@inproceedings{24141, author = {{König, Jonas and Malberg, Simon and Martens, Martin and Niehaus, Sebastian and Krohn-Grimberghe, Artus and Ramaswamy, Arunselvan}}, booktitle = {{Science and Information Conference}}, pages = {{178--191}}, title = {{{Multi-stage reinforcement learning for object detection}}}, year = {{2019}}, } @article{24272, author = {{Knoke, Torben and Kronberg, Alexander and Glushenkov, Maxim and Kenig, Eugeny}}, issn = {{1359-4311}}, journal = {{Applied Thermal Engineering}}, number = {{5}}, pages = {{114382}}, title = {{{On the design of heat exchanger equipment for novel-type isobaric expansion engines}}}, doi = {{10.1016/j.applthermaleng.2019.114382}}, volume = {{167}}, year = {{2019}}, } @inproceedings{24319, author = {{Malatyali, Hatice and Schöppner, Volker}}, booktitle = {{27. Fachtagung Technomer}}, title = {{{Untersuchung des Dosierverhaltens von Carbonfaserrezyklaten für den Einsatz im gleichläufigen Doppel-schneckenextruder}}}, year = {{2019}}, } @inproceedings{24322, author = {{Malatyali, Hatice and Schöppner, Volker and Tillmann, Wolfgang and Kokalj, David}}, booktitle = {{SPE ANTEC}}, title = {{{Deveploment of thin film sensors: The influence of layer variation on the measurement quality for inline melt temperature measurements}}}, year = {{2019}}, } @inproceedings{24326, author = {{Vogtschmidt, Sascha and Schöppner, Volker}}, location = {{Bratislava}}, title = {{{Vibration welding of components with angled areas in the direction of vibration}}}, year = {{2019}}, } @inproceedings{24502, abstract = {{Liquid atomization is expected to be a key process in Flame Spray Pyrolysis, as it determines the primary droplet size and velocity distribution, which represent initial conditions for flame shape and temperature field. A well-defined manipulation of atomization may be achieved by variation of nozzle geometry, injection parameter or fluid properties. However, change of fluid properties, e.g. varying solvents or increasing the precursor concentration, also influences the final particle properties. In this work, the influence of precursor concentration on fluid properties, spray and particle formation in Flame Spray Pyrolysis is experimentally investigated. High-speed shadowgraphy and Phase-Doppler measurements are conducted in a semi-closed combustion chamber with a well-defined burner geometry (SpraySyn burner) that is based on a coaxial atomization principle. By adding precursor to the flammable solvent, resulting spray characteristics, flame shape and appearance are changed in color, shape and mean droplet size distribution. Compared to resulting mean droplet sizes of pure solvent mixtures (D32, 22 μm), mean droplet sizes in the center of the precursor flame at 30 mm above the burner are generally smaller (D32, 18 μm). Persisting high share of small droplets in the droplet size distribution are presented, that presumably origin from an accumulation of metal organic precursor at the droplet surface during combustion, that acts as a diffusive barrier for high volatility solvent and thus reduces droplet evaporation. Sufficiently high above the nozzle exit, increasing the precursor concentration does not affect the radial distribution of mean droplet sizes but leads to increased mean particle sizes. More precursor presumably leads to higher concentrations of prime particles in the flame, thus probability of particle collusion and agglomeration. High-speed imaging at nozzle exit revealed random fluctuations of initial jet diameter, paired with jet axis shifting around 1000 Hz. These superposed fluctuations determine the initial conditions for atomization, induce pulsations in the flame and thus initiate the entire chain of the particle synthesis process.}}, author = {{Bieber, M. and Tischendorf, R. and Reddemann, M. and Schmid, H.-J. and Kneer, R.