Investigation of the Effects of Steam Injection on Equilibrium Products and Thermodynamic Properties of Diesel and Biodiesel Fuels

Author:

Gram Shou Jean Paul1ORCID,Obounou Marcel1,Kofané Timoléon Crépin2,Hassane Babikir Mahamat1

Affiliation:

1. Laboratory of Energy and Electronics and Electrical Systems, Department of Physics, Faculty of Science, University of Yaoundé I, Yaoundé, P.O. Box: 812, Cameroon

2. Laboratory of Mechanics, Materials and Structures, Department of Physics, Faculty of Science, University of Yaoundé I, Yaoundé, P.O. Box: 812, Cameroon

Abstract

The effects of steam injection on combustion products and thermodynamic properties of diesel fuel, soybean oil-based biodiesel (NBD), and waste cooking oil biodiesel (WCOB) are examined in this study by considering the chemical equilibrium. The model gives equilibrium mole fractions, specific heat of the exhaust mixtures of 10 combustion products, and adiabatic flame temperatures. The results show that the mole fractions of carbon monoxide (CO) and carbon dioxide (CO2) decrease with the steam injection ratios. Nitric oxide (NO) mole fractions decrease with the steam injections ratios for lean mixtures. The specific heat of combustion products increases with the steam injection ratios. The equilibrium combustion products obtained can be used to calculate the nonequilibrium values of NO in the exhaust gases using some existing correlations of NO kinetics.

Publisher

Hindawi Limited

Subject

Energy Engineering and Power Technology,Condensed Matter Physics,Fuel Technology,General Chemical Engineering

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