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Development Procedure for Performance Estimation and Main Dimensions Calculation of a Highly-Boosted Ethanol Engine with Water Injection

Author

Listed:
  • Thiago Rodrigo Vieira da Silva

    (Graduate Program in Mechanical Engineering, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte 31270-901, Brazil)

  • Nilton Antonio Diniz Netto

    (AVL List GmbH, Hans List Platz 1, 8020 Graz, Austria)

  • Jeanine Costa Santos

    (Graduate Program in Mechanical Engineering, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte 31270-901, Brazil)

  • Augusto Cesar Teixeira Malaquias

    (Graduate Program in Mechanical Engineering, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte 31270-901, Brazil)

  • José Guilherme Coelho Baêta

    (Graduate Program in Mechanical Engineering, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte 31270-901, Brazil)

Abstract

The management of the global energy resources has stimulated the emergence of various agreements in favor of the environment. Among the most famous are the Conference of Parties (COP) and Route 2030, which aim to limit global warming to 1.5 °C by reducing the energy consumption and global emission levels. In order to comply with the international standards for energy consumption and pollutant emissions, the Brazilian government has been promoting the expansion of biofuels in the national energy matrix. Considering this scenario, the development of a novel internal combustion engine for the exclusive use of ethanol as a fuel, equipped with state-of-the-art technologies and employing modern design concepts, consists of an innovative and promising pathway for future Brazilian mobility, from both environmental and technological outlooks. In this sense, this work presents a method to determine the main engine dimensions as part of the initial process for a new ethanol prototype engine development. The Brazilian biofuel was selected due to its physicochemical properties, which allow the engine to achieve higher loads, and also due to its large availability as a renewable energy source in the country. Furthermore, a port water injection system was fitted to the engine in order to assist the combustion process by mitigating the knock tendency. The predicted overall engine performance was obtained by carrying out a GT-Power TM 1D-CFD simulation, whose results pointed to a maximum torque of 279 Nm from 2000 to 4000 rpm and an indicated peak power of 135 kW at 5500 rpm. With a maximum water-to-fuel ratio of 19.2%, the engine was able to perform its entire full load curve at the MBT condition, a fact that makes the WI approach along with the ethanol fuel a very attractive solution. As a result of the specific design and optimization of each geometric parameter for this unique ethanol engine, a maximum indicated fuel conversion efficiency of 45.3% was achieved. Moreover, the engine was capable of achieving over 40% of the indicated fuel conversion efficiency in almost its entire full load curve.

Suggested Citation

  • Thiago Rodrigo Vieira da Silva & Nilton Antonio Diniz Netto & Jeanine Costa Santos & Augusto Cesar Teixeira Malaquias & José Guilherme Coelho Baêta, 2022. "Development Procedure for Performance Estimation and Main Dimensions Calculation of a Highly-Boosted Ethanol Engine with Water Injection," Energies, MDPI, vol. 15(13), pages 1-24, June.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:13:p:4656-:d:847581
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    References listed on IDEAS

    as
    1. Zhenbin Chen & Jiaojun Deng & Haisheng Zhen & Chenyu Wang & Li Wang, 2022. "Experimental Investigation of Hydrous Ethanol Gasoline on Engine Noise, Cyclic Variations and Combustion Characteristics," Energies, MDPI, vol. 15(5), pages 1-17, February.
    2. Jeonghyun Park & Kyung-Hwan Lee & Suhan Park, 2020. "Comprehensive Spray Characteristics of Water in Port Fuel Injection Injector," Energies, MDPI, vol. 13(2), pages 1-13, January.
    3. Bozza, Fabio & De Bellis, Vincenzo & Teodosio, Luigi, 2016. "Potentials of cooled EGR and water injection for knock resistance and fuel consumption improvements of gasoline engines," Applied Energy, Elsevier, vol. 169(C), pages 112-125.
    4. Jacopo Zembi & Michele Battistoni & Francesco Ranuzzi & Nicolò Cavina & Matteo De Cesare, 2019. "CFD Analysis of Port Water Injection in a GDI Engine under Incipient Knock Conditions," Energies, MDPI, vol. 12(18), pages 1-22, September.
    5. Federico Millo & Fabrizio Gullino & Luciano Rolando, 2020. "Methodological Approach for 1D Simulation of Port Water Injection for Knock Mitigation in a Turbocharged DISI Engine," Energies, MDPI, vol. 13(17), pages 1-21, August.
    6. Rocha, Déborah Domingos da & de Castro Radicchi, Fábio & Lopes, Gustavo Santos & Brunocilla, Marcello Francisco & Gomes, Paulo César de Ferreira & Santos, Nathalia Duarte Souza Alvarenga & Malaquias, , 2021. "Study of the water injection control parameters on combustion performance of a spark-ignition engine," Energy, Elsevier, vol. 217(C).
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