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Panchal, Isha (author), Metz, I.C. (author), Ribeiro, M.J. (author), Armanini, S.F. (author)
With the rise of new and innovative Urban Air Mobility solutions, there also arises a need to integrate these into the existing airspace. Current airspace users include conventional civil, commercial and general aviation, military air users, police and emergency services as well as a plethora of avian life. Planned additions to the airspace are...
conference paper 2022
document
Metz, I.C. (author)
Bird strike prevention in civil aviation has traditionally focused on the airport perimeter. Since the risk of especially damaging bird strikes outside the airport boundaries is rising, this PhD thesis researches the safety potential of operational bird strike prevention involving pilots and controllers. In such a concept, controllers would be...
doctoral thesis 2021
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Metz, I.C. (author), Ellerbroek, Joost (author), Mühlhausen, Thorsten (author), Kügler, Dirk (author), Hoekstra, J.M. (author)
Bird strike prevention in civil aviation has traditionally focused on the airport perimeter. Since the risk of especially damaging bird strikes outside the airport boundaries is rising, this paper investigates the safety potential of operational bird strike prevention involving pilots and controllers. In such a concept, controllers would be...
journal article 2021
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Metz, I.C. (author), Ellerbroek, Joost (author), Mühlhausen, Thorsten (author), Kügler, Dirk (author), Kern, Stefan (author), Hoekstra, J.M. (author)
Involving air traffic controllers and pilots into the bird strike prevention process is considered an essential step to increase aviation and avian safety. Prior to implementing operational measures such as real-time warning systems, it is vital to evaluate their feasibility. This paper studies the efficacy of a bird strike advisory system for...
journal article 2021
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Metz, I.C. (author), Ellerbroek, Joost (author), Mühlhausen, Thorsten (author), Kügler, Dirk (author), Hoekstra, J.M. (author)
Collisions between birds and aircraft pose a severe threat to aviation and avian safety. To understand and prevent these bird strikes, knowledge about the factors leading to these bird strikes is vital. However, even though it is a global issue, data availability strongly varies and is difficult to put into a global picture. This paper aims...
review 2020
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Metz, I.C. (author), Mühlhausen, Thorsten (author), Ellerbroek, Joost (author), Kügler, Dirk (author), Hoekstra, J.M. (author)
This paper presents a collision avoidance algorithm to prevent bird strikes for aircraft departing from an airport. By using trajectory-information of aircraft and birds, the algorithm predicts potential collisions. Collision avoidance is performed by delaying departing aircraft until they can follow a collision-free trajectory. An...
conference paper 2019
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THOMAS, N.E. (author), Watson, T.F. (author), Metz, M. (author), Boter, J.M. (author), Dehollain Lorenzana, J.P. (author), Droulers, G. (author), Eenink, H.G.J. (author), Li, R. (author), Massa, L. (author), Sabbagh, D. (author), Samkharadze, Nodar (author), Volk, C.A. (author), Zwerver, A.M.J. (author), Veldhorst, M. (author), Scappucci, G. (author), Vandersypen, L.M.K. (author)
Quantum computing's value proposition of an exponential speedup in computing power for certain applications has propelled a vast array of research across the globe. While several different physical implementations of device level qubits are being investigated, semiconductor spin qubits have many similarities to scaled transistors. In this...
conference paper 2019
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Metz, I.C. (author), Muhlhausen, Thorsten (author), Ellerbroek, Joost (author), Hoekstra, J.M. (author)
Bird strikes have the potential to cause severe damage to aircraft. Therefore, measures to reduce the risk of bird strikes are performed at airports. However, this risk is not limited to the airport but is increased in the arrival and departure corridors as well. Consequently, a significant amount of bird strikes occurs outside the direct...
abstract 2018
document
Metz, I.C. (author), Muhlhausen, Thorsten (author), Ellerbroek, Joost (author), Kügler, Dirk (author), van Gasteren, Hans (author), Kraemer, Jan (author), Hoekstra, J.M. (author)
Annually, thousands of birds collide with aircraft. The impact usually has lethal<br/>consequences for the bird, the involved aircraft can experience severe damage. The highest bird strike risk occurs at low altitudes. Therefore, aircraft within the airport area as well as the adjacent approach and departure corridors are especially vulnerable...
