... cetane number fuels had slightly higher HC and lower CO emissions than the high cetane number fuels. 22 02 2011 08 09 2011 21 02 2012 21 02 2012 air pollution control brakes combustion diesel engines distillation engine cylinders fuel systems ignition experimental...

...T. Salt; D. R. Tree; C. Kim The benefits of oxygen enhancement in conjunction with EGR on emissions were investigated in a single-cylinder direct injection diesel engine. Cylinder pressure, NO x , and particulate were measured for EGR sweeps with and without oxygen enhancement. In all cases...

... combustion and help achieve even better performance can be devised. Here, we report a laser induced breakdown spectroscopy (LIBS) based diagnostic for use with lean combustion or exhaust gas recirculation that enables real-time monitoring of an in-cylinder equivalence ratio. combustion engine...

... the thermal load most at the rated engine speed and under a full load condition. 23 07 2009 08 02 2010 09 11 2010 09 11 2010 diesel engines engine cylinders exhaust systems fuel systems thermodynamics thermal load multiple injection diesel engine The power...

... MPCC HPFI average Φ MC was approximately 0.80 compared with an overall average of 0.65 for the fueled PCCs and trends with the increase in NO x . Additionally, past computational fluid dynamic modeling confirms that the test engine cylinders contain a lean region...

... and alternative ignition source, such as LI, could pave the pathway for realizing lower NO x emissions with a slight penalty in BTE. 21 05 2009 11 06 2009 27 05 2010 27 05 2010 air pollution control combustion engine cylinders exhaust systems ignition natural gas technology...

... cooling engine cylinders ignition internal combustion engines sparks transient response valves engine cooling system thermal transient response internal combustion engine after-boiling engine shutdown In the past decade, the evolution strategies of the automotive industry have been...

..., and cold and real dynamic simulations). 05 03 2009 07 09 2009 05 03 2010 05 03 2010 computational fluid dynamics engine cylinders ignition internal combustion engines sparks turbulence vortices dynamic engine simulation steady flow rig tests CFD tumble turbulence...

... operation strategy and the derivation of virtual sensor designs. 10 03 2009 04 06 2009 19 01 2010 19 01 2010 air pollution control artificial intelligence diesel engines engine cylinders fuel economy genetic algorithms neurocontrollers regression analysis Diesel...

... of 20% linseed oil methyl ester fueled engine during endurance test on a constant speed DI diesel engine. Cylinder liner wear mainly corresponds to wear of the surface topography in the peak and core zones. The valley zone is less affected. Surface wear at TDC and BDC locations is more severe than...

...Xiaoyong Wang; Tsu-Chin Tsao; Chun Tai; Hyungsuk Kang; Paul N. Blumberg This paper presents the analysis and modeling of a 10.8 l heavy-duty diesel engine modified for operating compressed air hybrid engine cycles. A lumped parameter model is developed to first investigate the engine cylinder-air...

... in the engine cylinder air charge rate m a in the full-load condition is due to the increased late burning, which increases the cylinder exhaust thermal energy driving the turbocharger. Predicted trends in engine outputs and emissions versus inlet fuel temperature (medium-speed diesel engine...

... Thermodynamic Method for TDC Determination ,” SAE Paper No. 2007-24-052. 25 09 2007 15 01 2008 19 06 2008 closed loop systems combustion engine cylinders feedback internal combustion engines optimal control sparks Modern spark ignition engines must meet both rising fuel...

... laser ignition system for advanced multicylinder gas engines. The approach is to use a single laser source with fiber optic cables delivering the high power pulses from the source to the engine cylinders. The optical requirements for the fiber delivery lead us to use coated hollow core optical fibers...

... dead center 19 07 2006 27 08 2007 22 01 2008 engine cylinders friction ignition internal combustion engines lubricating oils pistons rings (structures) starting thermodynamic properties viscosity In most previous studies on air-standard power cycles...

... density and the size of particles in the exhaust stream. Injection pressure had reduced effects at increased engine speeds. 28 09 2005 28 09 2006 ignition natural gas technology engine cylinders internal combustion engines exhaust systems air pollution control alternative...

... as the inlet temperature was increased from 65 to 85 ° C . 03 02 2005 19 03 2006 diesel engines hydrogen engine cylinders blending combustion chemical exchanges air pollution nitrogen compounds carbon compounds As the world finds itself in the midst of a universal energy...

.... This is likely due to the fact that after ignition, combustion rates are mixing controlled rather than chemistry controlled under the diesel conditions studied. 16 05 2005 24 01 2006 diesel engines combustion turbulence computational fluid dynamics air pollution engine cylinders ignition...

... 04 2005 09 01 2006 valves motorcycles engines laser Doppler anemometry combustion angular momentum engine cylinders vortices Heywood , J. B. , 1998 , Internal Combustion Engine Fundamentals , McGraw–Hill , New York . Zhijun , W. , and Zhen , H...

... empirical correlations for a closed rotating annulus. 31 10 2005 15 11 2005 Rayleigh-Benard instability convection cavitation gas turbines engine cylinders Navier-Stokes equations compressors vortices Rayleigh–Bénard convection rotating cavities Buoyancy-induced flow...