Hüseyin GÜRBÜZ

3911

Determination of the effects of the simultaneous use of ethanol-diesel emulsion as the main fuel and post-injection fuel in a diesel engine on engine performance and emissions

Determination of the effects of the simultaneous use of ethanol-diesel emulsion as the main fuel and post-injection fuel in a diesel engine on engine performance and emissions

In this article, the effects of heated ethanol diesel blend on emissions were investigated experimentally. Additionally, the effect of post-injection strategies on emissions in the AVL Boost model engine, which has the same characteristics as the experimental engine running with ethanol-diesel emulsion fuel, was investigated as a simulation. In a special designed mixer, the ethanol-diesel emulsion (E10) formed with 10% ethanol and 2% isopropyl was stirred at 40 °C. The emulsion temperature was kept constant between 35-40 °C during the experiments. The homogeneous residence time of the blended fuel improved with increasing temperature. Post-injection strategy tests at 2 different crank angles were mathematically analyzed separately for ethanol diesel emulsion as a post-injection fuel in the simulation software. NOx emissions decreased with E10 fuel at low speeds compared to E0 fuel. Slightly increased NOx emissions in the Bpi2 strategy compared to the Bpi1 strategy. In addition, soot emissions reduced with Bpi1 at all engine speeds. The brake specific fuel consumption with the E10 blend increased by 4.36% compared to E0. However, the brake specific fuel consumption was slightly reduced in the Bpi1 and Bpi2 injection strategies tests compared to the E10 experiment.
Keywords:

Heated emulsion, ethanol, post injection diesel engine,

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International Journal of Automotive Engineering and Technologies-Cover
  • Başlangıç: 2012
  • Yayıncı: Murat CİNİVİZ
Arşiv
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Determination of the effects of the simultaneous use of ethanol-diesel emulsion as the main fuel and post-injection fuel in a diesel engine on engine performance and emissions

Hüseyin GÜRBÜZ