Soot particle size distribution in a turbulent non-premixed ethylene-nitrogen flame

W. R. Boyette; S.  Chowdhury; William L. Roberts

doi:10.1615/ICHMT.2015.THMT-15.1020

THMT-15. Proceedings of the Eighth International Symposium On Turbulence Heat and Mass Transfer

September, 15-18, 2015, Sarajevo, Bosnia and Herzegovina

DOI: 10.1615/ICHMT.2015.THMT-15

ISBN Print: 978-1-56700-427-4

ISBN CD: 978-1-56700-428-8

Soot particle size distribution in a turbulent non-premixed ethylene-nitrogen flame

pages 487-490

DOI: 10.1615/ICHMT.2015.THMT-15.1020

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W. R. Boyette
Department of Mechanical Engineering, KAUST, Clean Combustion Research Center, Thuwal, Saudi Arabia

S. Chowdhury
Department of Mechanical Engineering, KAUST, Clean Combustion Research Center, Thuwal, Saudi Arabia

William L. Roberts
Mechanical Engineering, KAUST Clean Combustion Center, King Abdullah University of Science and Technology, Thuwal 23955, Kingdom of Saudi Arabia

要約

A scanning mobility particle sizer with a nano differential mobility analyzer was used to measure soot particle concentrations in a turbulent non-premixed flame. The burner utilizes a premixed pilot flame which anchors a C₂H₄/N₂ (35/65) central jet with Re_D = 20,000. A parametric study of the dilution ratio in the sampling line indicates that soot particle coagulation can be eliminated using a two-stage dilution process. Soot particle concentration PDFs along the flame centerline are presented.

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