@misc{WalterSchwanzerHagenetal., author = {Walter, Stefanie and Schwanzer, Peter and Hagen, Gunter and Rabl, Hans-Peter and Dietrich, Markus and Moos, Ralf}, title = {Combined Ash and Soot Monitoring in Gasoline Particulate Filters with a Radio-Frequency-Based Sensor}, series = {SAE World Congress Experience, April 5-7, 2022, Detroit, Michigan, USA}, journal = {SAE World Congress Experience, April 5-7, 2022, Detroit, Michigan, USA}, abstract = {In recent years, it turned out that primarily the number of ultrafine particles and not their mass is relevant in terms of harmful health effects. Therefore, exhaust emission standards are constantly being tightened with regard to the particulate number. To meet the emission limits, particulate filters have become necessary for gasoline engines. Similar to diesel applications, gasoline particulate filters (GPFs) can be monitored via differential pressure measurement or via a radio-frequency approach (RF-sensor). The latter is based on the influence of the soot conductivity on the electromagnetic field. To control the GPF, ash detection is of crucial importance besides the soot load monitoring. With the differential pressure system, this is only possible with high uncertainties due to the low pressure increase caused by ash. The RF-sensor, however, has already demonstrated its potential for ash detection in diesel applications. In order to verify the applicability of the system for GPFs, filters were loaded via a method for fast ash loading. Thereby, it was shown that by evaluating resonant modes - especially the resonant frequency - the ash loading can easily be measured as long as the filter is soot-unloaded. In contrast, soot loading can be determined independently from this by considering a frequency-averaged transmission signal between the antennas of the RF-sensor. Using a setup for radio-frequency material characterization, the dielectric parameters of the generated ash were also measured. In comparison with the properties of the synthetic soot PrintexU, ash showed significantly lower dielectric losses. Thus, the evaluation of the loss-dependent quality factor, which is only possible at low soot loadings, allows a precise conclusion whether the filter is completely soot-free. Furthermore, using synthetic soot loading, it could be shown that soot detection via the averaged transmission signal is not affected by ash. In summary, it could be shown that with the RF-sensor, ash and soot can be simultaneously detected.}, language = {en} } @misc{AltmannGadererRabl, author = {Altmann, Robert and Gaderer, Matthias and Rabl, Hans-Peter}, title = {Pr{\"u}fstandsuntersuchungen an einem DEUTZ NRMM Motor mit Raps{\"o}lkraftstoff und Optimierung des Betriebs- und Emissionsverhaltens durch statistische Versuchsplanung}, series = {18. Internationaler Fachkongress "Kraftstoffe der Zukunft 2021" - digital \& international vernetzt!, online}, journal = {18. Internationaler Fachkongress "Kraftstoffe der Zukunft 2021" - digital \& international vernetzt!, online}, language = {de} } @misc{Sterner, author = {Sterner, Michael}, title = {Gas aus einer Gesamtenergieversorgungsperspektive - Warum wir Power-to-X f{\"u}r die Klimaneutralit{\"a}t brauchen}, series = {Kopernikus-Konferenz Projekt "Ensure" (Deutsche Umwelthilfe), 15. April 2021}, journal = {Kopernikus-Konferenz Projekt "Ensure" (Deutsche Umwelthilfe), 15. April 2021}, language = {de} } @misc{SternerSchumm, author = {Sterner, Michael and Schumm, Leon}, title = {Netzpuffer - Speicher \& Kraftwerke als virtuelle Leitungen f{\"u}r mehr Versorgungssicherheit und EE-Integration in Nord und S{\"u}d}, series = {7. Smart-Grid-Fachtagung WAGO, Hannover, 29. Sept. 2021}, journal = {7. Smart-Grid-Fachtagung WAGO, Hannover, 29. Sept. 2021}, language = {de} } @misc{Sterner, author = {Sterner, Michael}, title = {Gr{\"u}ner Wasserstoff - wo wir ihn