Stringent emission standards and greater fuel economy have forced scientists to develop an advanced combustion technology (homogeneous charge compression ignition; HCCI) useful in internal engines the future. Citronella biodiesel prepared through transesterification process which is auspicious energy source for CI engine. Cobalt chromium nanoparticles were mixed with at 30 ppm help of ultrasoni...

Albeit the exhaust gas recirculation (EGR) is widely used to reduce nitrogen oxides (NOx) emissions from large marine two-stroke engines, several challenges emerge for engine–turbocharging system matching considering contradictory requirements of engine and its subsystems operation. Such become more pronounced in complex configurations that include parallel turbochargers EGR along with cut out ...

The purpose of this study is to determine the optimum intake valve closing time of a large diesel engine having lower fuel consumption and lower NOx emission. The performance simulation has been conducted for this purpose, and a phenomenological combustion model is verified by experimental data of heat release rate and NOx emission in order to enhance the prediction quality of the performance s...

The use of alternative fuels can improve the performance diesel engine in terms pollution, [1], [2], [3].Low-carbon [2] successfully replace conventional modern engines or future [1]. This may be an efficient method to ameliorate exhaust emissions for 2050, especially CO 2 reduction, important issue at internal combustion automotive fleets. liquid petroleum gas, [1-5] which has a low carbon con...

In this study, the effects of JP-4-biodiesel-diesel blends and engine operating parameters on the performance characteristics of a diesel engine were investigated. The experimental tests were performed on a four-cylinder DI diesel engine. The Mixture-RSM method was applied to develop the mathematical models based on the experimental data. The results showed that the fitted models could be prope...

This thesis investigates the potential of corn oil biodiesel as a renewable alternative fuel for diesel engines. An experimental study is conducted to enhance engine characteristics blended through various approaches, including adjusting compression ratio, employing different exhaust gas recirculation (EGR) rates, and incorporating Nano additives into fuel. Preliminary examinations methyl ester...

Abstract In this research, CeO2 was chosen for the DOC catalyst. Moreover, a partial-flow DPF installed after DOC. The exhaust gas experiment conducted at 20% - 50% engine load varying 1000,1500, and 2000 rpm of speed. research results show that NOx reduced around 25% with systems higher load. On other hand, particulate matters decrease 65% systems. Furthermore, CO HC amount were substantially ...

In this study the performance and emissions characteristics of a heavy-duty, direct injection, Compression ignition (CI) engine which is specialized in agriculture, have been investigated experimentally. For this aim, the influence of injection timing, load, engine speed on power, brake specific fuel consumption (BSFC), peak pressure (PP), nitrogen oxides (NOx), carbon dioxide (CO2), Carbon mon...