...Zhe Kang; Zhijun Wu; Jun Deng; Zongjie Hu; Liguang Li Internal combustion Rankine cycle (ICRC) concept implements oxy-fuel combustion, direct water injection (DWI), and waster heat recovery (WHR) into traditional Otto or diesel cycle to realize high thermal efficiency and low emission powertrain...

... and smoke emissions; however, there is the engine derating as performance penalty in comparison to engines operating under PDM. The most influential parameters in DFM engines are the type and flow rate of inducted gaseous fuel, fuel–air equivalence ratio ( Φ global ), compression ratio (CR), and injection...

...; published online November 1, 2013. Assoc. Editor: Joost J. Brasz. 01 04 2013 03 09 2013 Amid various methods available to reduce pollutant emissions and to improve performance and combustion characteristics of a diesel engine, emulsified fuel seems to be promising. However, because...

...Stephen Ciatti; Swami Nathan Subramanian Conventional combustion techniques struggle to meet the current emissions norms. In particular, oxides of nitrogen ( NO x ) and particulate matter (PM) emissions have limited the utilization of diesel fuel in compression ignition engines. Advance combustion...

... both time and money and provides better and additional understanding where the experimental facilities are limited. A spark ignition (SI) engine simulation tool (ISIS) is used in this present study to simulate the performance and emissions of SI engines, operated on alternative fuels such as biogas...

...H. Schütz; R. Lückerath; T. Kretschmer; B. Noll; M. Aigner FLOX®, or flameless combustion is characterized by ultralow N O x emissions. Therefore the potential for its implementation in gas turbine combustors is investigated in recent research activities. The major concern of the present paper...

.... Such an understanding will be beneficial in devising improved emission control methodologies. The study employs a single-channel based, one-dimensional, nonadiabatic model. The transient conditions are imposed by varying the exhaust gas temperature sinusoidally. The results show that temperature modulations cause...

... as well as their number density. This is linked to the lower in-cylinder temperature and a reduced amount of air. 23 01 2006 13 12 2006 diesel engines combustion turbulence computational fluid dynamics exhaust systems particle size soot modeling diesel engine emission...

...Stefan Baessler; Klaus G. Mösl; Thomas Sattelmayer An important question for future aeroengine combustors is how partial vaporization influences the N O x emissions of spray flames. In order to address this question an experimental study of the combustion of partially vaporized kerosene/air...

...T. Korakianitis; R. Dyer; N. Subramanian In gas turbine combustion the gas dynamic and chemical energy release mechanisms have comparable time scales, so that equilibrium chemistry is inadequate for predicting species formation (emissions). In current practice either equilibrium chemical reactions...

... NO x emissions, the lean premixed combustion is often used in stationary gas turbines. Because of their excellent flameholding, burnout and emission characteristics swirling flames are almost exclusively used in gas turbine combustion systems. The superior performance of swirling flames stems...

...Dennis N. Assanis, Associate Editor 29 04 2003 internal combustion engines ignition emission wear tribology fuel road vehicles performance evaluation Almost one and a half centuries since it became a practical reality, the Internal Combustion Engine (ICE) remains today...

... exchange process. Predicted gas flow in the exhaust manifold agreed with the experimental data. With the aim of reducing emissions, the pulsation flow calculation method has been applied to improve lambda feedback control using an oxygen sensor. The factors governing sensor sensitivity to the exhaust gas...

... Combustion Engine Fundamentals , McGraw-Hill, New York. Han, Z., Uludogan, A., Hampson, G., and Reitz, R., 1996, “Mechanism of Soot and NOx Emission Reduction Using Multiple-Injection in a Diesel Engine,” SAE Technical Paper 960633. Patterson, M., Kong, S.-C., G. J., H., and Reitz, R., 1994...

... evaluated in a CFR engine using n-butane as a fuel. The minimum and maximum loads for HCCI operation were determined using criteria of coefficient of variation of the indicated mean effective pressure and the derivative of in-cylinder pressure, respectively. Exhaust emissions, particularly hydrocarbons...

... production cost increases in a range of 25% until 72%. The AMC stands out among the other power plants here analyzed because, after CO 2 recovery, it exhibits the lowest net work output decrease, the highest net efficiency and the lowest final specific CO 2 emission. In addition to this, its economic impact...

...G. Vermes, Consultant,; L. E. Barta; J. M. Bee´r The prospects of reduced NO x emission, improved efficiency, stable, and oscillation-free combustion, and reduced construction costs achieved by an “Inverted Brayton Cycle” applied to midsize (0.5 to 5.0 MWe) power plants are discussed. In this cycle...

... and particulate emissions with retarded injection timing. According to the results of CFD computation and phenomenological modeling, the high squish combustion chamber with a central pip is effective to keep the combusting mixture under the squish lip until the end of combustion and the combustion region forms...

...D. Caceres; J. R. Reisel; A. Sklyarov; A. Poehlman In this study, a laboratory test procedure to mimic the life cycle of the small air-cooled engines in field operation is developed. A characterization of exhaust emissions over the life cycle of the engines is achieved with special focus given...

... combine optimally to produce an attractively low cost of electricity (COE) for the overall power system. The system cycle and physical characteristics are described; power, efficiency, and emissions estimates are presented; and estimates of system cost and COE are provided. In addition, two bottoming...