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Study on the Effect of Air Density on the Performance of HCCI Engine Using Acetylene Gas as Fuel
ISSN: 0148-7191, e-ISSN: 2688-3627
To be published on October 30, 2020 by SAE International in United States
Owing to the combined merits of Spark ignition (SI) and compression ignition (CI) engines, homogeneous charge compression ignition (HCCI) engine technology has been receiving a greater attention in the last three decades. HCCI is a promising concept for combustion engines to reduce both emissions and fuel consumption. Utilization of different alternative fuels for HCCI engines is yet to be explored more. In this investigation, an attempt was made to use acetylene as a fuel in an HCCI engine. For this purpose, a single cylinder, four stroke, air-cooled CI engine was converted into HCCI mode. Acetylene was inducted into the intake manifold by using manifold injection technique. Air at different densities was supplied to the HCCI engine. The effects of varying air density on the performance and emission characteristics of the HCCI engine were assessed and the results are presented in this paper