...Zhentao Liu; Jinlong Liu Plateau diesel engines suffer from increased fuel consumption and deteriorating emissions. These problems were mainly caused by the combustion worsening inside the chamber. However, limited research has been done specifically on the effect of altitude on the combustion...

...Achinta Sarkar; Ujjwal K. Saha The key challenge of dual fuel mode (DFM) of a compression ignition (CI) diesel engine is to improve the engine performance, and to reduce primarily the carbon monoxide (CO) and unburnt hydrocarbon (HC) emissions. The gaining popularity of DFM lies with its inherent...

..., such a method can consider the driving characteristics. e-mail:  jkim@fiv.t.u-tokyo.ac.jp e-mail:  yudai_y@fiv.t.u-tokyo.ac.jp 11 05 2021 27 08 2021 05 11 2021 combustion control diesel engine model-based control premixed combustion heat release rate The real driving...

...Tianyu Jin; Yu Sun; Chuqiao Wang; Adams Moro; Xiwen Wu; Fuqiang Luo The stringent emission regulations diesel engines are required to meet have resulted in the usage of multihole and ultramultihole injectors, nowadays. In this research study, a double-layered eight-hole diesel injection nozzle...

... is established based on a retrofitted diesel engine, and the O 2 /CO 2 mixture intake system, high-pressure common rail fuel injection system, and high-performance electronic controller are designed and installed within engine test bench to investigate the combustion and emission characteristics under different...

.... Editor: David L. S. Hung. 17 04 2017 04 02 2018 diesel engine two-stage turbocharging system pressure ratio distribution low fuel consumption minimal total drive power As shown in Fig. 3 , we assume the boost pressure ratio as 4, and T CL is the same as T CH...

... to precisely control the air quantity for a light-duty diesel engine operated with dual-loop exhaust gas recirculation (EGR) and variable geometry turbocharger (VGT) systems. This model was implemented on a 32 bit real-time embedded system and evaluated through a processor-in-the-loop-simulation (PILS) at two...

...] Widener , S. K. , 1995 , “ Parametric Design of Helical Intake Port ,” SAE Paper No. 950818. 10.4271/950818 [2] Kawashima , J. , Ogawa , H. , and Tsuru , Y. , 1998 , “ Research on a Variable Swirl Intake Port for 4-Valve High-Speed DI Diesel Engines ,” SAE Paper No. 982680...

... in modern diesel engines. The pilot injection conditions definitely affect the flame development and soot formation in the main spray combustion, and consequently enhance or weaken the smoke reduction ability of post injection. Thus it is necessary to examine the smoke reduction effect corresponding...

...; published online October 21, 2013. Assoc. Editor: Igor Pioro. 09 04 2013 16 08 2013 High temperature diesel engine exhaust gas can be an important source of heat to operate a bottoming Rankine cycle to produce additional power. In this research, an experiment was performed to calculate...

... manuscript received August 6, 2012; published online November 21, 2012. Assoc. Editor: Christopher J. Rutland. 29 02 2012 06 08 2012 In diesel engines, variable geometry turbocharger (VGT) and exhaust gas recirculation (EGR) systems are used to increase engine specific power and reduce...

...Jongsuk Lim; Seungsuk Oh; Jeasung Chung; Myoungho Sunwoo To develop eco-friendly diesel engines, accurate combustion phase control is important due to its significant effects on harmful emissions and fuel efficiency. In order to accurately control the combustion phase, the detection...

... Ignition Engine ,” Renewable Energy , 31 , pp. 2356 – 2369 . 10.1016/j.renene.2005.12.003 5 Henein , N. A. , 1976 , “ Analysis of Pollutant Formation and Control and Fuel Economy in Diesel Engines ,” Prog. Energy Combust. Sci. , l ( 4 ), pp. 165 – 207 . 10.1016/0360-1285(76)90013-7 6...

... (PCCI) diesel engine. The model is based on the Dec conceptual scheme, which considers combustion as a two-stage quasi-steady process: All fuel particles undergo a first rich premixed combustion phase, and the products complete their oxidation in close-to-stoichiometric conditions at the jet periphery...

...Maruthi Devarakonda; Russell Tonkyn; Diana Tran; Jong Lee; Darrell Herling Urea-selective catalytic reduction (SCR) catalysts are regarded as the leading NO x aftertreatment technology to meet the 2010 NO x emission standards for on-highway vehicles running on heavy duty diesel engines. However...

...Jeonghoon Lee Multiple injection strategies are being widely utilized to reduce the vibration, noise, and particle emission in diesel engines. A considerable amount of research related to attempts to increase the maximum power and to reduce vibration, noise, and particulate matters has been done...

...S. Pasupathy Venkateswaran; G. Nagarajan The purpose of this study is to investigate the influence of re-entrant bowl geometry on both engine performance and combustion efficiency in a direct injection (DI), turbocharged diesel engine for heavy-duty applications. The piston bowl design is one...

... operating conditions for high-speed supercharged intercooled diesel engines. The principle of the AVIEIT turbocharging system is presented. A control mechanism for the proposed AVIEIT system used for a truck diesel engine is introduced. An engine simulation code has been developed. In this code, a zero...

...M. Senthil Kumar; A. Ramesh; B. Nagalingam Different methods to improve the performance of a jatropha oil based compression ignition engine were tried and compared. A single cylinder water-cooled, direct injection diesel engine was used. Base data were generated with diesel and neat jatropha oil...

... to investigate soot formation in a heavy-duty diesel engine. The results of the numerical simulation show that the soot oxidation process is reduced close to the combustion chamber walls, due to heat loss, such that larger soot particles and clusters are predicted in an annular volume at the end...