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Turbocharger Optimization of Diesel Engine for Fuel Economy Improvement Using 1-D Thermodynamic Analysis
Technical Paper
2020-01-5050
ISSN: 0148-7191, e-ISSN: 2688-3627
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Automotive Technical Papers
Language:
English
Abstract
The paper presents the investigation on the Engine fuel efficiency improvement using one-dimensional (1-D) simulation software Ricardo WAVE. The study is carried out for a baseline multicylinder direct-injection turbocharged diesel engine of 2945 cc displacement, meeting the Central Pollution Control Board (CPCB)-II emission norms. Initially, the base simulation model is calibrated and observed for a good correlation between the experimental and simulation results for parameters like airflow rate, engine power, brake-specific fuel consumption (BSFC), and cylinder pressure. There is also an acceptable agreement between the predicted and actual measurement values for nitrogen oxides (NOx) emission. Now different combinations of turbochargers and combustion-related hardware are optimized in 1-D simulation, and the best combination is also verified experimentally. The actual testing of the final optimized combination shows a 4% fuel efficiency improvement on full-load condition without increasing the overall cycle emission against the simulation-predicted 5% fuel efficiency. So experimental results also correlate well with the predicted simulation results and exhibit fuel efficiency reduction while meeting CPCB-II emission norms.
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Nain, A., "Turbocharger Optimization of Diesel Engine for Fuel Economy Improvement Using 1-D Thermodynamic Analysis," SAE Technical Paper 2020-01-5050, 2020, https://doi.org/10.4271/2020-01-5050.Data Sets - Support Documents
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References
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