Hans Peter Monner
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View article: Design and Performance of a Scaled Low Hub-to-Tip Ratio Turbofan Rotor with Shape-Morphing Capability
Design and Performance of a Scaled Low Hub-to-Tip Ratio Turbofan Rotor with Shape-Morphing Capability Open
New aircraft propulsion architectures increasingly rely on the turbofan as the main thrust generating component. Improving turbofan efficiency is therefore a promising approach to boosting overall propulsive efficiency, and thereby enhanci…
View article: Design of a shape-adaptive rotor for the reduction of BLI induced losses in the distorted flow regimes of a scaled turbofan fan rotor
Design of a shape-adaptive rotor for the reduction of BLI induced losses in the distorted flow regimes of a scaled turbofan fan rotor Open
Within the Cluster of Excellence for Sustainable and Energy-Efficient Aviation SE 2 A, a blended wing body aircraft is investigated to improve efficiency and carbon emissions of future air transport. By embedding the aircraft engines on th…
View article: Enhanced, Seamless Ultrasound Introduction Unit for Thermoplastic Melt Treatment
Enhanced, Seamless Ultrasound Introduction Unit for Thermoplastic Melt Treatment Open
Ultrasonic power stimulation of polymers has been employed to modify their properties for various industrial applications. It is used to disperse particles in polymers or to impregnate continuous fiber-reinforced filaments. These processes…
View article: A Framework for Simulation-Based Transfer Path Analysis Using Dynamic Substructuring and Component Mode Synthesis
A Framework for Simulation-Based Transfer Path Analysis Using Dynamic Substructuring and Component Mode Synthesis Open
View article: Morphing Compliant Trailingedge Skin Concept
Morphing Compliant Trailingedge Skin Concept Open
Mitigating global warming and its associated consequences stands as the paramount challenge of our generation. The aviation industry and its aircraft must actively contribute to achieving climate neutrality. Regardless of the fuel used, en…
View article: Characterization of Membrane-Type Acoustic Metamaterial Unit Cells Fabricated by Additive Manufacturing Methods
Characterization of Membrane-Type Acoustic Metamaterial Unit Cells Fabricated by Additive Manufacturing Methods Open
Membrane-type acoustic metamaterials fall into the category of metamaterials with locally resonant behavior.Adjusting the unit cell properties brings the opportunity to tune resonance/anti-resonance frequencies.Moreover, noise attenuation …
View article: TOWARDS THE PLACEMENT OF ACTUATORS AND SENSORS FOR AN ACTIVE CONTROL OF STRUCTURE-BORNE SOUND IN A STIFFENED RECTANGULAR PANEL
TOWARDS THE PLACEMENT OF ACTUATORS AND SENSORS FOR AN ACTIVE CONTROL OF STRUCTURE-BORNE SOUND IN A STIFFENED RECTANGULAR PANEL Open
View article: AEROSTRUCTURAL INVESTIGATION OF SHAPE ADAPTIVE ROTOR BLADING FOR THE REDUCTION OF BLI INDUCED LOSSES IN THE DISTORTED FLOW REGIMES OF A TRANSONIC FAN ROTOR
AEROSTRUCTURAL INVESTIGATION OF SHAPE ADAPTIVE ROTOR BLADING FOR THE REDUCTION OF BLI INDUCED LOSSES IN THE DISTORTED FLOW REGIMES OF A TRANSONIC FAN ROTOR Open
Within the Cluster of Excellence for Sustainable and Energy-Efficient Aviation SE2A, a blended wing body aircraft is investigated to improve efficiency and carbon emissions of future air transport. By embedding the aircraft engines on the …
View article: Wireless Sensor Networks and Energy Harvesting for Energy Autonomous Smart Structures
Wireless Sensor Networks and Energy Harvesting for Energy Autonomous Smart Structures Open
In modern days Wireless Sensor Networks (WSNs) are already broadly used in industrial applications. Sensors in combination with actuators placed on a structure enable different functions,
\nlike Structural Health Monitoring (SHM) or Active…
View article: Experimental and Numerical Investigation of a Multifunctional CFRP towards Heat Convection under Aircraft Icing Conditions
Experimental and Numerical Investigation of a Multifunctional CFRP towards Heat Convection under Aircraft Icing Conditions Open
