81–100 von 149 Ergebnissen
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    Study of fluid-dynamic behavior in a convergent–divergent nozzle by shape optimization using evolutionary strategies algorithms

    Bahamon, Jhan / Martinez, Manuel | SAGE Publications | 2023
    chemical reaction of combustion, using a device known as a nozzle. This project studies the aerodynamic profile to trace the wall contour of a C-D ...

    The effects of carbon dioxide in exhaust gas recirculation on diesel engine emissions

    Ladommatos, N / Adelhalim, S M / Zhao, H et al. | SAGE Publications | 1998
    The investigation was conducted on a high-speed direct injection diesel engine and was concerned with the effects of exhaust gas ...
    Schlagwörter: oxides of nitrogen

    An investigation of marine waste heat recovery system based on organic Rankine cycle under various engine operating conditions

    Akman, Mehmet / Ergin, Selma | SAGE Publications | 2019
    and primary issues for maritime industry, recently. One of the methods to improve these requirements onboard is to use a waste heat recovery ...

    Characterisation and modelling of the reactions in a three-way PdRh catalyst in the exhaust gas from an ethanol-fuelled spark-ignition engine

    McAtee, Claire / McCullough, Geoff / Sellick, David et al. | SAGE Publications | 2019
    This work investigated and modelled the performance and characteristics of automotive catalytic converter formulations when subjected to a ...

    Evaluating the local environmental impact of air traffic with air transport systems evaluation infrastructure: outputs and validation walkthrough

    Aubry, S / Chaboud, T / Dupeyrat, M et al. | SAGE Publications | 2012
    developed by Onera in Toulouse, France. The project aims at building a generic simulation platform, designed to ease the integration of new or ...

    Effects of thermochemical modelling and surface catalyticity on an Earth re-entry vehicle

    Viviani, A / Pezzella, G / Golia, C | SAGE Publications | 2011
    return vehicle re-entering from low Earth orbit. The effects of: complexity of chemical models, kinetics of reactions, vibrational relaxation ...

    Second-law analysis of fuel–air mixing and combustion subprocesses in a heterogeneous charge engine

    Ismail, Saleel / Mehta, Pramod S | SAGE Publications | 2012
    of fuel vaporization and mixing, whereas chemical reaction accounts for up to half of the total availability deficit during combustion. In ...

    Effects of dimethyl carbonate fuel additive on diesel engine performances

    Zhang, G D / Liu, H / Xia, X X et al. | SAGE Publications | 2005
    The physical and chemical properties of some oxygenated compounds are discussed, including dimethoxymethane (methylal, or DMM), dimethyl ...

    Influence of variable valve timings on the gas exchange process in a controlled auto-ignition engine

    Milovanovic, N / Chen, R / Turner, J | SAGE Publications | 2004
    combustion is controlled by the chemical kinetics of the charge mixture, with no influence of the flame diffusion or turbulent propagation. Therefore ...

    Mathematical modelling of catalytic exhaust systems for EURO-3 and EURO-4 emissions standards

    Pontikakis, G / Stamatelos, A | SAGE Publications | 2001
    of representative chemical reactions. In this paper it is proved, by means of typical case studies, that the above modelling approach, with ...

    Evaluating NOx and CO emissions of bio-SPK fuel using a simplified engine combustion model: A preliminary study towards sustainable environment

    Mazlan, Nurul Musfirah / Savill, Mark / Kipouros, Timos | SAGE Publications | 2017
    aviation fuel Jet-A, Jatropha bio-SPK and Camelina bio-SPK were tested as pure and as blends with Jet-A. Chemical properties of the tested fuels ...

    Mathematical modelling of precious metals catalytic converters for diesel NOx reduction

    Kandylas, I. P. / Koltsakis, G. C. / Stamatelos, A. M. | SAGE Publications | 1999
    mathematical model of the transport and chemical phenomena in platinum-based lean-NOx catalysts was formulated, based on ...

    The Dissipation of Frictional Energy from the Interface of an Annular Disc Brake

    Day, A J / Newcomb, T P | SAGE Publications | 1984
    The performance of resin bonded composite friction materials in a particular brake design is strongly dependent upon the dissipation of ...

    The effect of diesel engine operating conditions on exhaust particle size distributions

    Armas, O / Ballesteros, R / Gómez, A | SAGE Publications | 2008
    , finally, the physical and chemical characteristics of the aerosol, which are a direct consequence of those processes occurring in the engine ...

    Large-eddy simulation of kerosene spray combustion in a model scramjet chamber

    Zhang, M / Hu, Z / He, G et al. | SAGE Publications | 2010
    Large-eddy simulation (LES) of kerosene spray combustion in a model supersonic combustor with cavity flame holder is carried out. Kerosene ...

    Turbulence and additive effects on ignition delay in supersonic combustion

    Tahsini, Amir M | SAGE Publications | 2013
    Numerical study of two-dimensional supersonic hydrogen–air mixing layer is performed to investigate the effects of turbulence and chemical ...

    Modelling three-way catalytic converters: An effort to predict the effect of precious metal loading

    Konstantas, G / Stamatelos, A M | SAGE Publications | 2007
    cannot predict this effect. Recent improvements in the core chemical reaction modelling of the CATRAN code, reported in this paper, allow a good ...

    Optimization of the ammonia coverage ratio references in diesel engine two-can selective catalytic reduction systems via nonlinear model predictive control

    Zhang, Hui / Wang, Junmin / Wang, Yue-Yun | SAGE Publications | 2014
    catalytic reduction systems. The ammonia coverage ratio references are the desired profiles of the ammonia coverage ratios. As these desired ...

    Numerical modelling of oblique shock and detonation waves induced in a wedged channel

    Fan, H Y / Lu, F K | SAGE Publications | 2008
    A computational study of wedge-induced oblique shock and detonation wave phenomena in the flow of a combustible mixture over a wedged ...

    The development of a two-dimensional transient catalyst model for direct injection two-stroke applications

    McCullough, G / Douglas, R / Cunningham, G et al. | SAGE Publications | 2001
    , properties and chemical processes simulated by the model and discusses the limitations and assumptions applied. A review of the modelling techniques ...