EXPERIMENTAL INVESTIGATIONS ON THE EFFECTS OF CERIUM OXIDE NANOPARTICLE ADDITION IN DIESEL AND DIESEL-BIODIESEL BLENDS ON THE PERFORMANCE AND EMISSION CHARACTERISTICS OF A CI ENGINE

  • سال انتشار: 1394
  • محل انتشار: کنفرانس بین المللی علوم و مهندسی
  • کد COI اختصاصی: ICESCON01_0442
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 572
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نویسندگان

Abbas Taghipoor

Department of Mechanical Engineering, Dezful Branch, Islamic Azad University, Dezful, Iran.

Fateme Khodaei Chegeni

Department of Mechanical Engineering, Dezful Branch, Islamic Azad University, Dezful,Iran.

چکیده

An experimental investigation is carried out to establish the performance and emission characteristics of a compression ignition engine while using cerium oxide nanoparticles as additive in neat diesel and diesel-biodiesel blends. In the first phase of the experiments, stability of neat diesel and diesel-biodiesel fuel blends with the addition of cerium oxide nanoparticles are analyzed. After series of experiments, it is found that the blends subjected to high speed blending followed by ultrasonic bath stabilization improves the stability.In the second phase, performance characteristics and emissions are studied using the stable fuel blends in a single cylinder four stroke engine coupled with an eddy current dynamometer and a data acquisition system. The cerium oxide acts as an oxygen donating catalyst and provides oxygen for the oxidation of CO. The activation energy of cerium oxide acts to burn off carbon deposits within the engine cylinder at the wall temperature on the emissions. The tests revealed that cerium oxide nanoparticles can be used as additive in diesel and diesel-biodiesel blends to improve complete combustion of the fuel and reduce the exhaust emissions significantly

کلیدواژه ها

diesel engine, engine emissions, cerium oxide, diesel-biodiesel blends, nanoparticles

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