}}, keywords = {{FSP, nanoparticle synthesis, in situ measurements}}, location = {{Paris}}, publisher = {{ILASS (European Conference on Liquid Atomization and Spray Systems)}}, title = {{{Influence of precursor concentration on spray and particle formation in flame spray pyrolysis}}}, year = {{2019}}, } @techreport{24628, author = {{Menge, Dennis and Walter, Rolf and Schmid, Hans-Joachim and Breuer, Ulf Paul}}, pages = {{77}}, title = {{{FVA-Nr. 813 I - Generative Verfahren zur Herstellung von Polymerbauteilen}}}, volume = {{1338}}, year = {{2019}}, } @article{24632, abstract = {{Prerequisite for an efficient cooling energy system is the knowledge and optimal combination of different operating conditions of individual compression and free cooling chillers. The performance of cooling systems depends on their part-load performance and their condensing temperature, which are often not continuously measured. Recorded energy data remain unused, and manufacturers’ data differ from the real performance. For this purpose, manufacturer and real data are combined and continuously adapted to form part-load chiller models. This study applied a predictive optimization algorithm to calculate the optimal operating conditions of multiple chillers. A sprinkler tank offers the opportunity to store cold-water for later utilization. This potential is used to show the load shifting potential of the cooling system by using a variable electricity price as an input variable to the optimization. The set points from the optimization have been continuously adjusted throughout a dynamic simulation. A case study of a plastic processing company evaluates different scenarios against the status quo. Applying an optimal chiller sequencing and charging strategy of a sprinkler tank leads to electrical energy savings of up to 43%. Purchasing electricity on the EPEX SPOT market leads to additional costs savings of up to 17%. The total energy savings highly depend on the weather conditions and the prediction horizon.}}, author = {{Peesel, Ron-Hendrik and Schlosser, Florian and Meschede, Henning and Dunkelberg, Heiko and Walmsley, Timothy}}, issn = {{1996-1073}}, journal = {{Energies}}, title = {{{Optimization of Cooling Utility System with Continuous Self-Learning Performance Models}}}, doi = {{10.3390/en12101926}}, year = {{2019}}, } @article{24633, author = {{Schlosser, Florian and Seevers, Jan-Peter and Peesel, Ron-Hendrik and Walmsley, Timothy Gordon}}, issn = {{0360-5442}}, journal = {{Energy}}, pages = {{395--406}}, title = {{{System efficient integration of standby control and heat pump storage systems in manufacturing processes}}}, doi = {{10.1016/j.energy.2019.05.113}}, year = {{2019}}, } @article{24634, abstract = {{For increased total site heat integration, the optimal sizing and robust operation of a heat recovery loop (HRL) are prerequisites for economic efficiency. However, sizing based on one representative time series, not considering the variability of process streams due to their discontinuous operation, often leads to oversizing. The sensitive evaluation of the performance of an HRL by Monte Carlo (MC) simulation requires sufficient historical data and performance models. Stochastic time series are generated by distribution functions of measured data. With these inputs, one can then model and reliably assess the benefits of installing a new HRL. A key element of the HRL is a stratified heat storage tank. Validation tests of a stratified tank (ST) showed sufficient accuracy with acceptable simulation time for the variable layer height (VLH) multi-node (MN) modelling approach. The results of the MC simulation of the HRL system show only minor yield losses in terms of heat recovery rate (HRR) for smaller tanks. In this way, costs due to oversizing equipment can be reduced by better understanding the energy-capital trade-off.