A combined experimental and numerical approach for the analysis of convective heat transfer from a multifunctional flat plate specimen under aircraft icing conditions is presented. The experimental setup including a heat control and measur…
View article: Experimental Investigation of Structural Intensity Control in a Vibrating Panel Using a Finite Differencing Approach
Experimental Investigation of Structural Intensity Control in a Vibrating Panel Using a Finite Differencing Approach Open
The active reduction of vibrational energy flow by means of structural intensity (SI) proposes to be an effective approach towards global downstream attenuation of a structure based on preliminary numerical studies. This work examines an a…
View article: Microscale Thermal Modelling of Multifunctional Composite Materials Made from Polymer Electrolyte Coated Carbon Fibres Including Homogenization and Model Reduction Strategies
Microscale Thermal Modelling of Multifunctional Composite Materials Made from Polymer Electrolyte Coated Carbon Fibres Including Homogenization and Model Reduction Strategies Open
Polymer electrolyte coated carbon fibres embedded in polymeric matrix materials represent a multifunctional material with several application scenarios. Structural batteries, thermal management materials as well as stiffness adaptive compo…
View article: Numerische Studie zur Sensor- und Aktuatorplatzierung für die aktive Ausbreitungssteuerung von Biegewellen in einer finiten und semi-infiniten isotropen Platte
Numerische Studie zur Sensor- und Aktuatorplatzierung für die aktive Ausbreitungssteuerung von Biegewellen in einer finiten und semi-infiniten isotropen Platte Open
View article: Morphing Wing Droop Nose with Large Deformation: Ground Tests and Lessons Learned
Morphing Wing Droop Nose with Large Deformation: Ground Tests and Lessons Learned Open
A design for a new high lift system that features a morphing wing leading edge “droop nose” has the potential to generate high lift coefficients whilst mitigating airframe noise emissions. This seamless, continuous, and stepless flexible d…
View article: Investigation towards an Active Barrier for Structure Borne Sound using Structural Intensity
Investigation towards an Active Barrier for Structure Borne Sound using Structural Intensity Open
Vibrations of aircraft or vehicle engines, for instance, are often transmitted by structure borne sound, leading
\nto a significant radiation of noise inside passenger cabins. Current active vibration control concepts use either
\nvelocity…
View article: A review of modelling and analysis of morphing wings
A review of modelling and analysis of morphing wings Open
View article: Entwicklung einer Körperschallbarriere basierend auf der Strukturintensität
Entwicklung einer Körperschallbarriere basierend auf der Strukturintensität Open
Schwingungen von Flugzeugtriebwerken oder anderen Lärmquellen werden häufig über Körperschallpfade übertragen. Die Reduktion dieser Körperschalltransmission kann einen signifikanten Beitrag zur Reduktion von abgestrahltem Lärm in Kabinen (…
View article: Transmission loss adaption of sandwich panels with honeycomb core variation
Transmission loss adaption of sandwich panels with honeycomb core variation Open
Nowadays the primary and interior structures of modern transport aircrafts are of high stiffness and low weight. One example is the utilization of honeycomb sandwich panels which are used in cabin linings or nacelles. From an acoustic poin…
View article: 3D Design of a Large-Displacement Droop-Nose Wing Device
3D Design of a Large-Displacement Droop-Nose Wing Device Open
The 3D structural design of a morphing droop-nose device for a new high-lift system is presented in this paper. This new type of high-lift system is anticipated to reduce airframe noise, takeoff and landing speeds and thus runway length, a…
View article: Lärmreduktion in Flugzeugen mit aktiven Linings
Lärmreduktion in Flugzeugen mit aktiven Linings Open
