1–20 von 75 Ergebnissen
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    Numerical Simulation of the Gasoline Spray with an Outward-Opening Piezoelectric Injector: A Comparative Study of Different Breakup Models

    Zhao, Hua / Wang, Xinyan | SAE Technical Papers | 2018
    , having attracted great attentions in direct injection gasoline engines. In order to realise accurate predictions of the gasoline spray with the ...
    Verlag: Society of Automotive Engineers , SAE International

    Effects of Air/Fuel Ratios and EGR Rates on HCCI Combustion of n-heptane, a Diesel Type Fuel

    Zhao, Hua / Ladommatos, Nicos / Peng, Zhijun | SAE Technical Papers | 2003
    The effects of Air/Fuel (A/F) ratios and Exhaust Gas Re-Circulation (EGR) rates on Homogeneous Charge Compression Ignition (HCCI ...
    Verlag: Society of Automotive Engineers , SAE International

    Effect of an ORC Waste Heat Recovery System on Diesel Engine Fuel Economy for Off-Highway Vehicles

    Karvountzis-Kontakiotis, Apostolos / Pesiridis, Apostolos / Franchetti, Benjamin et al. | SAE Technical Papers | 2017
    Modern heavy duty diesel engines can well extend the goal of 50% brake thermal efficiency by utilizing waste heat recovery (WHR ...
    Verlag: Society of Automotive Engineers , SAE International

    Characterization and Potential of Premixed Dual-Fuel Combustion in a Heavy Duty Natural Gas/Diesel Engine

    Cairns, Alasdair / Wong, Hoi / Zhao, Hua et al. | SAE Technical Papers | 2016
    engines substitute NG in place of diesel for decreased NOx and soot emissions, but suffer from high engine-out methane (CH4) emissions. Premixed ...
    Verlag: Society of Automotive Engineers , SAE International

    Experimental Investigation of Combustion and Emission Characteristics of the Direct Injection Dimethyl Ether Enabled Micro-Flame Ignited (MFI) Hybrid Combustion in a 4-Stroke Gasoline Engine

    He, Bang-Quan / Li, Hongtao / Zhao, Hua et al. | SAE Technical Papers | 2018
    ’ efficiency and simultaneously achieve ultra-low NOx emissions. Two of the primary obstacles for applying CAI combustion are the control of combustion ...
    Verlag: Society of Automotive Engineers , SAE International

    Analysis of the Effect of Intake Plenum Design on the Scavenging Process in a 2-Stroke Boosted Uniflow Scavenged Direct Injection Gasoline (BUSDIG) Engine

    Zhao, Hua / Ma, Jun / Wang, Xinyan | SAE Technical Papers | 2017
    In this study, the effect of the intake plenum design on the scavenging process in a newly proposed 2-stroke Boosted Uniflow Scavenged ...
    Verlag: Society of Automotive Engineers , SAE International

    The Application of Controlled Auto-Ignition Gasoline Engines -The Challenges and Solutions

    He, Bang-Quan / Bai, Honglin / Zhao, Hua et al. | SAE Technical Papers | 2019
    simultaneously reduce the fuel consumption and nitrogen oxides emissions of gasoline engines. However, narrow operating region in loads and speeds is one ...
    Verlag: Society of Automotive Engineers , SAE International

    Potentials of External Exhaust Gas Recirculation and Water Injection for the Improvement in Fuel Economy of a Poppet Valve 2-Stroke Gasoline Engine Equipped with a Two-Stage Serial Charging System

    He, Bang-Quan / Zhao, Hua / Xu, Sipeng et al. | SAE Technical Papers | 2018
    Engine downsizing is one of the most effective means to improve the fuel economy of spark ignition (SI) gasoline engines because of lower ...
    Verlag: Society of Automotive Engineers , SAE International

    Study of Flame Speed and Knocking Combustion of Gasoline, Ethanol and Hydrous Ethanol (10% Water) at Different Air/Fuel Ratios with Port-Fuel Injection

    Feng, Dengquan / Vafamehr, Hassan / Zhao, Hua et al. | SAE Technical Papers | 2018
    In this paper, an experimental study was performed to investigate characteristics of flame propagation and knocking combustion of hydrous ...
    Verlag: Society of Automotive Engineers , SAE International

    Experimental Investigation of Combustion and Emission Characteristics of Stoichiometric Stratified Flame Ignited (SFI) Hybrid Combustion in a 4-Stroke PFI/DI Gasoline Engine

