1–20 von 28 Ergebnissen
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    Particle Size Distribution Measurements of Neat and Water-Emulsified Oxymethylene Ethers in a Heavy-Duty Diesel Engine

    Wachtmeister, Georg / Härtl, Martin / Dworschak, Patrick et al. | SAE Technical Papers | 2020
    to the nature of diffusive combustion. The modification of fuel properties has drawn much attention since these methods offer additional ...
    Verlag: Society of Automotive Engineers , SAE International

    Development of a Measuring System for the Visualization of the Oil Film between the Piston and Cylinder Liner of a Gasoline Engine

    Kirner, Claus / Wachtmeister, Georg / Schäffer, Julian et al. | SAE Technical Papers | 2019
    The design of cylinder liners, pistons, and piston rings is subject to different conflicting goals. In addition to a loss-free seal of the ...
    Verlag: Society of Automotive Engineers , SAE International

    Investigation of a Methane Scavenged Prechamber for Increased Efficiency of a Lean-Burn Natural Gas Engine for Automotive Applications

    Wachtmeister, Georg / Baumgartner, Laura Sophie / Wohlgemuth, Sebastian et al. | SAE Technical Papers | 2015
    Scarce resources of fossil fuels and increasingly stringent exhaust emission legislation push towards a stronger focus to alternative fuels ...
    Verlag: Society of Automotive Engineers , SAE International

    Experimental Analysis of Gasoline Direct Injector Tip Wetting

    Backes, Fabian / Wachtmeister, Georg / Härtl, Martin et al. | SAE Technical Papers | 2019
    and at end of injection or distortions of the spray result in direct contact of the fuel spray with the step-hole wall. Additionally, fuel ...
    Verlag: Society of Automotive Engineers , SAE International

    Friction Analysis of Oil Control Rings during Running-In

    Wachtmeister, Georg / Kunkel, Sebastian / Zimmer, Thomas | SAE Technical Papers | 2012
    This SAE Technical Paper will give a summary of the detailed results of crank-angle-resolved friction measurements which were carried out ...
    Verlag: Society of Automotive Engineers , SAE International

    Analysis of the Mixed Friction in the Piston Assembly of a SI Engine

    Merkle, Andre / Wachtmeister, Georg / Kunkel, Sebastian | SAE Technical Papers | 2012
    Presented within the framework of this SAE Technical Paper are the highly accurate results of friction experiments, performed upon a ...
    Verlag: Society of Automotive Engineers , SAE International

    A New Cavitation Algorithm to Support the Interpretation of LIF Measurements of Piston Rings

    Ruch, Fabian H. / Wachtmeister, Georg | SAE Technical Papers | 2020
    , e.g. an exact representation of piston ring barrel shapes. In order to investigate the responsible lubrication effects of this behavior, a new ...
    Verlag: Society of Automotive Engineers , SAE International

    Co-Simulation Study of the Split-Crankshaft Engine’s Electromechanical Clutch Unit

    Wachtmeister, Georg / Pflaum, Hermann / Stahl, Karsten et al. | SAE Technical Papers | 2018
    The main objective of active downsizing is to increase the power train efficiency. In order to consistently enhance an approach of active ...
    Verlag: Society of Automotive Engineers , SAE International

    Development of a High Turbulence, Low Particle Number, High Injection Pressure Gasoline Direct Injection Combustion System

    Backes, Fabian / Wachtmeister, Georg / Sauerland, Henning et al. | SAE Technical Papers | 2016
    In the present work the benefit of a 50 MPa gasoline direct injection system (GDI) in terms of particle number (PN) emissions as well as ...
    Verlag: Society of Automotive Engineers , SAE International

    Design of an Endoscopic Fully Optically Accessible High-Speed Large-Bore Engine

    Klier, Bernhard / Wachtmeister, Georg / Röhrle, Hannes et al. | SAE Technical Papers | 2022
    Rising engine efficiency and exhaust limitations demand a deeper knowledge of the combustion process. State-of-the-art ...
    Verlag: Society of Automotive Engineers , SAE International

    Development of a 3rd Generation SCR NH3-Direct Dosing System for Highly Efficient DeNOx