}}, author = {{Schlosser, Florian and Peesel, Ron-Hendrik and Meschede, Henning and Philipp, Matthias and Walmsley, Timothy and Walmsley, Michael and Atkins, Martin}}, issn = {{1996-1073}}, journal = {{Energies}}, title = {{{Design of Robust Total Site Heat Recovery Loops via Monte Carlo Simulation}}}, doi = {{10.3390/en12050930}}, year = {{2019}}, } @inproceedings{24638, author = {{Schlosser, Florian and Arpagaus, Cordin and Walmsley, Timothy G.}}, booktitle = {{Chemical Engineering Transactions}}, location = {{Crete}}, pages = {{7--12}}, title = {{{Heat Pump Integration by Pinch Analysis for Industrial Applications: A Review}}}, doi = {{10.3303/CET1976002}}, volume = {{76}}, year = {{2019}}, } @inproceedings{24639, author = {{Seevers, Jan-Peter and Schlosser, Florian}}, booktitle = {{Chemical Engineering Transactions}}, location = {{Crete}}, pages = {{373--378}}, title = {{{Integration of Heat Pump Storage Systems in Manufacturing Systems via Data Farming and Monte Carlo Simulation}}}, doi = {{10.3303/CET1976063}}, volume = {{76}}, year = {{2019}}, } @inproceedings{24640, author = {{Selleneit, Volker and Stockl, Martin and Philipp, Matthias and Mast, Tanja and Schlosser, Florian}}, booktitle = {{Chemical Engineering Transactions}}, pages = {{973--978}}, title = {{{System Efficiency Rating of Industrial Utilities in Electricity Grids with a high share of Variable Renewable Energies}}}, doi = {{10.3303/CET1976163}}, volume = {{76}}, year = {{2019}}, } @inproceedings{25638, author = {{Moritzer, Elmar and Mühlhoff, Frederik Marvin and Nordmeyer, T. and Böhnke, Birte and Krampe, Erhard and Asad, Salman}}, booktitle = {{Eröffnung Plasma-Campus bei Plasmatreat GmbH}}, location = {{Steinhagen (Deutschland)}}, title = {{{InMould-Plasma}}}, year = {{2019}}, } @article{25639, author = {{Moritzer, Elmar and Jilg, J. and Sibbe, N.}}, journal = {{PU MAGAZIN - International}}, pages = {{320--324}}, title = {{{Investigation of the bond strength between injection moulded TPU and a reactive, castable polyurethane mass (PU)}}}, year = {{2019}}, } @article{25640, author = {{Moritzer, Elmar and Jilg, J. and Sibbe, N.}}, journal = {{TPE Magazine international}}, number = {{4}}, pages = {{230--234}}, title = {{{Investigation of the bond strength between injection moulded TPU and a reactive, castable polyurethane mass (PU)}}}, year = {{2019}}, } @inproceedings{25689, author = {{Moritzer, Elmar and Hüttner, Matthias and Krassmann, Dimitri and Wittke, Marius}}, booktitle = {{Werkstoffwoche}}, location = {{Dresden (Deutschland)}}, title = {{{Lebensdauer von Composites und Composite-Metall-Hybridverbindungen}}}, year = {{2019}}, } @book{25734, author = {{Tobias Jenert, Gabi Reinmann, Tobias Schmohl}}, isbn = {{ 978-3-658-20309-2 }}, keywords = {{Hochschulbildung, Bildungsforschung, Hochschuldidaktik, Hochschulbildung, Hochschuldidaktik, Forschung, Lehren, Hochschule, Lehre, Lernen}}, pages = {{ Online--Ressource }}, publisher = {{ Springer Fachmedien Wiesbaden }}, title = {{{ Hochschulbildungsforschung. Theoretische, methodologische und methodische Denkanstöße für die Hochschuldidaktik }}}, doi = {{ 10.1007/978-3-658-20309-2 }}, year = {{2019}}, } @article{25735, author = {{Brahm, T. and Jenert, T.}}, journal = {{Journal of Management Education}}, number = {{4}}, pages = {{446--453}}, title = {{{Untangling Faculty Misinformation From an Educational Perspective: Rejoinder to ?The Menace of Misinformation: Faculty Misstatements in Management Education and Their Consequences?}}}, volume = {{43}}, year = {{2019}}, } @inproceedings{25736, author = {{Schöppner, Volker and Bayazian, H. and Yadegari, Ali }}, booktitle = {{77th Annual Technical Conference of the Society of Plastics Engineers (ANTEC)}}, location = {{Detroit (USA)}}, title = {{{Morphology Development in LLDPE Stretch Films Prepared with Different Cast Film Process Parameters}}}, year = {{2019}}, }