Refine
Year of publication
Institute
- Fachbereich Elektrotechnik und Informationstechnik (31)
- Fachbereich Energietechnik (29)
- Fachbereich Luft- und Raumfahrttechnik (12)
- Fachbereich Medizintechnik und Technomathematik (12)
- ECSM European Center for Sustainable Mobility (7)
- Fachbereich Wirtschaftswissenschaften (5)
- Fachbereich Maschinenbau und Mechatronik (4)
- INB - Institut für Nano- und Biotechnologien (4)
- IfB - Institut für Bioengineering (4)
- Solar-Institut Jülich (4)
Document Type
- Article (100) (remove)
Keywords
- Literaturanalyse (2)
- 3D-Printing (1)
- Actuator disk modelling (1)
- Aeroelasticity (1)
- Alternative Energiequelle (1)
- Arbeit 4.0 (1)
- BET (1)
- Blade element method (1)
- Blitzschutz (1)
- CFD propeller simulation (1)
- Centrifugal twisting moment (1)
- Chatbots (1)
- Digitalisierung (1)
- E-Learning (1)
- EBSCO Discovery Service (1)
- Energietechnische Anlage (1)
- Extension–twist coupling (1)
- Finite element method (1)
- Forschungsprozess (1)
- IBM Watson Explorer (1)
- Innenströmung (1)
- Lifting propeller (1)
- Lightning protection (1)
- Literaturrecherche (1)
- Modellkanäle (1)
- Propeller (1)
- Propeller aerodynamics (1)
- Propeller elasticity (1)
- Propeller performance (1)
- Prozessautomatisierung (1)
- Rapid Prototyping (1)
- Rapid prototyping (1)
- Regenerative Energieanlagen (1)
- Robotic Process Automation (1)
- Strömungsanalyse (1)
- Text Analytics (1)
- Text Analytics (1)
- Text Mining (1)
- Trapeze effect (1)
- anaesthetic complications (1)
- dental trauma (1)
- difficult airway (1)
- double-lumen tube intubation (1)
- renewable energy (1)
- videolaryngoscopy (1)
A High-Throughput Functional Complementation Assay for Classification of BRCA1 Missense Variants
(2013)
Lifting propellers are of increasing interest for Advanced Air Mobility. All propellers and rotors are initially twisted beams, showing significant extension–twist coupling and centrifugal twisting. Torsional deformations severely impact aerodynamic performance. This paper presents a novel approach to assess different reasons for torsional deformations. A reduced-order model runs large parameter sweeps with algebraic formulations and numerical solution procedures. Generic beams represent three different propeller types for General Aviation, Commercial Aviation, and Advanced Air Mobility. Simulations include solid and hollow cross-sections made of aluminum, steel, and carbon fiber-reinforced polymer. The investigation shows that centrifugal twisting moments depend on both the elastic and initial twist. The determination of the centrifugal twisting moment solely based on the initial twist suffers from errors exceeding 5% in some cases. The nonlinear parts of the torsional rigidity do not significantly impact the overall torsional rigidity for the investigated propeller types. The extension–twist coupling related to the initial and elastic twist in combination with tension forces significantly impacts the net cross-sectional torsional loads. While the increase in torsional stiffness due to initial twist contributes to the overall stiffness for General and Commercial Aviation propellers, its contribution to the lift propeller’s stiffness is limited. The paper closes with the presentation of approximations for each effect identified as significant. Numerical evaluations are necessary to determine each effect for inhomogeneous cross-sections made of anisotropic material.