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Analysis of Exhaust Gas Content for Selected Biofuel-Powered Combustion Engines with Simultaneous Modification of
Marietta Markiewicz1, Michał Pająk2, Łukasz Muślewski1
1Faculty of Mechanical Engineering, Bydgoszcz University of Science and Technology, Alley of Professor S. Kaliskiego 7, 85-796 Bydgoszcz, Poland.
Adding 30% fatty acid methyl ester biofuel to diesel fuel in self-ignition engines negatively impacts engine performance. This research highlights challenges in renewable energy adoption for vehicles.
Area of Science:
- Automotive Engineering
- Renewable Energy Technologies
- Environmental Science
Background:
- European Union faces high demand for renewable energy in self-ignition engines, outpacing production infrastructure development.
- Biofuel application in vehicles aims to reduce greenhouse gas emissions and increase renewable energy's share in total consumption.
Purpose of the Study:
- To analyze exhaust components and performance parameters of self-ignition engines using diesel-fatty acid methyl ester (FAME) mixtures.
- To assess the impact of specific FAME concentrations and engine software modifications on engine performance.
Main Methods:
- Conducted tests using exhaust gas and vapor analyzers on three high-pressure, direct fuel injection engines.
- Adjusted vehicle computer software to increase fuel dose and air load.
- Utilized mixtures of diesel oil and varying concentrations of FAME.
Main Results:
- Analysis included oxygen, carbon monoxide, nitric oxides, carbonizers, carbon dioxide, and exhaust particles.
- Statistical analysis and an assessment model were developed based on test results.
- A 30% FAME additive to diesel oil was found to reduce drive unit performance parameters.
Conclusions:
- The study indicates that a 30% FAME blend with diesel negatively affects engine performance parameters.
- Findings suggest careful consideration of biofuel blend ratios is necessary for maintaining engine efficiency and performance.
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