Using Planar Laser Induced Fluorescence to determine temperature fields of drops, films, and aerosols

Research output: Contribution to journalArticle

Abstract

By using thermocouples and Planar Laser-Induced Fluorescence (PLIF) method, the temperature fields of droplets, films, and aerosols of water have been measured at different heating schemes. Among them were the droplet immersion into a high-temperature gaseous area with the help of holders, lowering of the droplets on a heated substrate as well as their heating at free fall through air. The environment temperature varied from 20 °C to 800 °C. The Rhodamine B dye has been applied as a fluorophore. The effect of the bubbles nucleation in a droplet and the position of a light sheet on the PLIF measurements has been found out. The study described conditions for the emergence of “dead zones” in the temperature field, in which temperature was not able to be measured. At a fluorophore concentration of less than 2000 μg/l, a difference between luminosities of droplets, films, and aerosols did not exceed 3%.

Original languageEnglish
Article number107439
JournalMeasurement: Journal of the International Measurement Confederation
Volume153
DOIs
Publication statusPublished - 1 Mar 2020

Fingerprint

Laser-induced Fluorescence
Aerosol
heat pump
Temperature Field
Droplet
laser induced fluorescence
Aerosols
aerosols
Temperature distribution
temperature distribution
Fluorescence
study conditions
free fall
heating
Lasers
thermocouples
holders
rhodamine
Fluorophores
submerging

Keywords

  • Aerosol
  • Droplet
  • Film
  • Planar Laser Induced Fluorescence
  • Temperature field
  • Temperature pattern

ASJC Scopus subject areas

  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

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abstract = "By using thermocouples and Planar Laser-Induced Fluorescence (PLIF) method, the temperature fields of droplets, films, and aerosols of water have been measured at different heating schemes. Among them were the droplet immersion into a high-temperature gaseous area with the help of holders, lowering of the droplets on a heated substrate as well as their heating at free fall through air. The environment temperature varied from 20 °C to 800 °C. The Rhodamine B dye has been applied as a fluorophore. The effect of the bubbles nucleation in a droplet and the position of a light sheet on the PLIF measurements has been found out. The study described conditions for the emergence of “dead zones” in the temperature field, in which temperature was not able to be measured. At a fluorophore concentration of less than 2000 μg/l, a difference between luminosities of droplets, films, and aerosols did not exceed 3{\%}.",
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N2 - By using thermocouples and Planar Laser-Induced Fluorescence (PLIF) method, the temperature fields of droplets, films, and aerosols of water have been measured at different heating schemes. Among them were the droplet immersion into a high-temperature gaseous area with the help of holders, lowering of the droplets on a heated substrate as well as their heating at free fall through air. The environment temperature varied from 20 °C to 800 °C. The Rhodamine B dye has been applied as a fluorophore. The effect of the bubbles nucleation in a droplet and the position of a light sheet on the PLIF measurements has been found out. The study described conditions for the emergence of “dead zones” in the temperature field, in which temperature was not able to be measured. At a fluorophore concentration of less than 2000 μg/l, a difference between luminosities of droplets, films, and aerosols did not exceed 3%.

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