Integral characteristics of water droplet evaporation in higherature combustion products of typical flammable liquids using SP and IPI methods

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23 Citations (Scopus)

Abstract

This paper examines the evaporation features of water droplets moving through higherature combustion products of typical flammable liquids (on an example of gasoline, kerosene, ethanol, and acetone). Using Shadow Photography and Interferometric Particle Imaging methods contributed to perform the given experimental research. Such approach enabled to establish the integral characteristics of droplet motion (sizes and velocities) and evaporation process (evaporation rate). The initial droplet sizes (radii) and the temperatures of combustion products varied in a wide range: 0.05-4 mm and 400-1900 K, respectively. The choice of these ranges allowed us to summarize the research results, which can be applied in a group of promising higherature (usually more than 1000 K) gas-vapor-droplet technologies (thermal or flame methods of liquid waste treatment; heat carriers based on flue gases, steam, and water droplets; polydisperse firefighting). Conditions of almost the complete and insignificant (with minimum change of liquid mass) droplet evaporation were determined. In addition, the integral characteristics of water droplet evaporation under non-stationary heat transfer (at a temperature of combustion products from 1900 K to 400 K) were compared with the same characteristics under nearly stationary heat transfer (at a temperature of 1100 � 30 K). During short-time heating (less than 0.5 s), values of these parameters correlated well (deviations did not exceed 8-12%).

Original languageEnglish
Pages (from-to)218-234
Number of pages17
JournalInternational Journal of Thermal Sciences
Volume108
DOIs
Publication statusPublished - 1 Oct 2016

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combustion products
Evaporation
evaporation
Liquids
liquids
water
Water
heat transfer
waste treatment
liquid wastes
kerosene
flue gases
gasoline
evaporation rate
photography
steam
acetone
temperature
flames
ethyl alcohol

Keywords

  • Evaporation
  • Higherature combustion products
  • Interferometric Particle Imaging
  • Shadow Photography
  • Spray
  • Water droplet

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Engineering(all)

Cite this

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title = "Integral characteristics of water droplet evaporation in higherature combustion products of typical flammable liquids using SP and IPI methods",
abstract = "This paper examines the evaporation features of water droplets moving through higherature combustion products of typical flammable liquids (on an example of gasoline, kerosene, ethanol, and acetone). Using Shadow Photography and Interferometric Particle Imaging methods contributed to perform the given experimental research. Such approach enabled to establish the integral characteristics of droplet motion (sizes and velocities) and evaporation process (evaporation rate). The initial droplet sizes (radii) and the temperatures of combustion products varied in a wide range: 0.05-4 mm and 400-1900 K, respectively. The choice of these ranges allowed us to summarize the research results, which can be applied in a group of promising higherature (usually more than 1000 K) gas-vapor-droplet technologies (thermal or flame methods of liquid waste treatment; heat carriers based on flue gases, steam, and water droplets; polydisperse firefighting). Conditions of almost the complete and insignificant (with minimum change of liquid mass) droplet evaporation were determined. In addition, the integral characteristics of water droplet evaporation under non-stationary heat transfer (at a temperature of combustion products from 1900 K to 400 K) were compared with the same characteristics under nearly stationary heat transfer (at a temperature of 1100 {\"i}¿½ 30 K). During short-time heating (less than 0.5 s), values of these parameters correlated well (deviations did not exceed 8-12{\%}).",
keywords = "Evaporation, Higherature combustion products, Interferometric Particle Imaging, Shadow Photography, Spray, Water droplet",
author = "Kuznetsov, {G. V.} and Strizhak, {P. A.} and Volkov, {R. S.} and Vysokomornaya, {O. V.}",
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AB - This paper examines the evaporation features of water droplets moving through higherature combustion products of typical flammable liquids (on an example of gasoline, kerosene, ethanol, and acetone). Using Shadow Photography and Interferometric Particle Imaging methods contributed to perform the given experimental research. Such approach enabled to establish the integral characteristics of droplet motion (sizes and velocities) and evaporation process (evaporation rate). The initial droplet sizes (radii) and the temperatures of combustion products varied in a wide range: 0.05-4 mm and 400-1900 K, respectively. The choice of these ranges allowed us to summarize the research results, which can be applied in a group of promising higherature (usually more than 1000 K) gas-vapor-droplet technologies (thermal or flame methods of liquid waste treatment; heat carriers based on flue gases, steam, and water droplets; polydisperse firefighting). Conditions of almost the complete and insignificant (with minimum change of liquid mass) droplet evaporation were determined. In addition, the integral characteristics of water droplet evaporation under non-stationary heat transfer (at a temperature of combustion products from 1900 K to 400 K) were compared with the same characteristics under nearly stationary heat transfer (at a temperature of 1100 � 30 K). During short-time heating (less than 0.5 s), values of these parameters correlated well (deviations did not exceed 8-12%).

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