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Publikationen von Professorinnen und Professoren der HAW Hamburg

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Dieter Scholz
Aircraft Cabin Air and Engine Oil - An Engineering View
Journal of Health and Pollution, 9(24):93-98
Dezember 2019
ISSN: 2156-9614

Schlüsselwörter: aeronautics, airplanes, aircraft, aerospace engineering, turbofan engine, aircraft cabins, cabin air, passenger, oil, air conditioning, bleed air

Marker: TI-FF

Zusammenfassung: Almost all passenger jet aircraft today use potentially contaminated bleed air for cabin ventilation. A detailed look at the design of engine bearings, their lubrication and sealing reveals that jet engines leak small amounts of oil by design and not only in failure cases. An equation is derived to calculate the concentration of a possible cabin air contamination. Results show good agreement with measured concentrations of hydrocarbons in aircraft cabins under normal conditions. The solution to the problem of cabin air contamination is a bleed free design. Other partial remedies are briefly discussed.

Levin Schilling und Peter Dalhoff
Piezoelectric Patch Transducers: Can alternative sensors enhance bearing failure prediction?
Journal of Physics: Conference Series, 1356(012015)
25 Oktober 2019

Marker: TI-M+P

Dieter Scholz
DGLR-Weiterbildung "Flugzeugentwurf"
Luft- und Raumfahrt, 40(3):38-39
Juli 2019

Schlüsselwörter: Flugzeug, Entwurf, Luftverkehr, Zulassung, Anforderungen, Flugbetrieb, Umwelt, Kraftstoffverbrauch, Kosten, DGLR, HAW Hamburg, Airbus

Marker: TI-FF

Zusammenfassung: Im Flugzeugentwurf vereint sich das gesamte Wissen des Flugzeugbaus. Denn ein neues Flugzeug muss sich sowohl innerhalb des Luftverkehrssystems als auch im multimodalen Verkehr behaupten. Die Flugzeugparameter werden dabei ausgehend von Anforderungen wie Nutzlast und Reichweite so ermittelt, dass die Kosten beim Betrieb des Flugzeugs und dessen Umweltbelastung minimiert werden - eine hochkomplexe Aufgabe. Wie das Vorgehen beim Entwurf von Flugzeugen unter Berücksichtigung der Zulassungsvorschriften genau abläuft, lernen die Teilnehmer des DGLR-Weiterbildungskurses „Flugzeugentwurf", der vom 9. bis 12. September 2019 im ZAL TechCenter in Hamburg stattfindet.

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

Marker: TI- F+F

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.

M. Schröder, J. Lüdtke, E. Fux, Y. Izat, M. Bolten, G. Gloger-Tippelt, G.J. Suess und M. Schmid
Attachment Disorder and Attachment Theory - two sides of one medal or two different coins
Comprehensive Psychiatry,

Schlüsselwörter: Attachment Disorder, Attachment Quality

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.

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,

Marker: CC4E

Levin Schilling und Peter Dalhoff
Piezoelectric Patch Transducers: Can alternative sensors enhance bearing failure prediction?
Journal of Physics: Conference Series,

Marker: TI-MP

Konferenz, Symposium, Vortragsreihe, Einzelausstellung, Modenschau, Künstl. Leitung (als Ausrichter):

Dieter Scholz, Richard Sanderson und andere
"Hamburg Aerospace Lecture Series" Collection of Presentations, 2019
HAW Hamburg
Januar bis Dezember 2019
Archiv der "Hamburg Aerospace Lecture Series"

Schlüsselwörter: Luftfahrt, Raumfahrt, Flugzeug, aviation, space, aerospace, aircraft

Marker: TI-FF

Zusammenfassung: Hamburg Aerospace Lecture Series (AeroLectures) Free lectures in Hamburg on aeronautics and astronautics organized jointly by DGLR, RAeS, VDI, ZAL and HAW Hamburg (PSL). Exchange of information among professionals and the education of students and young engineers. Topics range from historic reviews to current trends. A noncommercial and voluntary service of committed individuals and invited lecturers. Aim is to preserve the knowledge collected in the lecture notes beyond the evening of the presentation as a lasting piece of (historical) information for generations to come.


Peter Kuhn, Simon Ressel und Thorsten Struckmann
Stability of VFB SoC monitoring using electrolyte potential and density
International Flow Battery Forum
09.-11. July 2019
The International Flow Battery Forum

Marker: M&P

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Letzte Änderung: 23.01.15

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