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View article: The potential of ammonia as visible and non-intrusive chemiluminescence dye for hydrogen flame localization
The potential of ammonia as visible and non-intrusive chemiluminescence dye for hydrogen flame localization Open
Understanding and mitigating limiting combustion phenomena, such as pre-ignition and knocking (termed combustion anomalies), is essential for establishing hydrogen as a viable fuel or blend component. Optically accessible engines are commo…
View article: 3D-CFD-Based optimization of piston Geometry, injector nozzle Design, and injection strategy for the alternative diesel fuel Oxymethylene ether (OME)
3D-CFD-Based optimization of piston Geometry, injector nozzle Design, and injection strategy for the alternative diesel fuel Oxymethylene ether (OME) Open
View article: Combining electrification and alternative fuels: an effective strategy to decarbonize the car sector
Combining electrification and alternative fuels: an effective strategy to decarbonize the car sector Open
The emissions trajectory of the car sector remains misaligned with the Paris climate goals, largely due to the persistently high emissions from the global fleet of internal combustion engine vehicles. Therefore, we assess the potential imp…
View article: Fuel slip in hydrogen-powered port-fuel-injected large-bore stationary engines under stable operation and in the presence of combustion anomalies
Fuel slip in hydrogen-powered port-fuel-injected large-bore stationary engines under stable operation and in the presence of combustion anomalies Open
View article: Endoscopic visualization of backfire behavior in a medium speed maritime hydrogen engine
Endoscopic visualization of backfire behavior in a medium speed maritime hydrogen engine Open
View article: Hydrogen Combustion in ICE, Simulation of Optical Engines, Blow-By and Thermal Losses
Hydrogen Combustion in ICE, Simulation of Optical Engines, Blow-By and Thermal Losses Open
Hydrogen combustion in internal combustion engines is a strongly awaited technology on the way to carbon neutrality, but still with major challenges to takle. There are plenty of combustion anomalies like preignition, backfire, knock and l…
View article: Hydrogen Combustion in ICE, Simulation of Optical Engines, Blow-By and Thermal Losses
Hydrogen Combustion in ICE, Simulation of Optical Engines, Blow-By and Thermal Losses Open
Hydrogen combustion in internal combustion engines is a strongly awaited technology on the way to carbon neutrality, but still with major challenges to takle. There are plenty of combustion anomalies like preignition, backfire, knock and l…
View article: Investigations on particle emissions of large-bore engines powered by natural gas and hydrogen
Investigations on particle emissions of large-bore engines powered by natural gas and hydrogen Open
This research provides the first insights into the particle emissions of large-bore engines powered by natural gas and hydrogen, identifying an increased lubricating oil influence in hydrogen engines.
View article: Verbesserung der Floating-Liner Methode zur Messung der Kolbengruppenreibung durch Einsatz doppelschrägverzahnter Zahnriemen
Verbesserung der Floating-Liner Methode zur Messung der Kolbengruppenreibung durch Einsatz doppelschrägverzahnter Zahnriemen Open
View article: Optical and Thermodynamic Investigations of a Methane- and Hydrogen-Blend-Fueled Large-Bore Engine Using a Fisheye Optical System
Optical and Thermodynamic Investigations of a Methane- and Hydrogen-Blend-Fueled Large-Bore Engine Using a Fisheye Optical System Open
The following paper presents thermodynamic and optical investigations of hydrogen-enriched methane combustion, showing the potential of a hydrogen admixture as a means to decarbonize stationary power generation. The optical investigations …
View article: Computational Investigation on the Performance Increase of a Small Industrial Diesel Engine Regarding the Effects of Compression Ratio, Piston Bowl Shape and Injection Strategy
Computational Investigation on the Performance Increase of a Small Industrial Diesel Engine Regarding the Effects of Compression Ratio, Piston Bowl Shape and Injection Strategy Open
This paper describes the simulative approach to calibrate an already extremely highly turbocharged industrial diesel engine for higher low-speed torque. The engine, which is already operating at its cylinder-pressure maximum, is to achieve…
View article: Experimental comparison between an optical and an all-metal large bore engine
Experimental comparison between an optical and an all-metal large bore engine Open
Rising engine efficiency, increasingly stringent exhaust limits, and the use of synthetic and renewable fuels are all factors that demand a deeper knowledge of the combustion process. State-of-the-art investigations employ optical and lase…
View article: Degradation-Reducing Control for Dynamically Reconfigurable Batteries
Degradation-Reducing Control for Dynamically Reconfigurable Batteries Open
Cascaded circuits such as modular multilevel con-verters (MMC) offer attractive qualities in reconfigurable battery applications. In contrast to conventional hard-wired dc battery packs, the MMC topology loads modules with ac current, whic…
View article: Gaseous emissions of a heavy-duty engine fueled with polyoxymethylene dimethyl ethers (OME) in transient cold-start operation and methods for after-treatment system heating
Gaseous emissions of a heavy-duty engine fueled with polyoxymethylene dimethyl ethers (OME) in transient cold-start operation and methods for after-treatment system heating Open
Cold-start emissions of the sustainable alternative diesel fuel OME are predominantly NO x , formaldehyde, formic acid and unburned OME. Electrical heating in combination with fuel dosing is an effective method for after-treatment system h…
View article: Particle emissions of a heavy-duty engine fueled with polyoxymethylene dimethyl ethers (OME)
Particle emissions of a heavy-duty engine fueled with polyoxymethylene dimethyl ethers (OME) Open
OME as sustainable alternative diesel fuel burns without the agglomeration of soot particles which is the case for fossil and paraffinic diesel fuels. Nuclei mode particles are mainly of a volatile nature and do not survive exhaust aftertr…