brauchen f{\"u}r die Klimaneutralit{\"a}t}, series = {Energiewendeforum Wasserstoff (Gr{\"u}ner Strom Label e. V.), Bonn, 21. September 2021}, journal = {Energiewendeforum Wasserstoff (Gr{\"u}ner Strom Label e. V.), Bonn, 21. September 2021}, language = {de} } @misc{Sterner, author = {Sterner, Michael}, title = {Wie wird Deutschland klimaneutral? Neue L{\"o}sungen f{\"u}r erneuerbare Energieerzeugung}, series = {Jahreskonferenz der Stiftung Nagelschneider zur Erforschung, M{\"u}nchen, 19.11.2021}, journal = {Jahreskonferenz der Stiftung Nagelschneider zur Erforschung, M{\"u}nchen, 19.11.2021}, address = {M{\"u}nchen}, language = {de} } @misc{Sterner, author = {Sterner, Michael}, title = {Power-to-X for Europes Energy Transformation - Booster H2Global}, series = {Hydrogen Online Workshop Conference (Mission Hydrogen), 25.03.2021}, journal = {Hydrogen Online Workshop Conference (Mission Hydrogen), 25.03.2021}, language = {en} } @misc{Sterner, author = {Sterner, Michael}, title = {Technologieausblick Solarstromspeicher}, series = {Innovationsforum Photovoltaik, 18. Oktober 2021, Linz}, journal = {Innovationsforum Photovoltaik, 18. Oktober 2021, Linz}, language = {de} } @misc{Sterner, author = {Sterner, Michael}, title = {Die Grenzen des Wasserstoff-Hypes}, series = {1. Mitteldeutscher Wasserstoffkongress, 2. November 2021, Leuna CCE Kulturhaus}, journal = {1. Mitteldeutscher Wasserstoffkongress, 2. November 2021, Leuna CCE Kulturhaus}, language = {de} } @misc{SternerHeberl, author = {Sterner, Michael and Heberl, Michael}, title = {The ORBIT-Project: Biological methanation in a trickle-bed reactor - key results and next steps}, series = {5th Nuremberg Workshop on Methanation and 2nd Generation, N{\"u}rnberg Friedrich-Alexander-Universit{\"a}t, 28.05.2021}, journal = {5th Nuremberg Workshop on Methanation and 2nd Generation, N{\"u}rnberg Friedrich-Alexander-Universit{\"a}t, 28.05.2021}, organization = {Friedrich-Alexander-Universit{\"a}t Erlangen-N{\"u}rnberg / Lehrstuhl f{\"u}r Energieverfahrenstechnik}, language = {en} } @misc{Sterner, author = {Sterner, Michael}, title = {Strom - W{\"a}rme - Verkehr - Industrie: das Zusammenspiel der Sektoren {\"u}ber Power-to-X}, series = {Deutscher Ingenieurtag 2021, D{\"u}sseldorf 20. Mai 2021}, journal = {Deutscher Ingenieurtag 2021, D{\"u}sseldorf 20. Mai 2021}, publisher = {VDI-Verlag}, language = {de} } @misc{SchwanzerMieslingerRabletal., author = {Schwanzer, Peter and Mieslinger, Johann and Rabl, Hans-Peter and Dietrich, Markus and Haft, Gerhard and Walter, Stefanie and Hagen, Gunter and Moos, Ralf and Gaderer, Matthias}, title = {Monitoring of a Particulate Filter for Gasoline Direct Injection Engines with a Radio-Frequency-Sensor}, series = {11th International Exhaust Gas and Particulate Emissions Forum, 3.-4.3.2020, Ludwigsburg, Germany}, journal = {11th International Exhaust Gas and Particulate Emissions Forum, 3.-4.3.2020, Ludwigsburg, Germany}, abstract = {In order to comply with future emission regulations, the use of particulate filters in vehicles with direct injection gasoline engines is essential. The current amount of soot and ash in the filter is calculated by a soot load model in the electronic control unit in combination with a differential pressure sensor determining the pressure drop over the particulate filter. Active regeneration is initiated if the calculated amount of soot or the measured differential pressure is too high. This is associated with additional fuel consumption. An on-board diagnosis for the particulate filter is currently not part of the Euro 6d emission standard. For future exhaust emission standards, on-board diagnosis or active monitoring of the particulate filter is conceivable. One of the benefits of monitoring is the fact that unnecessary active regenerations can be avoided. As a result, there is no additional fuel consumption due to