Agosto 2024 vol. 11 num. 1 - XXXI Simpósio Internacional de Engenharia Automotiva

Trabalho completo - Open Access.

Idioma principal | Segundo idioma

Investigação experimental entre tipo de combustível, parâmetros de desempenho e vibração de um motor de combustão interna de ciclo Otto.

Experimental investigation between fuel type, performance parameters and vibration of an Otto cycle internal combustion engine.

Santana, Claudio Marcio ; Santana, Linicker Lopes Bruno ; Almeida, Helder Giostri Alves de ;

Trabalho completo:

O uso do etanol combustível em motores de combustão interna ganhou importância devido a fatores ambientais e comerciais, pois o etanol produz taxas de emissão mais baixas em parâmetros de desempenho semelhantes em comparação à gasolina combustível. O objetivo deste estudo é investigar os efeitos dos parâmetros de desempenho do motor sobre o nível de vibração do bloco de motor operado com gasolina e etanol combustível. Os testes experimentais consistiram em operar um motor de ciclo Otto em um dinamômetro de bancada sob condições de plena carga variando rotação e correlacionar os níveis de vibração vertical, longitudinal e transversal do motor de bloco com os parâmetros de desempenho do motor. Os resultados mostraram que o nível de vibração do motor foi influenciado pela rotação do motor, carga, tipo de combustível e parâmetros de desempenho do motor. O processo de combustão é o principal responsável pelo maior nível de vibração alcançado quando se utiliza etanol combustível. Em todas as condições de operação, o nível de vibração do bloco do motor foi maior quando se utilizou etanol em comparação com o motor movido a gasolina. Em média, a vibração transversal do motor foi superior à vibração vertical e longitudinal do motor.

Trabalho completo:

The use of ethanol fuel in internal combustion engines has gained importance due to environmental and commercial factors, because ethanol produces lower emission rates at similar performance parameters compared to gasoline fuel. The objective of this study is to investigated the effects of engine performance parameters on the vibration level of the engine block operated with gasoline and ethanol fuel. The experimental tests consisted of operating an Otto cycle engine on a bench dynamometer under full load conditions varying rotation and correlating the vertical, longitudinal and transverse vibration levels of the block engine with the engine performance parameters. The results showed that the engine vibration level was influenced by engine speed, load, type of fuel and performance parameters of the engine. The combustion process is primarily responsible for the highest level of vibration reached when using ethanol fuel. Under all operating conditions, the vibration level of the engine block was highest when using ethanol compared to the engine run on gasoline. On average, the transverse engine vibration was higher than vertical and longitudinal engine vibration.

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DOI: 10.5151/simea2024-PAP02

Referências bibliográficas
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Como citar:

Santana, Claudio Marcio; Santana, Linicker Lopes Bruno; Almeida, Helder Giostri Alves de; "Investigação experimental entre tipo de combustível, parâmetros de desempenho e vibração de um motor de combustão interna de ciclo Otto.", p. 1-9 . In: Anais do XXXI Simpósio Internacional de Engenharia Automotiva . São Paulo: Blucher, 2024.
ISSN 2357-7592, DOI 10.5151/simea2024-PAP02

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