Particle Image Thermometry and Velocimetry in Vortex Ring with Thermal Difference
Date Issued
2006
Date
2006
Author(s)
Hwang, I-Jen
DOI
zh-TW
Abstract
Abstract
A technique called particle image thermometry (PIT) is developed that enable to visualize 2-D temperature field using suspending thermochomic liquid crystal traces (TLCs) in water. TLCs reflect different colors with different temperature. PIT can not only visualize qualitative temperature filed but also quantify the temperature value with digital image process. Combing with particle image velocimetry (PIV), this technique can simulate measure temperature and velocity field. In this paper, the technique theory, experimental set-up, calibration and procedure has been described. The study shows the applicability of PIT/V in vortex ring with thermal difference. It demonstrates that PIT/V is a helpful tool for analyzing vortex ring structure with heat transfer.
Subjects
液晶
感溫液晶
熱感液晶
顯像
溫度
速度
渦環
溫度差
PIT
PIV
particle image thermometry
particle image velocitry
thermochromic liquid crystal
vortex ring
thermal
velocity
temperature
Type
thesis
File(s)![Thumbnail Image]()
Loading...
Name
ntu-95-R93543027-1.pdf
Size
23.53 KB
Format
Adobe PDF
Checksum
(MD5):31f885ada3fe6890c2b57e9fbc616ff2