Search Results - "Marcella Frauscher"

Engine Oils in the Field: A Comprehensive Tribological Assessment of Engine Oil Degradation in a Passenger Car by Agocs, Adam, Besser, Charlotte, Brenner, Josef, Budnyk, Serhiy, Frauscher, Marcella, Dörr, Nicole

“…In this study, the deterioration of the friction and wear properties of a SAE 5W-30 engine oil during its service life as well as the differences in tribofilms…”
Get full text

Engine Oils in the Field: A Comprehensive Chemical Assessment of Engine Oil Degradation in a Passenger Car by Dörr, Nicole, Agocs, Adam, Besser, Charlotte, Ristić, Andjelka, Frauscher, Marcella

“…For the understanding of oil degradation in a combustion engine, in particular zinc dialkyl dithiophosphate (ZDDP) deterioration and its impact on wear…”
Get full text

Advanced Method for the Detection of Saturated Monoglycerides in Biodiesel Using GC-EI-MS/MS by Pichler, Jessica, Frauscher, Marcella, Marchetti-Deschmann, Martina

“…Common B7 biodiesels consist of mixtures of mineral oil-based diesel and 7% fatty acid methyl ester (FAME). While biocontent increase can be achieved with…”
Get full text

Implementation of Nitration Processes in Artificial Ageing for Closer-to-Reality Simulation of Engine Oil Degradation by Besser, Charlotte, Agocs, Adam, Ristic, Andjelka, Frauscher, Marcella

“…During their service, engine oils suffer from various influencing parameters such as thermo-oxidative stress and nitration, hence, the accumulation of…”
Get full text

Assessing the Potential of Bio-Based Friction Modifiers for Food-Grade Lubrication by Nothnagel, Rosa Maria, Boidi, Guido, Franz, Rainer, Frauscher, Marcella

“…The objective of this research is to identify a bio-based friction modifier (FM) with tribological performance comparable to conventional FMs. Promising…”
Get full text

A comprehensive review of sustainable approaches for synthetic lubricant components by Pichler, Jessica, Maria Eder, Rosa, Besser, Charlotte, Pisarova, Lucia, Dörr, Nicole, Marchetti-Deschmann, Martina, Frauscher, Marcella

“…In the last few years, there is a general shift observable toward greener lubrication, fueled amongst others by policy initiatives such as the European Green…”
Get full text

The Impact of Ammonia Fuel on Marine Engine Lubrication: An Artificial Lubricant Ageing Approach by Agocs, Adam, Rappo, Maria, Obrecht, Nicolas, Schneidhofer, Christoph, Frauscher, Marcella, Besser, Charlotte

“…Ammonia is a prospective zero-carbon-emission fuel for use in large marine diesel engines. Current research focuses on several technical aspects, such as…”
Get full text

Breaking down lignin in gamma-valerolactone: advances into a bioelectrorefinery by Lucie M. Lindenbeck, Sira Dahlhaus, Luca M. Wende, Björn B. Beele, Marcella Frauscher, Nils Helge Schebb, Christian W. Lehmann, Julia Bornhorst, Adam Slabon, Bruno V. M. Rodrigues

“…This study builds upon our experience with electrocatalyzed dearomatization of lignin in aqueous systems, which has shown to produce sodium levulinate, sodium…”
Get full text

Moving towards green lubrication: tribological behavior and chemical characterization of spent coffee grounds oil by Pichler, Jessica, Maria Eder, Rosa, Widder, Lukas, Varga, Markus, Marchetti-Deschmann, Martina, Frauscher, Marcella

“…With the EU aiming for net-zero greenhouse gas emissions by 2050, conventional production cycles must be transformed into cradle-to-cradle approaches. Spent…”
Get full text

Oil Degradation Patterns in Diesel and Petrol Engines Observed in the Field—An Approach Applying Mass Spectrometry by Agocs, Adam, Nagy, András Lajos, Ristic, Andjelka, Tabakov, Zsolt Miklós, Raffai, Péter, Besser, Charlotte, Frauscher, Marcella

“…Engine oil degradation and tribological properties are strongly interrelated. Hence, understanding the chemical processes resulting in additive depletion and…”
Get full text

