Evaporation of aqueous suspension drops with ground admixtures in the region of high-temperature combustion products

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Abstract

The effect of typical admixtures (clay, sand, soil, and silt) on the integral evaporation characteristics of aqueous suspension drops in high-temperature gases (at nearly 1100 K) has been experimentally studied using optical methods and a high-speed video record system (up to 105 fps). The heating and evaporation of suspension drops was established to appreciably intensify with a change in the relative mass fraction of admixtures within γ = 0–0.1 for sand and γ = 0–0.01 for clay, soil, and silt. An essential effect of the preliminary heating of suspensions on the intensity of their evaporation in a flow of high-temperature gases has also been revealed. Some recommendations have been formulated for selecting evaporation parameters for the studied suspensions in contemporary and advanced high-temperature chemical and thermal engineering technologies for the purification of water from admixtures and in the sphere of fire safety.

Original languageEnglish
Pages (from-to)468-475
Number of pages8
JournalTheoretical Foundations of Chemical Engineering
Volume51
Issue number4
DOIs
Publication statusPublished - 1 Jul 2017

Fingerprint

Suspensions
Evaporation
Silt
Clay
Sand
Gases
Soils
Heating
Temperature
Engineering technology
Purification
Fires
Water
clay

Keywords

  • clay
  • evaporation
  • evaporation intensity
  • ground admixtures
  • high-temperature gases
  • sand
  • silt
  • soil
  • thermal purification
  • water

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

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title = "Evaporation of aqueous suspension drops with ground admixtures in the region of high-temperature combustion products",
abstract = "The effect of typical admixtures (clay, sand, soil, and silt) on the integral evaporation characteristics of aqueous suspension drops in high-temperature gases (at nearly 1100 K) has been experimentally studied using optical methods and a high-speed video record system (up to 105 fps). The heating and evaporation of suspension drops was established to appreciably intensify with a change in the relative mass fraction of admixtures within γ = 0–0.1 for sand and γ = 0–0.01 for clay, soil, and silt. An essential effect of the preliminary heating of suspensions on the intensity of their evaporation in a flow of high-temperature gases has also been revealed. Some recommendations have been formulated for selecting evaporation parameters for the studied suspensions in contemporary and advanced high-temperature chemical and thermal engineering technologies for the purification of water from admixtures and in the sphere of fire safety.",
keywords = "clay, evaporation, evaporation intensity, ground admixtures, high-temperature gases, sand, silt, soil, thermal purification, water",
author = "Vysokomornaya, {O. V.} and Kuznetsov, {G. V.} and Strizhak, {P. A.} and Shcherbinina, {A. A.}",
year = "2017",
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pages = "468--475",
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T1 - Evaporation of aqueous suspension drops with ground admixtures in the region of high-temperature combustion products

AU - Vysokomornaya, O. V.

AU - Kuznetsov, G. V.

AU - Strizhak, P. A.

AU - Shcherbinina, A. A.

PY - 2017/7/1

Y1 - 2017/7/1

N2 - The effect of typical admixtures (clay, sand, soil, and silt) on the integral evaporation characteristics of aqueous suspension drops in high-temperature gases (at nearly 1100 K) has been experimentally studied using optical methods and a high-speed video record system (up to 105 fps). The heating and evaporation of suspension drops was established to appreciably intensify with a change in the relative mass fraction of admixtures within γ = 0–0.1 for sand and γ = 0–0.01 for clay, soil, and silt. An essential effect of the preliminary heating of suspensions on the intensity of their evaporation in a flow of high-temperature gases has also been revealed. Some recommendations have been formulated for selecting evaporation parameters for the studied suspensions in contemporary and advanced high-temperature chemical and thermal engineering technologies for the purification of water from admixtures and in the sphere of fire safety.

AB - The effect of typical admixtures (clay, sand, soil, and silt) on the integral evaporation characteristics of aqueous suspension drops in high-temperature gases (at nearly 1100 K) has been experimentally studied using optical methods and a high-speed video record system (up to 105 fps). The heating and evaporation of suspension drops was established to appreciably intensify with a change in the relative mass fraction of admixtures within γ = 0–0.1 for sand and γ = 0–0.01 for clay, soil, and silt. An essential effect of the preliminary heating of suspensions on the intensity of their evaporation in a flow of high-temperature gases has also been revealed. Some recommendations have been formulated for selecting evaporation parameters for the studied suspensions in contemporary and advanced high-temperature chemical and thermal engineering technologies for the purification of water from admixtures and in the sphere of fire safety.

KW - clay

KW - evaporation

KW - evaporation intensity

KW - ground admixtures

KW - high-temperature gases

KW - sand

KW - silt

KW - soil

KW - thermal purification

KW - water

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U2 - 10.1134/S0040579517040297

DO - 10.1134/S0040579517040297

M3 - Article

VL - 51

SP - 468

EP - 475

JO - Theoretical Foundations of Chemical Engineering

JF - Theoretical Foundations of Chemical Engineering

SN - 0040-5795

IS - 4

ER -