Going for NOx out

Knight, Helen
October 2004
Engineer (00137758);10/22/2004, Vol. 293 Issue 7662, p10
Reports on Lotus Engineering's development of a combustion system for gasoline direct inject engines, based on its active valve train technology, to improve performance and fuel economy without the need for costly nitrogen oxide (NOx) aftertreatment. Consortium project led by the U.K. company; Control of air intake within a gasoline direct injection engine running permanently in homogenous mode.


Related Articles

  • Lotus set to introduce HCCI.  // Automotive Engineer;Sep2003, Vol. 28 Issue 8, p31 

    Reports on the plan of Lotus Group PLC to introduce homogeneous charge compression ignition (HCCI) technology into production car passenger engines. Purpose of the plan; Alternatives methods of initiating HCCI in an internal combustion engine; Fundamental feature of the Lotus work; Move done by...

  • Combustion and Emission Characteristics of an LNG Engine for Heat Pumps. Ziyoung Lee; Kyoungyoul Lee; Song Choi; Sungwook Park // Energies (19961073);2015, Vol. 8 Issue 12, p13864 

    A gas-engine heat pump (GHP) is driven by an internal combustion engine fueled by natural gas. The objective of this research is to model the combustion and emission characteristics of a GHP engine and experimentally validate the model. In addition, the exhaust gas recirculation (EGR) and intake...

  • Effect of Fuel Magnetism on Engine Performance and Emissions. El Fatih, Farrag A.; Saber, Gad M. // Australian Journal of Basic & Applied Sciences;2010, Vol. 4 Issue 12, p6354 

    The current research investigates the effect of magnetic field on internal combustion engines. The study concentrates on engine performance parameters such as fuel consumption and exhaust emissions. The magnetic field was applied to S.I.E. using gasoline fuel. Moreover, the fuel is subjected to...

  • Twenties flapper motors back into fashion. Woodward, Brian // New Scientist;12/1/90, Vol. 128 Issue 1745, p36 

    Reports on a prototype based on an internal combustion engine design abandoned in the 1920s which its developers claim could make engines more efficient, quieter and cleaner. Fuel efficiency claimed by Sydney, New South Wales company AE Bishop and Associates for it design; Prototype engine that...

  • RESEARCHES REGARDING THE NUMERICAL EVALUATION OF THE TOXICITY INDICES FOR THE NOXES PRODUCED BY BURNING SOURCES. Dan Negrea, Virgiliu; Padure, Gelu; Ponoran, Silviu; Sandu, Venetia // Environmental Engineering & Management Journal (EEMJ);2002, Vol. 1 Issue 4, p511 

    The paper defines the weight toxicity index (WTI) and gives some information about the technique of their computation. There are also presented numerical results for interest cases in environmental protection.

  • A numerical study of the use of pilot or split rate injection to reduce diesel engine noise. Ghaffarpour, M. R.; Noorpoor, A. R. // Proceedings of the Institution of Mechanical Engineers -- Part D;Apr2007, Vol. 221 Issue 4, p457 

    This paper investigates the effects of the various factors on combustion noise without increasing nitrogen oxides (NOx) in different operating conditions, especially at idle by using a combustion-simulation computer program (KIVA) and orthogonal array. Results indicated that the effects of pilot...

  • Multiobjective optimization of feedforward control maps in engine management systems towards low consumption and low emissions. Hafner, Michael; Isermann, Rolf // Transactions of the Institute of Measurement & Control;2003, Vol. 25 Issue 1, p57 

    This paper describes a new approach towards a model-based optimization of internal combustion engine control maps. The goals of the optimization are � at the same time � minimum fuel consumption, low emissions and a good driveability. First the structure of a torqueoriented engine...

  • OPTIMIZATION OF OPERATING REGIMES OF NAVAL PROPULSION PLANTS BASED ON MINIMUM COST OF TRANSPORT. Mariana, Lupchian // Analele Universitatii Maritime Constanta;2011, Vol. 12 Issue 16, p151 

    The problem of optimization of the functioning regimes of the energetic plant with internal combustion engines is very complex and must be solved hierarchically, on the base of the component sub-systems optimization, using the corresponding optimization methods, with the necessary calculation...

  • Magnetic fields raise fuel efficiency. Howard, Keith // New Scientist;7/20/91, Vol. 131 Issue 1778, p20 

    Reports that tests conducted by the British Internal Combustion Engine Research Institute (BICERI) have confirmed that applying a magnetic field to fuel immediately before burning it in an internal combustion engine does improve combustion efficiency. Contention by fuel companies that magnetism...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics