...Guangyuan Bao; Chao He; Jiaqiang Li; Xueyuan Liu To enhance the performance of the diesel engine helical intake port, computational fluid dynamics (CFD) was employed to conduct numerical simulations of the intake port and in-cylinder flow of the D19 diesel engine. The primary focus of the study...

...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...

... using an actual diesel engine in transient mode, which mimics real-world driving conditions. The desired two-stage HRR can be maintained even in transient operations, such as WLTC, using the proposed control references considering transient conditions by predicting future operations, and the suggested...

...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...

... is broadened. diesel engine two-stage turbocharging system pressure ratio distribution low fuel consumption minimal total drive power Fig. 8 Torque under full load condition The operating efficiency of the two-stage turbocharger over the entire range of operating conditions...

... 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...

.... In this paper, steady flow tests were carried out on a four-valve diesel engine to investigate how and to what extent the casting and machining deviations of the intake port influence the in-cylinder flow characteristics. The results show that these deviations lead to the variation of swirl ratio up to 20...

...-injection diesel engine, single-cylinder, water-cooled Bore × stroke 85 × 96.9 mm Displacement 550 cc Compression ratio 16.3 Combustion chamber Reentrant type (cavity diameter: 51.6 mm) Injection system Common-rail system with a solenoid injector (Max. pressure: 180 MPa) 0.125 mm ϕ × 7...

...; 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...

... on Diesel Engine Emission ,” Int. J. Automot. Technol. , 2 ( 4 ), pp. 123 – 133 . [3] Simoson , C. , and Wagner , J. , 2008 , “ Effects of Cooled EGR on a Small Displacement Diesel Engine: A Reduced-Order Dynamic Model and Experimental Study ,” Trans. ASME J. Energy Resour. Technol. , 130...

...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...

... 2011 26 08 2011 air pollution control crude oil diesel engines optimisation petroleum Taguchi methods diesel engine NO x emission MRSN optimization orthogonal array Biodiesel, a clean burning renewable CI engine fuel, has been accepted by many countries as a partial...

... (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...