Development of n-heptane/2-butyltetrahydrofuran mechanism based on decoupling approach

Abstract

This study aims to investigate 2-butyltetrahydrofuran (2-BTHF) as a potential alternative to diesel engine fuel. In response to the fact that the chemical kinetic mechanism for the combustion of 2-BTHF blended with diesel has not yet been established, the present study simplified and optimized the mechanism of 2-BTHF and n-heptane by using the direct relationship diagram method and sensitivity analysis and constructed a combined 2-BTHF/n-heptane mechanism based on the decoupling method. The validation of experimental results shows that the combined mechanism can accurately predict the combustion process and agrees well with the experimental data, and thus a reliable 2-BTHF/n-heptane combined mechanism has been successfully established, which provides an effective tool for simulating the combustion of diesel and the mixture of 2-BTHF and diesel with a high degree of accuracy and applicability.