misinterpretations of the amount of soot in the filter. For active monitoring of the particulate filter, a radiofrequency (RF-) sensor, that detects the soot loading of the filter with electromagnetic waves directly, can be used. Such a system has the advantage that by utilizing the filter as a sensor more precise information about the current state of the filter, e.g. a possible damage, can be provided. Worst-case considerations of filter damages, tested at an engine test bench show the advantages which are entailed by a system like that. By means of partial regeneration of the particulate filter it is demonstrated how the remaining amount of soot in the filter can be detected in a better way in comparison to the differential pressure sensor by using the RF-sensor.}, language = {en} } @misc{Sterner, author = {Sterner, Michael}, title = {Ohne Speicher, Wasserstoff und Power-to-X keine Dekarbonisierung von Verkehr und Industrie - M{\"o}glichkeiten und Notwendigkeit der integrierten Sektorenkopplung}, series = {CIGRE/CIRED Informationsveranstaltung 2020, Leipzig, 13.10.2020}, journal = {CIGRE/CIRED Informationsveranstaltung 2020, Leipzig, 13.10.2020}, language = {de} } @misc{Sterner, author = {Sterner, Michael}, title = {Power-to-Gas technologies in the energy sector and their role in the fight against climate change}, series = {Hungarian Power-to-Gas REKK Forum, Budapest Corvinus University, 12.02.2020}, journal = {Hungarian Power-to-Gas REKK Forum, Budapest Corvinus University, 12.02.2020}, language = {en} } @misc{Sterner, author = {Sterner, Michael}, title = {Die Rolle von Wasserstoff in allen Sektoren}, series = {Sektoren{\"u}bergreifende Erkenntnisse zu PtX Fachforum "Wasserstoff Technologie, Prozesssicherheit und Regionalentwicklung", Kurt-Schwabe-Institut f{\"u}r Mess- und Sensortechnik Meinsberg e.V.) Meinsberg, 23.9.2020}, journal = {Sektoren{\"u}bergreifende Erkenntnisse zu PtX Fachforum "Wasserstoff Technologie, Prozesssicherheit und Regionalentwicklung", Kurt-Schwabe-Institut f{\"u}r Mess- und Sensortechnik Meinsberg e.V.) Meinsberg, 23.9.2020}, language = {de} } @misc{Sterner, author = {Sterner, Michael}, title = {Power-to-X im Kontext der Energiewende und des Klimaschutzes in Deutschland}, series = {Hydrogen Dialogue H2.Bayern, 18.11.2020, N{\"u}rnberg Friedrich-Alexander-Universit{\"a}t}, journal = {Hydrogen Dialogue H2.Bayern, 18.11.2020, N{\"u}rnberg Friedrich-Alexander-Universit{\"a}t}, language = {de} } @misc{Sterner, author = {Sterner, Michael}, title = {Bedeutung des Klimaschutzes f{\"u}r die Wirtschaft in Ostbayern}, series = {Veranstaltungsreihe der Freunde der OTH Regensburg e. V., Regensburg, Regensburg 25.11.2020}, journal = {Veranstaltungsreihe der Freunde der OTH Regensburg e. V., Regensburg, Regensburg 25.11.2020}, language = {de} } @misc{Sterner, author = {Sterner, Michael}, title = {Vom Klimaschutz zum Wasserstoff in Verkehr und Industrie - jetzt regional handeln}, series = {Kick-Off Workshop: HyExpert Wasserstoffmodellregion Fichtelgebirge, Wunsiedel, 22.09.2020}, journal = {Kick-Off Workshop: HyExpert Wasserstoffmodellregion Fichtelgebirge, Wunsiedel, 22.09.2020}, language = {de} } @misc{Sterner, author = {Sterner, Michael}, title = {Wasserstoff als zentraler Baustein der Energiewende in S{\"u}ddeutschland: Powerto- Gas und der rechtliche Rahmen}, series = {1. Wasserstofftag S{\"u}ddeutschland, Um 29.10.2020}, journal = {1. Wasserstofftag S{\"u}ddeutschland, Um 29.10.2020}, language = {de} } @misc{Sterner, author = {Sterner, Michael}, title = {Warum wir Power-to-X f{\"u}r die Klimaneutralit{\"a}t und Mobilit{\"a}tswende brauchen}, series = {DECHEMA Fachforum Diesel: Mobilit{\"a}tswende durch alternative Antriebe und Kraftstoffe:, Frankfurt 02.12.2020}, journal = {DECHEMA Fachforum Diesel: Mobilit{\"a}tswende durch alternative Antriebe und Kraftstoffe:, Frankfurt 02.12.2020}, language = {de} }