1–50 von 149 Ergebnissen
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    Effects and mechanism of pilot diesel injection strategies on combustion and emissions of natural gas engine

    Binyang, Wu / Puze, Yang / Yinmi, Luo et al. | SAGE Publications | 2024
    chemical reaction kinetics model. The effects and mechanisms of various PDI strategies on the mixture equivalent ratio, temperature, and ...

    Reliability analysis based on load spectrum: A structural improvement of Indian Railways three-piece freight bogie elastomeric pad

    Shukla, Sanjay / Thaplyal, Manish / Gautam, Abhishek Kumar et al. | SAGE Publications | 2024
    existing EM pads. Further, chemical and physical properties are also evaluated in M&C (Metallurgical and Chemical) and Testing Directorate of ...

    Design and performance evaluation of a novel H2/O2 electro-chemical hybrid thruster

    Wang, Xiaoshun / Zhao, Chengren / Huang, Huijun et al. | SAGE Publications | 2023
    A H2/O2 electro-chemical hybrid thruster with a novel design for efficient coupling of hydrogen–oxygen detonation ...
    Schlagwörter: electro-chemical hybrid thruster

    Thermo-chemical and structural analysis of integrated thermal protection system for a space vehicle

    Murtuzapurwala, Najeeba / G, Malaikannan | SAGE Publications | 2023
    protection as well as structural load-bearing capability. Thermo-chemical simulations are carried out with the help of the Fully Implicit Ablation ...

    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 ...

    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 ...

    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 ...

    Trapped equivalence ratio determination in two-stroke engines

    Bajwa, Abdullah U / Patterson, Mark / Jacobs, Timothy J | SAGE Publications | 2023
    The chemical composition of the trapped fuel-air-residual gas mixture controls the nature of combustion in internal combustion engines and ...

    Ignition improvers for aqueous ammonia as marine fuel

    Schönborn, Alessandro / Lee, Kang-Ki | SAGE Publications | 2023
    ammonia (25% by mass) as fuel, was investigated using chemical kinetic simulations at conditions representative of a two-stroke marine diesel ...

    Prediction of NOx considering NO and NO2 for a CI engine

    Lee, Youngbok / Lee, Seungha / Min, Kyoungdoug | SAGE Publications | 2022
    Nitrogen oxides (NOx) are one of the main harmful emissions from diesel engines. Regulations on emissions are ...

    Experimental investigation of scavenging in two-stroke engines using continuous CO2 sampling

    Bajwa, Abdullah U / Patterson, Mark / Jacobs, Timothy J | SAGE Publications | 2022
    In internal combustion engines, the chemical composition of the trapped fuel-air-residual gas mixture controls the nature of combustion ...

    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

    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 ...

    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

    Spark ignition timing effects on a converted diesel engine using natural gas: A numerical study

    Aktas, Fatih | SAGE Publications | 2022
    systems using internal combustion engines has accelerated. At the forefront of these studies is the use of natural gas instead of diesel fuel in ...

    Aqueous solution of ammonia as marine fuel

    Schönborn, Alessandro | SAGE Publications | 2021
    The ignition of ammonia in aqueous solution was simulated in a two-stroke compression ignition engine model. Zero-dimensional chemical ...

    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 ...

    Predictions of NOx and CO emissions from a low-emission concentric staged combustor for civil aeroengines

    Zhang, Qun / Hai, Han / Li, Chengyu et al. | SAGE Publications | 2020
    This study is aimed to establish a detailed chemical reactor network model based on the analysis of complex reaction flowfield structures ...
    Schlagwörter: chemical reactor network

    From fundamental study to practical application of kerosene in compression ignition engines: An experimental and modeling review

    Lin Tay, Kun / Yu, Wenbin / Zhao, Feiyang et al. | SAGE Publications | 2020
    development of reliable chemical reaction mechanisms for numerical simulations. Therefore, in this work, a comprehensive review is carried out ...
    Schlagwörter: chemical reaction mechanism

