scholarly journals Homogenous Nucleation Theory for Soot Formation

1989 ◽  
Vol 32 (2) ◽  
pp. 273-280 ◽  
Author(s):  
Yoshinobu YOSHIHARA ◽  
Makoto IKEGAMI
Keyword(s):  
Soot Formation ◽  
Nucleation Theory ◽  
Homogenous Nucleation

A Kinetic Model of Alumina Inclusion Nucleation in Molten Steel

2012 ◽  
Vol 476-478 ◽  
pp. 1275-1280
Author(s):  
Shao Bo Zheng ◽  
Cun Bo Yang ◽  
Dan Zhao ◽  
Hui Gai Li
Keyword(s):  
Molten Steel ◽  
Nucleation Theory ◽  
Basic Unit ◽  
Nucleation Process ◽  
Actual Situation ◽  
Kutta Method ◽  
Nucleation Stage ◽  
Alumina Inclusion ◽  
Runge Kutta Method ◽  
Homogenous Nucleation

A computational model which is based on the classical homogenous nucleation theory was developed to analyse the alumina inclusion-nucleation process in molten steel in this paper. The idea, 'pseudomolecules', proposed by Lifeng Zhang[1,2], was cited as the basic unit of the physical process of nucleation. However, the nucleation stage was evolved to be controlled by the diffusion of pseudomolecules groups than single pseudomolecule, which is much closer to the actual situation. The differential equations of different pseudomolecules size distribution were given and calculated by computer programs using Runge-Kutta method. Some key parameters, such as supersaturation, nucleation rate, and inclusion population were calculated and compared with some others' conclusion.

COMPUTATION OF A LAMINAR DIFFUSION ETHYLENE/AIR FLAME CONSIDERING SOOT FORMATION AND THE WEIGHTED-SUM-OF-GRAY-GASES MODEL

2018 ◽  
Author(s):  
Luís Gustavo Pires Rodrigues ◽  
Francis França ◽  
Fernando Pereira ◽  
PAULO PAGOT
Keyword(s):  
Soot Formation ◽  
Weighted Sum ◽  
Laminar Diffusion
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