Danilo Engelmann
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View article: Emissions of Volatile Methyl Siloxanes (VMSs) from Vehicles
Emissions of Volatile Methyl Siloxanes (VMSs) from Vehicles Open
Volatile Methyl Siloxanes (VMSs) are anthropogenic molecules emitted from personal care products and industrial chemical products. Recent studies have found that concentrations of VMSs tend to be higher in densely populated urban areas, al…
View article: Potential of PN Reduction in Passenger Cars with DPF and GPF
Potential of PN Reduction in Passenger Cars with DPF and GPF Open
Particle number concentration (PN) in vehicle exhaust and ambient air describes the number of ultrafine particles (UFPs) below 500 nm, which are recognized as a toxic and carcinogenic component of pollution and are regulated in several cou…
View article: Nanoparticle Counting for PTI - the Dirty Tail Paradigm
Nanoparticle Counting for PTI - the Dirty Tail Paradigm Open
Using solid particle number (PN) measurements in the European Periodic Technical Inspection (PTI) of diesel engines equipped with particulate filters was proposed by VERT in 2016 during the Dieselgate Hearing of the Federal Republic of Ger…
View article: Use of hydrogen fuel in drive systems of rail vehicles
Use of hydrogen fuel in drive systems of rail vehicles Open
The search for substitutes for modern fossil fuels incentivises the use of new propulsion systems (hybrid or electric) and the use of new fuels (gaseous, mainly hydrogen). The article discusses the basic issues related to hydrogen fuel: fr…
View article: Influence of Charging Losses on Energy Consumption and CO2 Emissions of Battery-Electric Vehicles
Influence of Charging Losses on Energy Consumption and CO2 Emissions of Battery-Electric Vehicles Open
Due to increasing sales figures, the energy consumption of battery-electric vehicles is moving further into focus. In addition to efficient driving, it is also important that the energy losses during AC charging are as low as possible for …
View article: Real Driving Emissions in Extended Driving Conditions
Real Driving Emissions in Extended Driving Conditions Open
The real driving emission (RDE) testing for certification of vehicles is performed in conditions that are well defined in legislation. For emissions inventories and for research, the influences of some extended driving conditions on emissi…
View article: Influences of special driving situations on emissions of passenger cars
Influences of special driving situations on emissions of passenger cars Open
Testing of real driving emissions (RDE) offers the opportunity to collect the data about the emissions in special driving, or non-driving situations. These situations are: cold start, warm-up of the engine, stop & go and idling. In the pre…
View article: Non-Regulated Emissions and PN of Two Passenger Cars with Diesel-Butanol Blends
Non-Regulated Emissions and PN of Two Passenger Cars with Diesel-Butanol Blends Open
Biofuels represent one of the alternatives to obtain the CO2-neutral propulsion of IC-engines. Butanol, which can be produced from biomass, is considered and was investigated in the last years due to the very advantageous characteristics o…
View article: Transferring agricultural machines from field to the laboratory for emission check
Transferring agricultural machines from field to the laboratory for emission check Open
Mobile machines are very versatile and different in their design and in the tasks they can handle. Tractors for example can be combined with different implements to work in agricultural processes. This variety must be considered during dev…
View article: Combustion and Emissions of a Small SI Engine with Buthanol Blend Fuels
Combustion and Emissions of a Small SI Engine with Buthanol Blend Fuels Open
The bioalcohols are an important alternative in the general efforts to replace the fossil fuels in transportation by renewable fuels. The global share of Bioethanol used for transportation is continuously increasing. Butanol, a four-carbon…
View article: Testing and evaluating real driving emissions with PEMS
Testing and evaluating real driving emissions with PEMS Open
Testing of real driving emissions (RDE) with portable emission measuring system (PEMS) in an appropriate road circuit became an obligatory element of new type approval of passenger cars since September 2017. In several projects the Laborat…
View article: Non-legislated emissions and PN of two passenger cars with gasoline-butanol blends
Non-legislated emissions and PN of two passenger cars with gasoline-butanol blends Open
Increasing the sustainability of individual transportation and replacing a part of fossil energy in traffic by renewable energy carriers are worldwide important objectives. Bioalcohols are generally recognized as one of very useful alterna…
View article: LT3 Drive: substitution of differentials in the drivetrain
LT3 Drive: substitution of differentials in the drivetrain Open
The basic principle of the LT3 drive system is a planetary gearing with a rotatable ring gear. Rolling piston cylinders enable this rotation by acting on the cam disk shaped outside of the ring gear which fix or loosen the ring gear accord…
View article: Testing and Benchmarking a Powertrain with Independent Wheel Control for Heavy Machinery
Testing and Benchmarking a Powertrain with Independent Wheel Control for Heavy Machinery Open
This paper treats about “Line Traction 3” (LT3), which is a mechatronic driveline for heavy machinery like agricultural tractors, combines, or wheel loaders. LT3 is expected to improve the performance and augment new functions to the exist…