Research Article

Experimental Investigation of Combustion Kinetics of Wood Powder and Pellet

Table 3

Commonly used mechanism functions [22, 23].

G (α)MechanismExpressionsR2

G1 (α)Power law, n=[1/4 1/3 1/2 3/2 2]0.9801

G2 (α)Two-dimensional diffusion0.9817

G3 (α)Three-dimensional diffusion, n=[1/2, 2]0.9833

G4 (α)Ginstling-Brounshtein equation0.9823

G5 (α)Avrami-Erofeev, n=[1/4, 1/3, 2/5, 1/2, 2/3, 3/4, 1, 3/2, 2, 3, 4]0.9847

G6 (α)Chemical reaction, n≠10.9934

G7 (α)Phase boundary controlled reaction, n=[1/4, 1/3, 1/2, 2, 3, 4]0.9837

G8 (α)Chemical reaction, n=[-2, -1, -1/2]0.9992

G9 (α)Index law, n=[1, 2]0.9954

G10 (α)Jander equation, n=[1/2, 2]0.9825

G11 (α)Anti-Jander equation0.9781

G12 (α)Zhuravlev equation0.9859

G13 (α)P-T equation0.9984

G14 (α)Three-dimensional diffusion0.9833

G15 (α)Two-dimensional diffusion0.9825

G16 (α)Chemical reaction (second order)0.9882

G17 (α)Nucleation and growth0.9847

G18 (α)Power law0.9801