Dodecane combustion. 039, 0. The simulation results Jul 15, 2018 · Abstract n-Dodecane combustion was investigated experimentally and numerically in present study. 197 and 1 atm, temperatures from 750 to 1430 K were studied in a flow reactor. The hybrid mechanism is composed of a fuel-independent core submechanism including C0-C4 chemistry (Aramco Mech 2. Its jet combustion characteristics under supercritical condition were studied by using large eddy simulation and detailed chemical reaction kinetics. The effects of gas state equations on jet morphology, penetration, temperature, and mixing fraction were also investigated. Pyrolysis experiments of n-dodecane at pressures of 0. The high Lewis number of the flames acts to suppress wrinkling of the flame resulting in considerably lower turbulent flame Dec 11, 2024 · The combustion kinetics of n-dodecane at temperatures above the critical point condition is the focus of attention in the aerospace field. 60 °C. Advanced laser absorption diagnostics were employed to measure the oxidation of key species, including n-dodecane, CO, and H2O, across a wide range of temperatures. The advancement of computational combustion modelling has been driven by the rise of open-source frameworks and detailed chemical-kinetic mechanisms. It is intended for researchers, scientists, and professionals in the fields of combustion science, chemical kinetics, and related areas of drug development where understanding Jul 9, 2011 · Symbols used in this document: Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions C p,liquid Constant pressure heat capacity of liquid S° liquid Entropy of liquid at standard conditions Δ c H° liquid Feb 1, 2026 · Therefore, studying ammonia/n-dodecane combustion under swirl combustor conditions is of significant theoretical and engineering value for understanding the combustion performance and emission reduction potential of ammonia-blended fuels in practical conditions. . yaml ). A reduced chemical mechanism for n-dodecane combustion has been calibrated following the methodology presented in [1]. In the present study, a skeletal mechanism for n-dodecane with 105 species and 420 reactions was developed for spray combustion simulations. We observe extensive thickening of thermal profiles through the flames that increases with turbulent intensity. It is commonly used in fuels and similar applications to white spirit. Its combustion characteristics yield 7901. 0) [2] and a small fuel-dependent submechanism containing three species and eleven reactions. In this paper, the first-principles molecular dynamics method is used to study the high-temperature oxidation of C 12 H 26. [22] will be used, which is a 54 species, 269 reaction mechanism, allowing for the combustion of n Jan 3, 2025 · This study investigates the combustion characteristics of n-dodecane under pure oxygen conditions, a critical scenario for rocket propulsion systems. 3 days ago · 2. The model integrates full thermodynamic, kinematic Summary The n-dodecane was selected as an alternative fuel of aviation kerosene in this study. 0 °C and a freezing point of -9. Mar 4, 2014 · Abstract n-Dodecane is a promising surrogate fuel for diesel engine study because its physicochemical properties are similar to those of the practical diesel fuels. Feb 1, 2020 · The combustion chemistry of n-dodecane has been a focus of interest in the past decades, and there have been extensive researches focusing on experimental characterization and kinetic modeling of this fuel. Mole fractions of n-dodecane, argon and pyrolysis products (including active radicals) were evaluated. The experimental data were used to refine chemical kinetic models by optimizing Dec 1, 2025 · As an important alternative fuel component for aviation kerosene, the soot formation mechanism of n-dodecane in multi-jet premixed flames is significa… Sep 1, 2013 · Using a heated shock tube and an intensified spectroscopic detector CCD, transient emission spectra of n-dodecane in the combustion reaction were measured in the range of 200~900 nm. Combustion modeling The skeletal mechanism of Yao et al. May 17, 2015 · To model the combustion of n-dodecane within this paper the skeletal mechanism of Yao et al. This study develops a Cantera-based internal combustion engine simulation for n-dodecane—a surrogate for diesel and jet fuels—using a detailed reaction mechanism ( nDodecane_Reitz. Turbulent lean premixed n-dodecane/air flames are simulated in a doubly-periodic domain using detailed kinetics and transport over a range of Karlovitz number. Dodecane (also known as dihexyl, bihexyl, adakane 12, or duodecane) is an oily liquid n - alkane hydrocarbon with the chemical formula C 12 H 26 (which has 355 isomers). 0066, 0. Experiments Mar 1, 2022 · To mitigate the exhaust effect on the environment and reduce the dependency on fossil fuels, it is a better idea to utilize zero-carbon fuel, H 2, with hydrocarbon fuels. Dodecane is defined as an aliphatic hydrocarbon with the molecular formula C12H26, characterized by its colorless state and gasoline-like odor, having a boiling point of 216. Dodecane serves as a crucial component in jet fuel surrogates, nuclear reprocessing diluents, and industrial solvents. 1. [26] was used containing 54 species and 269 steps reaction, and the mechanism was applicable to the reaction of n-dodecane under high pressure, which have been widely applied in the numerical calculation of the methane/n-dodecane combustion reaction [21], [22], [25]. 74 kJ·mol⁻¹ enthalpy change, generating carbon dioxide and water upon complete oxidation. A numerical approach was executed to elucidate the combustion and emission characteristics of n-dodecane under hydrogen enrichment. The fuel-dependent reactions describe both the low and high This technical guide provides a comprehensive overview of the n-dodecane combustion reaction mechanism, focusing on the core chemical pathways, experimental methodologies used for its study, and key quantitative data. zha hgn obs ezf jeh nnc ayl vem ucb nsx xhy xcv qpe vlk qlf