Laser-induced incandescence in microgravity

Randy Lee Vander Wal

Laser-induced incandescence in microgravity

Research output: Contribution to journal › Article › peer-review

Abstract

The elimination of buoyancy-induced convection in microgravity combustion processes, both flame shape and f_v was different as compared to the same fuel/burner system in normal gravity. The sensitivity, temporal and spatial capabilities in addition to geometric versatility enabled laser-induced incandescence (LII) reveal the soot volume fraction regardless of these differences. Application of LII to laminar gas-jet flame of ethane illustrated the sensitivity of LII while application to turbulent diffusion flame of acetylene and vortex formed by a transient gas-jet diffusion flame of propane demonstrated the high temporal and spatial capabilities of LII for f_v determination.

Original language	English (US)
Pages (from-to)	305-310
Number of pages	6
Journal	NASA Conference Publication
Issue number	10194
State	Published - 1997

All Science Journal Classification (ASJC) codes

Aerospace Engineering

Cite this

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title = "Laser-induced incandescence in microgravity",

abstract = "The elimination of buoyancy-induced convection in microgravity combustion processes, both flame shape and fv was different as compared to the same fuel/burner system in normal gravity. The sensitivity, temporal and spatial capabilities in addition to geometric versatility enabled laser-induced incandescence (LII) reveal the soot volume fraction regardless of these differences. Application of LII to laminar gas-jet flame of ethane illustrated the sensitivity of LII while application to turbulent diffusion flame of acetylene and vortex formed by a transient gas-jet diffusion flame of propane demonstrated the high temporal and spatial capabilities of LII for fv determination.",

author = "{Vander Wal}, {Randy Lee}",

year = "1997",

language = "English (US)",

pages = "305--310",

journal = "NASA Conference Publication",

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AB - The elimination of buoyancy-induced convection in microgravity combustion processes, both flame shape and fv was different as compared to the same fuel/burner system in normal gravity. The sensitivity, temporal and spatial capabilities in addition to geometric versatility enabled laser-induced incandescence (LII) reveal the soot volume fraction regardless of these differences. Application of LII to laminar gas-jet flame of ethane illustrated the sensitivity of LII while application to turbulent diffusion flame of acetylene and vortex formed by a transient gas-jet diffusion flame of propane demonstrated the high temporal and spatial capabilities of LII for fv determination.

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JO - NASA Conference Publication

JF - NASA Conference Publication

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Laser-induced incandescence in microgravity

Abstract

All Science Journal Classification (ASJC) codes

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