测量温度和速度场的应用
2. Measurements of velocity and temperature fields in natural convective flows [J] . Park Hanwook, Park Jungsoo, Jung Sung Yong International Journal of Heat and Mass Transfer . 2019,第AUGa期

机译：自然对流中速度和温度场的测量
3. Measurements of velocity and temperature fields in natural convective flows [J] . Park Hanwook, Park Jungsoo, Jung Sung Yong International Journal of Heat and Mass Transfer . 2019,第Auga期

机译：自然对流流程中速度和温度场的测量
4. VELOCITY AND TEMPERATURE FIELDS MEASUREMENT OF NATURAL CONVECTION FLOW USING THERMOCHROMIC LIQUID CRYSTALS [C] . Valerie Menard, Adel Stitou, Stephane Le Masson, ASME Heat Transfer Conference . 2005

机译：使用热致变色液晶测量自然对流流的速度和温度场
5. Measuring the temperature of stationary fluid in a microchannel using thermochromic liquid crystals. [D] . Basson, Meir. 2010

机译：使用热致变色液晶测量微通道中固定流体的温度。
6. Liquid-Crystal-Filled Side-hole Fiber for High-Sensitivity Temperature and Electric Field Measurement [O] . Yijian Huang, Ying Wang, Chun Mao, 2019

机译：液晶填充侧孔光纤用于高灵敏度温度和电场测量
7. Natural Convection in an Inclined Concentric Cylindrical Annulus. Visualization Measurements of Velocity and Temperature Fields by Thermo-Sensitive Liquid Crystal. [O] . Mamoru SENDA, Kazuki ICHIKAWA, Shinji NAKAGAWA, 1998

机译：倾斜同心圆柱环中的自然对流。通过热敏液晶可视化测量速度和温度场。
8. LDA Measurements of Axial Velocities for Forced, Natural, and Combined Convection Flows in Heated Rod Bundles [R] . Bates, J. M. 1982

机译：LDa测量加热棒束中受迫，自然和组合对流的轴向速度

VELOCITY AND TEMPERATURE FIELDS MEASUREMENT OF NATURAL CONVECTION FLOW USING THERMOCHROMIC LIQUID CRYSTALS

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