An Experimental and Numerical Study of N-Dodecane/Butanol Blends for Compression Ignition Engines

Anil Bhaurao Wakale, Samah Mohamed, Nimal Naser, Mohammed Jaasim, Raja Banerjee, Hong G. Im, Mani Sarathy

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

Alcohols are potential blending agents for diesel that can be effectively used in compression ignition engines. This work investigates the use of n-butanol as a blending component for diesel fuel using experiments and simulations. Dodecane was selected as a surrogate for diesel fuel and various concentrations of n-butanol were added to study ignition characteristics. Ignition delay times for different n-butanol/dodecane blends were measured using the ignition quality tester at KAUST (KR-IQT). The experiments were conducted at pressure of 21 and 18 bar, temperature ranging from 703-843 K and global equivalence ratio of 0.85. A skeletal mechanism for n-dodecane and n-butanol blends with 203 species was developed for numerical simulations. The mechanism was developed by combining n-dodecane skeletal mechanism containing 106 species and a detailed mechanism for all the butanol isomers. The new mixture mechanism was validated for various pressure, temperature and equivalence ratio using a 0-D homogeneous reactor model from CHEMKIN for pure base fuels (n-dodecane and butanol). Computational fluid dynamics (CFD) code, CONVERGE was used to further validate the new mechanism. The new mechanism was able to reproduce the experimental results from IQT at different pressure and temperature conditions.
Original languageEnglish (US)
Title of host publicationSAE Technical Paper Series
PublisherSAE International
DOIs
StatePublished - Apr 3 2018

Fingerprint

Dive into the research topics of 'An Experimental and Numerical Study of N-Dodecane/Butanol Blends for Compression Ignition Engines'. Together they form a unique fingerprint.

Cite this