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Publikationen von Professorinnen und Professoren der HAW Hamburg

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Dirk Adamski
September 2019

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Maximilian Otto Heinrich Schutzeichel, Thomas Kletschkowski, Peter Linde und Leif E Asp
Experimental characterization of multifunctional polymer electrolyte coated carbon fibres
Functional Composites and Structures, 1(2)
12 April 2019

Schlüsselwörter: thermo-mechanical testing, structural batteries, material characterization

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Zusammenfassung: Multifunctional structures like the structural energy storage are investigated for enhanced lightweight design. Polymer electrolyte coated carbon fibres (PeCCF) function as a battery half-cell, combining negative electrode and structural electrolyte of the energy storage. The new material combination results in unknown mechanical and multiphysical effective characteristics. Looking forward to future multifunctional CFRP structures made from PeCCF, an influence of the multiphysical PeCCF properties on the CFRP laminate characteristics is expected. This paper presents experimental work, focusing on the first multiphysical characterization of state of the art PeCCF. Thereby, physical effects like the thermo-mechanical coupling in a temperature domain of 193 K??<T??<??720 K and the temperature induction by resistive heating are characterized. Important finding is a temperature dependent complex modulus of the material compound, which is related to the temperature dependent mechanical behaviour of the polymer coating. In addition, the ability to adapt and to predict the materials temperature, which is influenced by resistive heating, is shown. Furthermore, first indications of durability of the coating after cyclic mechanical loading are presented. In addition, new experimental methods for PeCCF investigation are proposed, e.g. the application of conductive epoxy resin for electrical connections.

Michael F. Aktas, Anja Mähler, Michael Hamm, Gabriele Perger, Frank Simon, Joachim Westenhöfer, Friedrich C. Luft und Michael Boschmann
Lifestyle interventions in Muslim patients with metabolic syndrome-a feasibility study
European Journal of Clinical Nutrition, 75(5):805-808

Marker: LS-GW

Zusammenfassung: Obesity, metabolic syndrome, and type-2 diabetes mellitus are common in Muslim patients living in Germany, most of whom are of Turkish origin. Lifestyle interventions must be tailored to religion and ethnicity. We tested the body weight-reducing effect of a 30% calorie-reduced intake diet, adjusted to individual energy expenditure, eating habits, and food preferences in a Turkish-background cohort. Eighty subjects were randomized to activity advice only or to a step-count device to monitor and document physical activity before and after the 12-week intervention. Fifty-three patients completed the study. Lifestyle interventions were effective in these Muslim subjects. Body weight was reduced by 6%; activity monitoring provided a modestly increased effect to 8%. Blood glucose, HbA1c, triglycerides and cholesterol improved also substantially. Subjects receiving metformin could reduce their dosage. Our data show that Muslim Turkish patients respond to interventions if these are tailored to their needs.

V. Andrees, J. Westenhöfer, C. Blome, C. Heesen, C. Augustin und J. Topp
Towards patients’ understanding of health-related quality of life—a mixed-method study in psoriasis and multiple sclerosis.
Quality of Life Research, 28:2717-2729

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Fabian Anstock, Marcel Schütt und Vera Schorbach
A new approach for comparability of two- and three-bladed 20 MW offshore wind turbines
Journal of Physics: Conference Series,

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Thomas Kletschkowski und Florian Albrecht
Dynamik von PTFE-Wellendichtungen simulieren, TRansiente Mehrfeldsimulation unter Berücksichtigung von Reibung, Wärmeentwicklung und Verschleiß
Sandra Kiefer Karl-Friedrich Berger (Hrsg.) Jahrbuch 2020, Dichten. Kleben. Polymer.
Seite 136 - 152.
Verlag: ISGATEC GmbH Mannheim,
Oktober 2019
ISBN: 978-3-946260-03-5

Schlüsselwörter: PTFE, Wellendichtring, Dynamik, Simulation, Reibung, Verschleiß

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Marina Tropmann-Frick und Jakob Smedegaard Andersen
Visual Data Science - an Exploration
International Conference on Human Interaction and Emerging Technologies (IHIET 2019), Nice, France, August 22-24, 2019

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Thorben Schüthe, Ahmed Albounyan und Karl-Ragmar Riemschneider
Two-Dimensional Characterization and Simplified Simulation Procedure for Tunnel Magnetoresistive Angle Sensors
Sensors Applications Symposium SAS 2019
Sophia Antipolis, France
March 11-13, 2019
IEEE (Hrsg.) Proc. IEEE Sensors Applications Symposium 2019

Schlüsselwörter: Magnetic Sensors, Characterisation, Cross Coil Setup, Tunnel Magnetoresistive Sensors, TMR-Sensor, Vortex-TMR-Sensors

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Zusammenfassung: A method and a measurement setup is described, that is suitable for the rapid characterization and simple modeling of magnetic sensor components for automotive electronics. We apply the the two-dimensional characteristic diagram method for recent angle sensors. This method is already known for incremental speed sensors [1]–[4]. The base of data ac- quisition for the characteristic diagram is an automated scanning procedure with cross-coil-setup. We improve the usable range of the cross-coil-setup by optimized coil shape. Furthermore the two-dimensional excitation with magnetic field components H x and H y is adapted to the field rotation of angle sensors. Two examples with recently launched sensor products based on the promising tunnel magnetoresistance (TMR) effect show how this method can be used to effectively support development work, such as the design of the moving permanent magnet, the mechanical design or a tolerance test.


Florian Albrecht
Schnelle multiphysikalische Simulation aktiver und adaptiver Dichtungen aus Polytetrafluorethylen unter Verwendung einer Gitterrostmethode
TU Berlin / HAW Hamburg,
Betreuer / Gutachter: Prof. Dr. T. Kletschkowski

Schlüsselwörter: Wellendichtung, Polytetrafluorethylene, Gitterrost, Wärmeleitung, Welle, Maschinenbau, FF-DISS

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Fabian Anstock, Marcel Schütt und Vera Schorbach
Comparing two- and three-bladed 20 MW wind turbines on the basis of an equal absolute power curve
3 April 2019
Bilbao, Spanien
Wind Europe Conference 2019

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Letzte Änderung: 23.01.15

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