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| Hauptseite > Workflowsammlungen > Publikationsgebühren > Molecular Design of Fuels for Maximum Spark-Ignition Engine Efficiency by Combining Predictive Thermodynamics and Machine Learning > print |
| Hauptseite > Workflowsammlungen > Publikationsgebühren > Molecular Design of Fuels for Maximum Spark-Ignition Engine Efficiency by Combining Predictive Thermodynamics and Machine Learning > print |
| 001 | 972117 | ||
| 005 | 20240712112901.0 | ||
| 024 | 7 | _ | |a 10.1021/acs.energyfuels.2c03296 |2 doi |
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| 024 | 7 | _ | |a 1520-5029 |2 ISSN |
| 024 | 7 | _ | |a 10.34734/FZJ-2023-01079 |2 datacite_doi |
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| 100 | 1 | _ | |a Fleitmann, Lorenz |0 P:(DE-HGF)0 |b 0 |
| 245 | _ | _ | |a Molecular Design of Fuels for Maximum Spark-Ignition Engine Efficiency by Combining Predictive Thermodynamics and Machine Learning |
| 260 | _ | _ | |a Columbus, Ohio |c 2023 |b American Chemical Society |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a Co-design of alternative fuels and future spark-ignition (SI) engines allows very high engine efficiencies to be achieved. To tailor the fuel’s molecular structure to the needs of SI engines with very high compression ratios, computer-aided molecular design (CAMD) of renewable fuels has received considerable attention over the past decade. To date, CAMD for fuels is typically performed by computationally screening the physicochemical properties of single molecules against property targets. However, achievable SI engine efficiency is the result of the combined effect of various fuel properties, and molecules should not be discarded because of individual unfavorable properties that can be compensated for. Therefore, we present an optimization-based fuel design method directly targeting SI engine efficiency as the objective function. Specifically, we employ an empirical model to assess the achievable relative engine efficiency increase compared to conventional RON95 gasoline for each candidate fuel as a function of fuel properties. For this purpose, we integrate the automated prediction of various fuel properties into the fuel design method: Thermodynamic properties are calculated by COSMO-RS; combustion properties, indicators for environment, health and safety, and synthesizability are predicted using machine learning models. The method is applied to design pure-component fuels and binary ethanol-containing fuel blends. The optimal pure-component fuel tert-butyl formate is predicted to yield a relative efficiency increase of approximately 8% and the optimal fuel blend with ethanol and 3,4-dimethyl-3-propan-2-yl-1-pentene of 19%. |
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| 700 | 1 | _ | |a Ackermann, Philipp |0 P:(DE-HGF)0 |b 1 |
| 700 | 1 | _ | |a Schilling, Johannes |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Kleinekorte, Johanna |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Rittig, Jan G. |0 P:(DE-HGF)0 |b 4 |
| 700 | 1 | _ | |a vom Lehn, Florian |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Schweidtmann, Artur M. |0 P:(DE-HGF)0 |b 6 |
| 700 | 1 | _ | |a Pitsch, Heinz |0 P:(DE-HGF)0 |b 7 |
| 700 | 1 | _ | |a Leonhard, Kai |0 P:(DE-HGF)0 |b 8 |
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| 700 | 1 | _ | |a Bardow, André |0 P:(DE-Juel1)172023 |b 10 |
| 700 | 1 | _ | |a Dahmen, Manuel |0 P:(DE-Juel1)172097 |b 11 |e Corresponding author |u fzj |
| 773 | _ | _ | |a 10.1021/acs.energyfuels.2c03296 |g p. acs.energyfuels.2c03296 |0 PERI:(DE-600)1483539-3 |n 3 |p 2213–2229 |t Energy & fuels |v 37 |y 2023 |x 0887-0624 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/972117/files/acs.energyfuels.2c03296.pdf |y OpenAccess |
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