    A study on the mechanism reduction and evaluation of biodiesel with the change of mechanism reduction factors

    Jung, Jun Woo / Lim, Young Chan / Suh, Hyun Kyu | SAGE Publications | 2020
    This study aims to confirm the effect of changing the various factors with the directed relation graph error propagation–based methods and ...
    Schlagwörter: detailed chemical kinetic reaction mechanisms

    The quantitative characterization of the ignition process for a lean staged injector: Influence of the air split between pilot swirlers

    Yang, Jinhu / Liu, Cunxi / Liu, Fuqiang et al. | SAGE Publications | 2020
    The ignition of a lean staged injector aimed at aeronautical application is a transient and complex phenomenon, which involves fluid ...

    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

    Interaction mechanism between shock waves and supersonic film cooling with cracking reaction

    Zuo, Jingying / Zhang, Silong / Qin, Jiang et al. | SAGE Publications | 2020
    considered, the negative effect brings by the oblique shock wave is weakened by the cracking reaction due to the increment of chemical heat ...

    A new biomimetic antifouling method based on water jet for marine structures

    Liu, Guijie / Yuan, Zichao / Incecik, Atilla et al. | SAGE Publications | 2020
    Marine biofouling is a serious environmental problem, while traditional chemical antifouling is less environmentally friendly. Biomimetic ...

    Method for determining gasoline surrogate component proportions and development of reduced chemical kinetics model of the determined surrogate fuel

    Kong, Jun / Qin, Yanxin / Zheng, Zhaolei | SAGE Publications | 2019
    Response surface method is used to build models for predicting an octane number and determining the component proportions of a gasoline ...
    Schlagwörter: chemical kinetics

    Characteristics of auto-ignition in gasoline–biodiesel blended fuel under engine-like conditions

    Vu, Dinh Nam / Das, Shubhra Kanti / Jwa, Kyeonghun et al. | SAGE Publications | 2019
    -stage (auto-ignition) ignition delay. Second, a gasoline–biodiesel reaction mechanism was developed to predict the chemical ignition delay of ...

    Modeling laminar burning velocity of gasoline using an energy fraction-based mixing rule approach

    Kim, Joohan / Min, Kyoungdoug | SAGE Publications | 2019
    To determine an optimum combustion chamber design and engine operating strategies, computational fluid dynamics simulations of direct ...

    Corrosion failure analysis of a railway tanker containing concentrated sulfuric acid

    Wu, Haomin / Zou, Changjun | SAGE Publications | 2019
    morphology and chemical composition of the corrosion scale were characterized by SEM and EDS. The theoretical corrosion rate of the railway tanker ...

    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 ...

    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 ...

    Orbital plane change maneuver strategy using electric propulsion

    Cao, Jing / Li, Hengnian / Shen, Hongxin | SAGE Publications | 2019
    The orbital dynamics basis for orbital plane change maneuver using chemical propulsion is the impulsive orbital change theory in practical ...

    An overview of the effects of fuel molecular structure on the combustion and emissions characteristics of compression ignition engines

    Freier Zugriff
    Hellier, Paul / Talibi, Midhat / Eveleigh, Aaron et al. | SAGE Publications | 2018
    processes of biological, chemical and physical conversion, feedstocks such as lignocellulosic biomass and photosynthetic micro-organisms will yield ...

    3D simulation study on the influence of lubricant oil droplets on pre-ignition in turbocharged DISI engines

    Huang, Yongcheng / Li, Yaoting / Zhang, Wenjia et al. | SAGE Publications | 2018
    A skeletal chemical kinetic model for the simulation of auto-ignition and flame propagation characteristics of primary reference fuel (PRF ...
    Schlagwörter: Skeletal chemical kinetic model

    Model-based calibration of reaction-based diesel combustion dynamics

    Men, Yifan / Haskara, Ibrahim / Wang, Yue-Yun et al. | SAGE Publications | 2018
    , uses a two-step chemical reaction mechanism that consists of six species: diesel fuel (C10.8H18.7), oxygen (O2 ...