    He, Bang-Quan / Bai, Honglin / Li, Hongtao et al. | SAE Technical Papers | 2019
    Controlled Auto-Ignition (CAI), also known as Homogeneous Charge Compression Ignition (HCCI), can improve the fuel economy of gasoline ...
    Verlag: Society of Automotive Engineers , SAE International

    Exploring the NOx Reduction Potential of Miller Cycle and EGR on a HD Diesel Engine Operating at Full Load

    Zhao, Hua / Lin, Tiejian / Pedrozo, Vinícius et al. | SAE Technical Papers | 2018
    The reduction in nitrogen oxides (NOx) emissions from heavy-duty diesel engines requires the development of more advanced combustion and ...
    Verlag: Society of Automotive Engineers , SAE International

    Investigation of Early and Late Intake Valve Closure Strategies for Load Control in a Spark Ignition Ethanol Engine

    Zhao, Hua / Nora, Macklini Dalla / Lanzanova, Thompson | SAE Technical Papers | 2017
    The more strict CO2 emission legislation for internal combustion engines demands higher spark ignition (SI)engine efficiencies. The use of ...
    Verlag: Society of Automotive Engineers , SAE International

    Evaluations of Scavenge Port Designs for a Boosted Uniflow Scavenged Direct Injection Gasoline (BUSDIG) Engine by 3D CFD Simulations

    Zhao, Hua / Ma, Jun / Wang, Xinyan | SAE Technical Papers | 2016
    mean effective pressure (IMEP) and peak in-cylinder pressure with the same output toque compared to the 4-stroke engine. With the aid of new ...
    Verlag: Society of Automotive Engineers , SAE International

    The Influence of Intake Port and Pent-Roof Structures on Reversed Tumble Generation of a Poppet-Valved Two-Stroke Gasoline Engine

    He, Bang-quan / Zhao, Hua / Li, Zhihua | SAE Technical Papers | 2014
    In order to minimize short-circuiting of the intake charge in the poppet-valved 2-stroke engine, measures are taken to generate reversed ...
    Verlag: Society of Automotive Engineers , SAE International

    Study of Polycyclic Aromatic Hydrocarbons Evolution Processing in GDI Engines Using TRF-PAH Chemical Kinetic Mechanism

    Liu, Bin / Zhao, Hua / Qin, Jing et al. | SAE Technical Papers | 2016
    In the present study, we developed a reduced TRF-PAH chemical reaction mechanism consisted of iso-octane, n-heptane and toluene as gasoline ...
    Verlag: Society of Automotive Engineers , SAE International

    Effect of a Split-Injection Strategy on the Atomisation Rate Using a High Pressure Gasoline DI Injector

    Zhao, Hua / Dhanji, Meghnaa Paresh | SAE Technical Papers | 2020
    The Gasoline direct-injection (GDI) engine can emit high levels of particulate matter and unburned Hydrocarbons when operating under ...
    Verlag: Society of Automotive Engineers , SAE International

    Lubricant Induced Pre-Ignition in an Optical SI Engine

    Cairns, Alasdair / Zhao, Hua / Williams, John et al. | SAE Technical Papers | 2014
    This work was concerned with study of lubricant introduced directly into the combustion chamber and its effect on pre-ignition and ...
    Verlag: Society of Automotive Engineers , SAE International

    Analysis of Gaseous and PM Emissions of 4-Stroke CAI/HCCI and SI Combustion in a DI Gasoline Engine

    Zhao, Hua / Ojapah, Mohammed Moore / Zhang, Yan | SAE Technical Papers | 2013
    charge combustion, and Controlled Auto Ignition (CAI). However, due to the limited time available for complete fuel evaporation and the mixing of ...
    Verlag: Society of Automotive Engineers , SAE International

    Combustion Characteristics of CAI Combustion with Alcohol Fuels

    Zhao, Hua / Tongroon, Manida | SAE Technical Papers | 2010
    been subject to continuous research in the last several years. At the same time, there has been a lot of interest in the use of alternative ...
    Verlag: Society of Automotive Engineers , SAE International

    Computational Study of the Effects of Injection Timing, EGR and Swirl Ratio on a HSDI Multi-Injection Diesel Engine Emission and Performance

    Zhao, Hua / Ladommatos, N. / Zhu, Y. | SAE Technical Papers | 2003
    between these methods when they are simultaneously used in the engine.This study presents a computational study of both the individual effect and ...
    Verlag: Society of Automotive Engineers , SAE International