Assessing the High-Temperature Deposit Formation of Paraffinic and Naphthenic Oil Blends Using the Oil Chute Method by Ronai, Bettina, Schneidhofer, Christoph, Novotny-Farkas, Franz, Norrby, Thomas, Li, Jinxia, Pichler, Jasmin, Frauscher, Marcella

“…Due to the demand for higher efficiency, gas engine designs are changing in that gas engine oils are exposed to higher thermal stress and face challenges…”
Get full text

Improving sustainability by enhanced engine component lifetime through friction modifier additives in fuels by Frauscher, Marcella, Agocs, Adam, Wopelka, Thomas, Ristic, Andjelka, Ronai, Bettina, Holub, Florian, Payer, Wolfgang

“…[Display omitted] •An approach combining engine tests, oil analysis and wear determination is presented.•Friction modifiers from fuels accumulate in the engine…”
Get full text

Root causes for low-temperature filter blocking at petrol stations – A field study by Marcella, Frauscher, Pichler, Jessica, Agocs, Adam, Dewitz, Bernhard, Drexler, Thomas, Orfaniotis, Alexander

“…[Display omitted] •Filter samples from unexplainable non-mibrobial filterblocking events were collected.•Applying extraction methods and various analyticals…”
Get full text

Correlation Between Engine Oil Degradation, Tribochemistry, and Tribological Behavior with Focus on ZDDP Deterioration by Dörr, Nicole, Brenner, Josef, Ristić, Andjelka, Ronai, Bettina, Besser, Charlotte, Pejaković, Vladimir, Frauscher, Marcella

“…This work aimed to bridge the gap between engine oil degradation, in particular zinc dialkyl dithiophosphate (ZDDP) deterioration, its effect on tribofilm…”
Get full text

Oxidation products of biodiesel in diesel fuel generated by artificial alteration and identified by mass spectrometry by Besser, Charlotte, Pisarova, Lucia, Frauscher, Marcella, Hunger, Hannes, Litzow, Ulrike, Orfaniotis, Alexander, Dörr, Nicole

“…The aim of the present study is the storage stability evaluation of diesel fuel and various blends of diesel with fatty acid methyl esters (FAME, biodiesel),…”
Get full text

Electrochemical Depolymerization of Lignin in a Biomass‐based Solvent by Cruz, Márcia G. A., Gueret, Robin, Chen, Jianhong, Piątek, Jędrzej, Beele, Björn, Sipponen, Mika H., Frauscher, Marcella, Budnyk, Serhiy, Rodrigues, Bruno V. M., Slabon, Adam

“…Breaking down lignin into smaller units is the key to generate high value‐added products. Nevertheless, dissolving this complex plant polyphenol in an…”
Get full text

Time-Resolved Quantification of Phenolic Antioxidants and Oxidation Products in a Model Fuel by GC-EI-MS/MS by Frauscher, Marcella, Agocs, Adam, Besser, Charlotte, Rögner, Alexandra, Allmaier, Günter, Dörr, Nicole

“…Phenol-type components, such as butylated hydroxytoluene (BHT), are used as antioxidants (AOs) to enhance the thermo-oxidative stability of kerosene-type Jet…”
Get full text

Elucidation of oxidation and degradation products of oxygen containing fuel components by combined use of a stable isotopic tracer and mass spectrometry by Frauscher, Marcella, Besser, Charlotte, Allmaier, Günter, Dörr, Nicole

“…In order to reveal the degradation products of oxygen-containing fuel components, in particular fatty acid methyl esters, a novel approach was developed to…”
Get full text

Comparing oil condition in diesel and gasoline engines by Agocs, Adam, Budnyk, Serhiy, Frauscher, Marcella, Ronai, Bettina, Besser, Charlotte, Dörr, Nicole

“…Purpose This paper aims to compare the conditions of in-service oils from diesel and gasoline engines, with focus on nitration. Design/methodology/approach Oil…”
Get full text

Five-Stage Selection Procedure of Ionic Liquids for Lubrication of Steel–Steel Contacts in Space Mechanisms by Dörr, Nicole, Merstallinger, Andreas, Holzbauer, Roland, Pejaković, Vladimir, Brenner, Josef, Pisarova, Lucia, Stelzl, Julia, Frauscher, Marcella

“…An experimental approach using the stage-gate process is presented to efficiently select and assess ionic liquids (ILs) for their usability in space…”
Get full text