First visualization of temperature fields in liquids at high pressure using thermochromic liquid crystals

被引：36
|
作者：
Pehl, M [1 ]
Werner, F [1 ]
Delgado, A [1 ]
机构：
[1] Tech Univ Munich, Lehrstuhl Fluidmech & Prozessautomat, D-85350 Freising, Germany
来源：
EXPERIMENTS IN FLUIDS | 2000年 / 29卷 / 03期
关键词：
High Pressure; Calibration Curve; Liquid Crystal; Temperature Field; Wide Temperature Range;
D O I：
10.1007/s003480000111
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A first application of encapsulated thermochromic liquid crystals (TLCs) for visualizing temperature fields in pressurized liquids was studied experimentally. By means of a tempered high-pressure optical cell, investigations were performed in a wide temperature range and at pressures up to 7000 bar. The measured calibration curves of isochromes in the pressure/temperature domain as well as photographically documented temperature fields at high pressure are presented and discussed. The results found illustrate that TLCs provide an efficient instrument for investigating thermofluiddynamical processes even at high pressure.
引用
收藏
页码：302 / 304
页数：3
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