    Heubuch, Alexander / Hammer, Benedikt / Schulz, Bernd et al. | SAE Technical Papers | 2012
    ammonia precursor solution based on guanidine salts had been completely characterized and secondly a new type of side-flow reactor for the ...
    Verlag: Society of Automotive Engineers , SAE International

    Holistic Analysis of a Mild Hybrid Waste Heat Recovery System for Commercial Vehicles

    Schweizer, Fabian / Wachtmeister, Georg / Swoboda, Jan | SAE Technical Papers | 2021
    To further reduce fuel consumption and CO2 emissions of heavy-duty vehicles, recovering waste heat from the engine’s ...
    Verlag: Society of Automotive Engineers , SAE International

    Setting Up a Measuring Device to Determine the Friction of the Piston Assembly

    Wachtmeister, Georg / Werner, Martin / Kunkel, Sebastian | SAE Technical Papers | 2011
    This SAE Technical Paper gives a summary of the essential findings in the development and operation of a test engine dedicated to the ...
    Verlag: Society of Automotive Engineers , SAE International

    The Effect of Inlet Valve Timing and Engine Speed on Dual Fuel NG-Diesel Combustion in a Large Bore Engine

    Wachtmeister, Georg / Prager, Maximilian / Stegmann, Richard et al. | SAE Technical Papers | 2018
    High load (18 bar IMEP) dual fuel combustion of a premixed natural gas/air charge ignited by directly injected diesel fuel was studied in a ...
    Verlag: Society of Automotive Engineers , SAE International

    Potential and Challenges of a 3000 Bar Common-Rail Injection System Considering Engine Behavior and Emission Level

    Wachtmeister, Georg / Wloka, Johann A. / Pflaum, Sebastian | SAE Technical Papers | 2010
    The paper presents a study on the influence of increased rail pressure on the flow field of an injector nozzle at pressures of up to 3200 ...
    Verlag: Society of Automotive Engineers , SAE International

    Heat Release Calculation of Internal Combustion Engines by Analyzing the Flame Radiation with Crankshaft Angle Resolution

    Von Imhoff, Benedikt / Wachtmeister, Georg / Mühlthaler, Markus | SAE Technical Papers | 2017
    Improving efficiency and reducing emissions are the principal challenges in developing new generations of internal combustion engines ...
    Verlag: Society of Automotive Engineers , SAE International

    Development of an Optical Investigation Method for Diesel and Oxymethylene Ether Spray in a Large-Bore Dual-Fuel Engine Using a Fisheye Optical System

    Wachtmeister, Georg / Jaensch, Malte / Prager, Maximilian et al. | SAE Technical Papers | 2022
    due to the technically more complex design of the optical accesses that have to provide a larger field ...
    Verlag: Society of Automotive Engineers , SAE International

    Oxymethylene Ethers: Quantifying the Effect of Fuel Chain Length and Water Emulsification on Emissions and Combustion in a Heavy-Duty Diesel Engine via Linear Regression Analysis

    Wachtmeister, Georg / Härtl, Martin / Dworschak, Patrick | SAE Technical Papers | 2021
    Due to the nature of diffusive combustion, diesel engines display a distinct trade-off between nitrogen oxide (NOX) and particulate matter ...
    Verlag: Society of Automotive Engineers , SAE International

    Potential Analysis of a DMC/MeFo Mixture in a DISI Single and Multi-Cylinder Light Vehicle Gasoline Engine

    Gadomski, Bartosch / Kraus, Christoph / Thamm, Fabian et al. | SAE Technical Papers | 2021
    In this study a mixture of dimethyl carbonate (DMC) and methyl formate (MeFo) was used as a synthetic gasoline ...
    Verlag: Society of Automotive Engineers , SAE International

    Analysis of the Piston Group Friction in a Single-Cylinder Gasoline Engine When Operated with Synthetic Fuel DMC/MeFo

    Kraus, Christoph / Wachtmeister, Georg / Binder, Jürgen et al. | SAE Technical Papers | 2022
    gasoline in spark-ignition (SI) engines. In this study, a mixture of 65% DMC and 35% MeFo (C65F35) was used in a single-cylinder research engine to ...
    Verlag: Society of Automotive Engineers , SAE International