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

Результат исследований: Материалы для журналаСтатья

Аннотация

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%.

Язык оригиналаАнглийский
Номер статьи107439
ЖурналMeasurement: Journal of the International Measurement Confederation
Том153
DOI
СостояниеОпубликовано - 1 мар 2020

ASJC Scopus subject areas

  • Instrumentation
  • Electrical and Electronic Engineering

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