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Klaus Lucka
RWTH Aachen University
83Publications
9H-index
320Citations
Publications 83
Newest
#1Hajo HoffmannH-Index: 1
#2Klaus LuckaH-Index: 9
New fuels, new fuel mixtures and, accordingly, new additives constantly enter the market. This increases the number of possible interactions between single components and thus the probability of undesirable chemical reactions increases, such as deposit formation inside the fuel injection system. Furthermore, mixtures of new fuels and old fuels with often yet unknown mixing effects can interact with the numerous components within the fuel leading parts in a vehicle, such as fuel feed pump, fuel l...
#1Bernd Leuchtle (RWTH Aachen University)H-Index: 3
#2Loana Epping (RWTH Aachen University)H-Index: 1
Last.Lars M. Blank (RWTH Aachen University)H-Index: 31
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Abstract Microbial contamination of hydrocarbons, especially fuels, has been intensively investigated, as the contamination leads to quality losses of the fuel or damage and even destruction of storage equipment. Researchers use different microbes for these investigations. Alternative inocula include pure cultures, low diversity mixed cultures or samples from (contaminated) storage tanks. In contrast to chemical investigations, no standards exist regarding the composition and use of the organism...
#1Hajo HoffmannH-Index: 1
Last.Klaus LuckaH-Index: 9
view all 4 authors...
Alongside the well-known injector deposits on the nozzle tips and inside the spray holes, the so-called „external diesel injector deposits“ (EDID), deposits within the injector, so-called „internal diesel injector deposits“ (IDID) have been reported worldwide since 2008 [1-8]. At the same time, the developments in diesel engine technology mainly aimed at fast reacting highly sophisticated injectors in conjunction with steadily increasing injection pressures. This combination enables combustion s...
#1Bernd Leuchtle (RWTH Aachen University)H-Index: 3
#2Wei Xie (RWTH Aachen University)H-Index: 1
Last.Lars M. Blank (RWTH Aachen University)H-Index: 31
view all 8 authors...
Microbial growth on hydrocarbons is common in nature and used in bioremediation of contaminated sites, whereas in fuel storage tanks this phenomenon can affect the stability of the fuel and the tank. The impact of microbial growth and produced metabolites on materials, which are used in the construction of storage tanks, were analyzed. In contrast to metal tank components, polymeric materials did not affect or were influenced by microorganisms. Zinc was highly corroded by microbial growth, most ...
Kurzfassung Metal-Dusting ist eine spezielle Form der Hochtemperaturkorrosion, die unter aufkohlenden Bedingungen in der Petrochemie, in thermochemischen Warmebehandlungsprozessen und teilweise auch in Gas- und Olbrennern anzutreffen ist. In Laborversuchen in einem elektrisch beheizten Quarzglas-Rohrreaktor sowie in einem Feldversuch an einem industriell betriebenen Aufkohlungsofen einer Lohnharterei wurde die Metal-Dusting-Bestandigkeit typischer im Industrieofenbau eingesetzter Eisen- und Nick...
#1Bernd LeuchtleH-Index: 3
#2Wei XieH-Index: 1
Last.Lars M. BlankH-Index: 31
view all 8 authors...
Microbial contamination can occur during long-term storage of domestic heating oil (DHO), thus biofouling the fuel and equipment. In this study, microorganisms in domestic heating oil storage tanks were identified, and the factors that promote growth in DHO storage tanks were examined. Notably, obligate aerobic but not strict anaerobic microbes were detected, suggesting the existence of an oxic environment. The measured and calculated diffusion rates of oxygen in the oil support the finding that...
#1A. Awgustow (Freiberg University of Mining and Technology)
#2Thomas Kuchling (Freiberg University of Mining and Technology)H-Index: 4
Last.S. Dörr (Neste Oil)
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© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Chem. Ing. Tech. 2014, 86, No. 9, 1347–1365 V1.13 Nanostrukturierte, bi-funktionale Katalysatoren fur die Fischer-Tropsch-Synthese N. Kruse (E-Mail: kruse@icvt.tu-clausthal.de), A. Machoke, W. Schwieger, R. Guttel Technische Universitat Clausthal, Clausthal-Zellerfeld, Germany Friedrich-Alexander-Universitat Erlangen-Nurnberg, Germany DOI: 10.1002/cite.201450711
Last.D. Trimis (Freiberg University of Mining and Technology)H-Index: 22
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Die vorliegende Forschungsarbeit beschaftigt sich mit der Detektion von Schadigungen an Wandzustellungen von Thermoprozessanlagen im laufenden Betrieb. Dabei wird eine Temperaturerhohung als Hinweis auf eine Dammungsschadigung genutzt. Im Laufe der Untersuchungen wurde deutlich, dass eine Temperaturmessung in der Dammung die Vorhersage der Schadigung wesentlich verbessert. Durch numerische Simulation wurde gezeigt, dass aus der Wandtemperaturverteilung auf die Tiefe einer Schadigung geschlossen ...
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