Das DLR erforscht im Verbund mit dem Industriepartner Diehl Aircabin die Möglichkeiten zur Lärmreduktion in Flugzeugen mit Hilfe von aktiven Seitenwandverkleidungsteilen (Linings). Neuartige Antriebe in Kombination mit leichten und hochste…
View article: Zweidimensionales, akustisches Design zwischen Schalenelementen eines Flugzeugrumpfs mittels Topologieoptimierung
Zweidimensionales, akustisches Design zwischen Schalenelementen eines Flugzeugrumpfs mittels Topologieoptimierung Open
Das Gewicht eines Flugzeuges hat unmittelbaren Einfluss auf dessen Wirtschaftlichkeit. Die Massenreduktion einzelner Flugzeugstrukturen wird daher bereits im ersten Designschritt berücksichtigt. Im Gegensatz dazu werden akustische Eigensch…
View article: Control of the sound radiation of grid panels with active-passive-hybrid methods
Control of the sound radiation of grid panels with active-passive-hybrid methods Open
The present work deals with the acoustic properties of grid-stiffened aircraft fuselage panels. It aims at the development of passive and active-passive-hybrid (APH) acoustic treatments to improve the low-frequency sound transmission loss …
View article: Eiserkennung mittels Körperschallwellen
Eiserkennung mittels Körperschallwellen Open
Im Projekt Supercooled Large Droplet Icing (SuLaDI) wird durch das Deutsche Zentrum für Luft- und Raumfahrt und die Technische Universität Braunschweig auf dem Gebiet der Flugzeugvereisung geforscht. Der Fokus liegt hierbei auf der Vereisu…
View article: Ergebnisse experimenteller Strukturuntersuchungen an einer elastisch verformbaren Droop-nose mit Festkörperkinematiken
Ergebnisse experimenteller Strukturuntersuchungen an einer elastisch verformbaren Droop-nose mit Festkörperkinematiken Open
m FP7 Projekt NOVEMOR wurde eine Droop-Nose an der Vorderkante der Flügelspitze eines Regional-Jets untersucht, die mit einer elastisch verformbaren Glasfaserhaut und Festkörperkine-matiken zur Verformung und somit Anpassung an den Flugzus…
View article: Deformation measurement in the wind tunnel for an UAV leading edge with a morphing mechanism
Deformation measurement in the wind tunnel for an UAV leading edge with a morphing mechanism Open
In a wind tunnel experiment a morphing wing with span extension and camber morphing was investigated. The considered aircraft is an unmanned aerial vehicle (UAV) with a span of 4 m. During the investigations a half wing model was analysed …
View article: Compliant structures-based wing and wingtip morphing devices
Compliant structures-based wing and wingtip morphing devices Open
Purpose-The purpose of this paper is to provide an overview of the design and experimental work of compliant wing and wingtip morphing devices conducted within the EU FP7 project NOVEMOR and to demonstrate that the optimization tools devel…
View article: Aktive Strukturen zur Reduktion von Grenzschichtlärm
Aktive Strukturen zur Reduktion von Grenzschichtlärm Open
Passagiere sind während eines Fluges zahlreichen Störschall-Einflüssen ausgesetzt. Eine der dominanten Quellen im Reiseflug ist der Schalleintrag der turbulenten Grenzschicht (TBL, engl.: Turbulent Boundary Layer), die sich zwischen der fr…
View article: Measurement, simulation and synthesis of turbulent-boundary-layer-induced vibrations of panel structures
Measurement, simulation and synthesis of turbulent-boundary-layer-induced vibrations of panel structures Open
The characterization of the vibro-acoustic behavior of structures excited by a turbulent boundary layer (TBL) is an expensive task and thus raises the demand for less expensive alternative solu-tions. This contribution focuses on the synth…
View article: Avoiding defects in manufacturing processes: A review for automated CFRP production
Avoiding defects in manufacturing processes: A review for automated CFRP production Open
View article: Generation of a Shock Control Bump by Pressurized Chambers
Generation of a Shock Control Bump by Pressurized Chambers Open
In the design of a new generation of eco-efficient aircrafts, fuel reduction is the number one objective.
\nTo increase the efficiency of the next generation aircraft, disruptive technologies are under investigation
\nto achieve a signific…