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An Examination of the Partial Equilibration Hypothesis and Radial Recombination in 1/20 Atm Methane Flames.

Authors
Biordi-JC; Lazzara-CP; Papp-JF
Source
16th Int'l Symp on Combust Mit 1976 :1097-1109
Link
NIOSHTIC No.
10000453
Abstract
Slightly lean ch4-o2-ar flames at 0.042 Atm with and without small amounts of the inhibitor cf3br were probed using molecular beam-mass spectrometric techniques. All the principal radical and stable species concentration profiles and temperature profiles were measured in the primary and part of the secondary zone of these flames. Ratios of product concentrations to reactant concentrations were formed and compared with the equilibrium constant for several reactions to determine to what extent they may be considered balanced in various regions of the flames. Most of these reactions are not completely balanced until the maximum flame temperature is reached. Once they become equilibrated, their balance is maintained as the temperature and radical concentrations fall off in the secondary reaction zone. The radical decay in the secondary reaction zone is analyzed using the concept of pool decay. The important recombination reactions were also judged.
Publication Date
19770101
Document Type
OP;
Fiscal Year
1977
NTIS Accession No.
NTIS Price
Identifying No.
OP 68-77
NIOSH Division
PRC;
Source Name
16th Int'l. Symp. on Combust., Mit, 1976, Pub. by Combust. Inst., Pgh., Pennsylvania, 1977, Pp 1097-1109
State
PA;
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