With increasing pollution
concerns and stringent emission regulations,
it has become difficult to meet the emission standards with the use
of a single fuel. Binary and ternary fuel mixtures are being investigated
all over the globe to satisfy the emission norms. In the present work,
a reduced reaction mechanism for a waste cooking oil (WCO) biodiesel/n-pentanol mixture is proposed for the chemical kinetic
simulation of an internal combustion engine. The mechanism consists
of 146 species and 506 reactions. WCO biodiesel and n-pentanol are biofuels with many advantages. WCO biodiesel has properties
(cetane number, viscosity, etc.) that are similar to those of diesel
fuel, whereas n-pentanol has a high boiling temperature,
low heat of vaporization, high lower heating value, and low autoignition
temperature compared to other shorter chain alcohols. Mixing of higher
molecular weight alcohols (n-pentanol) with diesel/biodiesel
lowers the knock resistance as a result of their high reactivity at
low as well as high temperatures. This characteristic makes them suitable
for a diesel engine and advanced engine combustion modes, such as
homogeneous charge compression ignition and reactivity controlled compression
ignition engines.
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