    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 ...

    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 ...

    Factors affecting diesel fuel degradation using a bespoke high-pressure fuel system rig

    Gopalan, Kesavan / Smith, Christopher R / Pickering, Simon G et al. | SAGE Publications | 2018
    effects, were found to increase the rate of degradation but did not change the chemical composition of the solids formed, thus implying that they ...
    Schlagwörter: performance of engines

    Simulations of gasoline engine combustion and emissions using a chemical-kinetics-based turbulent premixed combustion modeling approach

    Yang, Shiyou / Pomraning, Eric / Jia, Ming | SAGE Publications | 2017
    This work presents a turbulent premixed combustion modeling approach which is based on chemical kinetics. In this approach, the smallest ...
    Schlagwörter: chemical kinetics

    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 ...

    A characteristic study and optimization of in-cylinder configuration for particulate matters reduction in an off-highway diesel engine with mechanical fuel injection system

    Lee, Jongyoon / Lee, Sangyul / Park, Jeongkeun et al. | SAGE Publications | 2017
    ) model is employed for spray breakup and a reduced chemical mechanism for n-heptane is employed to simulate ignition delay and combustion of ...

    Adaptive fast nonsingular terminal sliding mode control of Lorentz-augmented spacecraft relative motion

    Huang, Xu / Yan, Ye / Zhou, Yang | SAGE Publications | 2016
    traditional chemical propulsion is proposed. Furthermore, the stability of the closed-loop control system is proved via a Lyapunov-based approach ...

    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 ...

    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 ...

    Soot and nitric oxide modeling in reacting diesel jets with an unsteady flamelet progress variable model

    Yen, May / Abraham, John | SAGE Publications | 2016
    In this work, computations of soot and nitric oxide in reacting diesel jets are carried out for a wide range of conditions by employing a ...

    Uncertainty in maritime risk analysis: Extended case study on chemical tanker collisions

    Sormunen, Otto-Ville E / Goerlandt, Floris / Häkkinen, Jani et al. | SAGE Publications | 2015
    article discusses a case study dealing with risk analysis for a chemical spill in the Gulf of Finland and analyses the related uncertainties by ...
    Schlagwörter: Chemical tankers , Gulf of Finland

    Effect of heat transfer on the reduction of the detailed chemical kinetics mechanism in a homogeneous charge compression ignition combustion engine

    Bahlouli, Keyvan / Saray, R Khoshbakhti / Atikol, Ugur | SAGE Publications | 2015
    cylinder to deteriorate. These conditions are governed by the interaction of the chemical processes with the temperature and pressure changes in ...

    Influence of chemical models on heat flux for EXPERT and Orion capsules

    Morsa, Luigi / Zuppardi, Gennaro / Votta, Raffaele et al. | SAGE Publications | 2014
    flux predicted by DS2V is always higher than that predicted by H3NS. Therefore, a sensitivity analysis of the chemical models on the heat flux ...
    Schlagwörter: Park chemical model , Gupta chemical model

    Numerical study on the nitrogen oxide emissions of biodiesel–diesel blends in a light-duty diesel engine

    Li, Juncheng / Han, Zhiyu / Shen, Cai et al. | SAGE Publications | 2014
    The nitrogen oxide emissions characteristics of biodiesel–diesel blends in a light-duty diesel engine operating at a moderate load are ...
    Schlagwörter: chemical kinetics

    A field test study of leaf contamination on railhead surfaces

    Zhu, Yi / Olofsson, Ulf / Nilsson, Rickard | SAGE Publications | 2014
    spectroscopy for chemical analysis and glow discharge optical emission spectrometry were conducted to determine the composition of the top layer of ...