Validation of effect of composite additive on optimized combustion characteristics of CI engine using AHP and GRA method
Amit R. Patil, S.A. Patil, Rupali Patil, A.M. Pawar, V.N. Chougule, Kareem AboRas

TL;DR
This study validates a composite additive's effect on improving combustion in diesel engines using optimization methods.
Contribution
The study confirms the effectiveness of a specific composite additive using AHP and GRA methods.
Findings
Composite additive sample D8EH6E4 showed consistent results across optimization methods.
The additive reduced pressure rise by 25% and heat release rate by 18%.
Mean gas temperature decreased by 6% with the additive compared to baseline diesel.
Abstract
The primary focus of this study is the validation of composite additives with the help of additional optimization methods and the analysis of its effect on the combustion characteristics of compression ignition (CI) engines. Previous work on the identification of the correct multi additive combination by Taguchi and the TOPSIS optimization method has shown substantial improvements in the performance and emission characteristics of CI engines. The same work was extended using the GRA Optimization method with the Multi-Criteria Decision-Making (MCDM) optimization technique known as the Analytic Hierarchy Process (AHP) to validate the optimization results from the previous optimization work. Remarkably, all optimization methods yielded consistent results, pointing to the superiority of the composite additive sample ‘D8EH6E4 hence supporting the outcome of previous work. Subsequent testing…
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Taxonomy
TopicsEngineering Applied Research · Advanced Combustion Engine Technologies · Environmental and Sediment Control
