51–100 von 149 Ergebnissen
|

    Industrial applications of shock waves

    Jagadeesh, G | SAGE Publications | 2008
    Shock waves have been traditionally considered to be an integral part of flow field features in the area of high-speed aerodynamics ...

    Understanding of controlled autoignition combustion in a four-stroke gasoline engine

    Zhao, H / Peng, Z / Ladommatos, N | SAGE Publications | 2001
    and particulate emissions. Since CAI combustion is a process dominated by chemical kinetics of the fuel-air mixture, an engine simulation ...

    Enhancement of the combustion process in dual-fuel engines at part loads using exhaust gas recirculation

    Pirouzpanah, V / Saray, R Khoshbakhti | SAGE Publications | 2007
    combustion model with detailed chemical kinetics for combustion of natural gas fuel. The authors have developed software in which the pilot fuel is ...
    Schlagwörter: chemical kinetics

    Modelling and simulation of a marine propulsion power plant with seawater desulphurisation scrubber

    Georgopoulou, Chariklia A / Dimopoulos, George G / Kakalis, Nikolaos MP | SAGE Publications | 2016
    chemical behaviour of the integrated machinery system. The model was used to examine the impact of main scrubber design characteristics on the ...

    Analysis and empirical modelling to assess and predict the impact of catalyst light-off strategies on the exhaust gas temperatures of spark ignition engines

    Bannister, Christopher D / Taylor, James | SAGE Publications | 2014
    high temperature to allow chemical reactions to occur. There are a number of methods used to reduce the light-off time such as retarded spark ...

    A new strategy for improving the warm-up performance of a light-off auto-catalyst for reducing cold-start emissions

    Jeong, S-J / Kim, W-S | SAGE Publications | 2001
    Light-off catalysts are often used to minimize cold-start emissions. The improved coldstart performance of light-off catalysts (LOCs) needs ...
    Schlagwörter: chemical reaction

    Optical investigations of the early combustion phase in spark ignition boosted engines

    Tornatore, C / Sementa, P / Merola, S S | SAGE Publications | 2011
    –visible wavelength range allowed the detection of the chemical markers of the combustion process such as CH, OH, and HCO radicals, and ...

    Comparison of soot models for reacting sprays in diesel engine-like conditions

    Duvvuri, Pavan Prakash / Shrivastava, Rajesh Kumar / Sreedhara, Sheshadri | SAGE Publications | 2022
    models has been observed because of precursor consumption due to the coupling of detailed soot models with chemical kinetics. It is recommended ...
    Schlagwörter: Evaluation of soot models

    Thrust control of tethered satellite with a short constant tether in orbital maneuvering

    Zhao, Guowei / Sun, Liang / Huang, Hai | SAGE Publications | 2014
    Tethered satellite with chemical propulsion has broad application prospects in the space debris removal, the orbital transfer of space ...

    Combustion efficiency and pressure loss balance for the supersonic combustor

    Tahsini, AM | SAGE Publications | 2020
    The purpose of this paper is to investigate the effects of intake’s compression process of the scramjet on its flight performance. The ...
    Schlagwörter: Chemical kinetics

    State of charge estimation for lithium-ion batteries using dynamic neural network based on sine cosine algorithm

    Wei, Meng / Ye, Min / Li, Jia Bo et al. | SAGE Publications | 2022
    difficult problem owing to complex chemical reactions and nonlinear battery characteristics. In this paper, the method of the dynamic neural network ...
    Schlagwörter: state of charge

    Experimental study of the ignition performances on a linear combustor under high-altitude conditions

    Wang, Kaixing / Liu, Fuqiang / Wang, Shaolin et al. | SAGE Publications | 2023
    delay, the evaporation of droplets and the chemical delay process are mainly affected with the increase of altitude. At the altitude of 6 km to ...

    Development and validation of a model for wall-flow type selective catalytic reduction system

    Park, S-Y / Rutland, C J / Narayanaswamy, K et al. | SAGE Publications | 2011
    studied due to its potential cost savings and packing flexibility. Unlike a conventional emissions-reduction system that consists of a DPF and an ...

    Particle and nanoparticle characterization at the exhaust of internal combustion engines

    Tornatore, C / Merola, S S / Vaglieco, B M | SAGE Publications | 2008
    The aim of this work is the characterization of the emissions of exhaust particles in terms of number size distribution and chemical ...

    Structural ultimate strength analysis of a first stage fan blade in a turbine jet engine RD-33

    Kozakiewicz, Adam / Kachel, Stanisław / Jóźwiak, Stanisław et al. | SAGE Publications | 2018
    factors the article presents the outcomes of chemical composition, morphology, and phase structure of metallic material used to produce first row ...

    Research on the flame structure characteristics and NOx pathways of low swirl combustion

    Cao, Zhibo / Xiao, Yinli / Ming, Xin et al. | SAGE Publications | 2022
    Low swirl combustion (LSC) technology has the advantage of ultralow NOx emissions, which is of great significance to the ...

    On-board measurements of particle emissions from marine engines using fuels with different sulphur content

    Winnes, Hulda / Moldanová, Jana / Anderson, Maria et al. | SAGE Publications | 2016
    characteristics. Health risks from particles are thought to be related to the size of particles and chemical composition of particles which makes particle ...

