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    Comportamiento del biodiesel en el ciclo de trabajo del motor Yuchai

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    In the present work the external speed characteristic for the Yuchai engine was determined by working with biodiesel from sunflower oil (Helianthus annus) and compared with the external speed characteristic of the engine originally working with diesel fuel. The results obtained through the methodology for thermal calculation in diesel engines showed that the engine working with biodiesel fuel presented a decrease of the effective power and an increase of the specific consumption of fuel for the biodiesel to 100%.En el presente trabajo se determin贸 la caracter铆stica exterior de velocidad para el motor de combusti贸n interna Yuchai trabajando con combustible biodiesel procedente de aceite de girasol (Helianthus annus) y se compar贸 con la caracter铆stica exterior de velocidad del motor originalmente trabajando con combustible diesel. Los resultados alcanzados a trav茅s de la metodolog铆a para el c谩lculo t茅rmico en motores diesel demostraron que el motor trabajando con combustible biodiesel present贸 una disminuci贸n de la potencia efectiva y un aumento del consumo especifico de combustible para el biodiesel al 100%
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