CAS: 112-40-3
MF: C12H26
Appearance: colourless liquid
General Description |
n-Dodecane is a promising surrogate fuel for diesel engine study because its physicochemical properties are similar to those of the practical diesel fuels. |
Properities | n-dodecane is miscible with ethyl alcohol, ethyl ether, acetone, chloroform, and carbon tetrachloride, but it is immiscible with water. It is also hygroscopic and incompatible with strong oxidizing agents. |
Uses | Solvent: Used in organic chemistry as a solvent Distillation chaser: Used as a distillation chaser |
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InChI:InChI=1/C12H26/c1-3-5-7-9-11-12-10-8-6-4-2/h3-12H2,1-2H3
This work presents new fundamental combustion experimental datasets and propose an improved kinetic model for n-dodecane, a widely used surrogate component for jet fuels and diesel. The autoignition of n-dodecane, which was seldom investigated at low temperatures using RCM previously, was studied over low-to-high temperature ranges by combining a heated RCM and ST in the present study.
The current study investigates n-dodecane (n-C12H26) pyrolysis and oxidation kinetics in the temperature regime of 1000–1300 K in the Stanford Variable Pressure Flow Reactor facility. The work extended the experimental database of n-dodecane oxidation over this critical but somewhat neglected temperature region of n-alkane combustion.
These simulations were compared with the recent experiments with n-dodecane as a surrogate for diesel fuels. It can be seen that combustion characteristics such as ignition delay and flame lift-off length were well captured by the skeletal mechanism, particularly under conditions with high ambient temperatures. Simulations also captured the transient flame development phenomenon fairly well.