    Identification of catalytic converter kinetic model using a genetic algorithm approach

    Pontikakis, G N / Stamatelos, A M | SAGE Publications | 2004
    optimization procedure, for fast and accurate estimation of the set of tuneable kinetic parameters that describe the chemical behaviour of each ...

    Numerical study of the pseudo-boiling phenomenon in the transcritical liquid oxygen/gaseous hydrogen flame

    Zeinivand, Hamed / Farshchi, Mohammad | SAGE Publications | 2021
    The interactions and effects of turbulent mixing, pseudo-boiling phenomena, and chemical reaction heat release on the combustion of ...

    Availability analysis on combustion of n-heptane and isooctane blends in a reactivity controlled compression ignition engine

    Mohebbi, Mostafa / Reyhanian, Masoud / Ghofrani, Iraj et al. | SAGE Publications | 2018
    exhaust thermomechanical exergy decreases from 18.4% to 14.4% of the mixture fuel chemical exergy. Among the five different high reactive fuel ...

    Experimental investigation of the characteristics of an NOx reduction system for a dimethyl ether engine

    Lee, Seang-Wock / Satio, Yoshio | SAGE Publications | 2005
    number close to that of diesel fuel, secondly, an innovative chemical process has been developed for much production of DME efficiently from ...

    A comparison of the relative effects of fuel composition and ignition energy on the early stages of combustion in a natural gas spark ignition engine using simulation

    Yossefi, D / Belmont, M. R. / Ashcroft, S. J. et al. | SAGE Publications | 2000
    Spark ignition engines operating on natural gas (NG) show advantages over petrol and diesel alternatives in terms of precatalyst emissions ...

    Combustion and emissions of gasoline, anhydrous ethanol, and wet ethanol in an optical engine with a turbulent jet ignition system

    Bureshaid, Khalifa / Feng, Dengquan / Zhao, Hua et al. | SAGE Publications | 2019
    works by injecting chemical active turbulent jets to initiate combustion in a premixed fuel/air mixture. The main advantage of turbulent jet ...

    Comparison of open- and closed-loop operating strategies for exhaust gas scrubbing in marine applications: Modeling and sea-trial data

    Lee, Ihsuan / Chang, Ting / Chang, Changken et al. | SAGE Publications | 2023
    A model of a hybrid marine engine exhaust gas scrubber is constructed using sea-trial data and a chemical process simulator. The model can ...

    Firing tests of hybrid engine with varying oxidiser nature and operating conditions

    Gascoin, Nicolas / Mangeot, Alexandre / Marin, Camille et al. | SAGE Publications | 2014
    Hybrid combustors are of increasing interest for space and civilian propulsion. A test facility has been settled to investigate high ...

    Differentiation of lubricant degradation in the piston ring groove and crown land by multivariate data analysis

    Aruna, M A / Fox, M F | SAGE Publications | 2004
    positions on the piston of an operating petrol engine. Chemical and physical analysis of the lubricants obtained from the two sampling positions ...
    Schlagwörter: chemical and physical analyses

    The acoustic hysteresis effect in KIVA during the combustion process of internal-combustion engines

    Li, Wei / Xue, Dongxin / Song, Xigeng et al. | SAGE Publications | 2014
    The heat release of a chemical reaction is a major source of combustion noise in internal-combustion engines. The simulation grid cells in ...

    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 ...

    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 ...

    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 ...

    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 ...

    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 ...

    Numerical study of the combustion mechanism of a homogeneous charge compression ignition engine fuelled with dimethyl ether and methane, with a detailed kinetics model

    Yao, M / Qin, J / Zheng, Z | SAGE Publications | 2005
    . Based on the sensitivity analysis of chemical reactions, the major paths of the DME reaction occurring in the engine cylinder are clarified. The ...

    Numerical simulation of homogeneous charge compression ignition combustion using a multi-dimensional model

    Jia, Ming / Xie, Maozhao | SAGE Publications | 2007
    A detailed chemical kinetics model was used in a computational fluid dynamics (CFD) code to study the combustion process of a homogeneous ...

    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 ...

    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

    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 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 ...

    Modelling of the selective catalytic NOx reduction in diesel exhaust including ammonia storage

    Tsinoglou, D / Koltsakis, G | SAGE Publications | 2007
    previously published mathematical model. The chemical phenomena are described by global reactions for the oxidation of ammonia and the reduction of ...

    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 ...

    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 ...

    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 ...

    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 ...

    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 ...

    Effect of Fuel injection timing with waste cooking oil as a fuel in a direct injection diesel engine

    Bari, S / Yu, C W / Lim, T H | SAGE Publications | 2004
    physical and chemical properties of vegetable oils are known to be different from those of diesel. This study examines the changes in the behaviour ...

    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 ...

    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 ...

    Fabrication and characterization of polyurethane-coated fabrics for collapsible diesel tanks

    Velan, T. V. T. / Bilal, I. M. / Arumugham, S | SAGE Publications | 2000
    respectively) with low free isocyanates were used to fabricate coated fabrics. The physical, chemical and mechanical properties of these coated fabrics ...