Page 108 - Biomass Gasification, Pyrolysis And Torrefaction Practical Design and Theory
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86 Biomass Gasification, Pyrolysis and Torrefaction
A p porosity of biomass ( )
2
4
σ Steven Boltzmann’s constant (5.67 3 10 8 W/m K )
θ temperature ( C)
Subscripts
ad, ar, db subscripts representing air dry, as-received basis, and dry basis
daf dry ash-free basis
td total-dry basis
i ith component
m mixture
