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Master's Dissertation
DOI
10.11606/D.18.2007.tde-09022008-164934
Document
Author
Full name
Francisco José Alves
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2007
Supervisor
Committee
Pagliuso, Josmar Davilson (President)
Sánchez, Caio Glauco
Santos, Antonio Moreira dos
Title in Portuguese
Produção e fornecimento de vapor de etanol para motor de combustão interna operando com combustível pré-vaporizado
Keywords in Portuguese
Combustíveis gasosos
Energia renovável
Injeção de combustível
Abstract in Portuguese
O motor a álcool pré-vaporizado tem potencial para ser uma alternativa mais eficiente e menos poluente aos motores a álcool convencionais. Nele, o combustível é vaporizado com calor rejeitado pelo próprio motor e admitido na fase gasosa, aproveitando-se das vantagens dos motores com combustíveis nessa fase sem alguns dos seus inconvenientes. O projeto foi aperfeiçoado buscando viabilidade técnica e econômica para sua instalação em veículos automotores. Água do sistema de arrefecimento cede calor para a ebulição do combustível. As novas tecnologias para injeção de combustíveis gasosos contribuem para esse objetivo, bem como o desenvolvimento de um sistema sustentável e auto-ajustável de geração de vapor de etanol que usa a água do sistema de arrefecimento. Conseguiu-se maior eficiência em quase todos os regimes de funcionamento estudados, bem como meios de reduzir as principais emissões automotivas indesejáveis.
Title in English
Ethanol vapor production and feeding for an internal combustion engine operating with pre-vaporized fuel
Keywords in English
Fuel injection
Gaseous fuels
Renewable energy
Abstract in English
Pre-vaporized ethanol engine (PVEE) has potential to be more efficient and less pollutant than conventional ethanol-powered engines. In it, fuel is vaporized with heat rejected by engine itself and intook in gaseous form, taking advantage of this kind of fuel but without some of its inconveniences. The PVEE project was polished looking for economical and technical liability to future use in automotive vehicles. New gaseous fuel injection technologies contribute to this goal, together the development of a sustainable and self-adjustable ethanol vapor generating system who uses water from engine's cooling systems. Better efficiency was achieved in almost all investigated regimes, as well as were found ways to reduce the main undesirable automotive emissions.
 
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mapv.pdf (2.32 Mbytes)
Publishing Date
2008-02-18
 
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