journal article 2018
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van Gasteren, Hans (author), Krijgsveld, Karen L. (author), Klauke, Nadine (author), Leshem, Yossi (author), Metz, I.C. (author), Skakuj, Micha (author), Sorbi, Serge (author), Schekler, Inbal (author), Shamoun‐Baranes, Judy (author)
The aerosphere is utilized by billions of birds, moving for different reasons and from short to great distances spanning tens of thousands of kilometres. The aerosphere, however, is also utilized by aviation which leads to increasing conflicts in and around airfields as well as en‐route. Collisions between birds and aircraft cost billions of...
journal article 2018
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Metz, I.C. (author), Muhlhausen, Thorsten (author), Ellerbroek, Joost (author), Hoekstra, J.M. (author), Kügler, D. (author)
The presented research evaluates the concept of providing an airport’s Air Traffic Control with a bird strike advisory system. Such a system informs the controller about current and predicted bird movements in the arrival and departure corridors. Based on this information, the controller can decide to delay or reroute air traffic in order to...
abstract 2017
document
Metz, I.C. (author), Ellerbroek, Joost (author), Muhlhausen, Thorsten (author), Kügler, D. (author), Hoekstra, J.M. (author)
This paper presents a fast-time simulation environment for assessing the risk of bird strikes in aviation. An existing air traffic simulator was enhanced in order to simulate air and bird traffic simultaneously and to recognize collisions between birds and aircraft. Furthermore, a method was developed to generate bird movement information from...
conference paper 2017
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Papapetridis, I. (author), van Dijk, M. (author), Dobbe, Arthur P A (author), Metz, B. (author), Pronk, J.T. (author), van Maris, A.J.A. (author)
Background: Acetic acid, an inhibitor of sugar fermentation by yeast, is invariably present in lignocellulosic hydrolysates which are used or considered as feedstocks for yeast-based bioethanol production. Saccharomyces cerevisiae strains have been constructed, in which anaerobic reduction of acetic acid to ethanol replaces glycerol formation...
journal article 2016
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Jousset, Philippe (author), Blanck, Hanna (author), Franke, Steven (author), Metz, M. (author), Águstsson, K. (author), Verdel, Arie (author), Ryberg, T. (author), Hersir, Gylfi Páll (author), Weemstra, C. (author), Bruhn, D.F. (author), Flovenz, Olafur G (author)
We present tomographic results obtained around geothermal reservoirs using seismic data recorded both on-land Reykjanes, SW-Iceland and offshore along Reykjanes Ridge. We gathered records from a network of 83 seismic stations (including 21 Ocean Bottom Seismometers) deployed between April 2014 and August 2015. We obtain crustal velocity images...
conference paper 2016
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Metz, I.C. (author), Freese, M. (author), Pett, T. (author), Schier, S. (author)
The calibration of Angular Accelerometers requires a controlled test with a known accel- eration pro_le. However, current turn-tables have been designed primarily for generating a constant rotational velocity. To generate a pro_le with varying angular acceleration we propose using constant rotational velocity on the two axes of a 2-axes motion...
conference paper 2016
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Metz, I.C. (author), Mühlhausen, T (author), Ellerbroek, Joost (author), Hoekstra, J.M. (author)
Bird strikes have operational impacts and cause economic loss to the aviation industry. In the worst case, the damages resulting from bird strikes lead to crashes. The highest risk for bird strikes lies in the area below 3000 ft and thus mainly in airport environments. Despite intense efforts from the airports in controlling the local bird...
conference paper 2016
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Metz, I.C. (author), Ellerbroek, Joost (author), Mühlhausen, T (author), Kügler, D. (author), Hoekstra, J.M. (author)
poster 2016
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Metz, I.C. (author), Hoekstra, J.M. (author), Ellerbroek, Joost (author), Kugler, D. (author)
The BlueSky Open Air Tra_c Simulator developed by the Control &amp; Simulation section of TU Delft aims at supporting research for analysing Air Tra_c Management concepts by providing an open source simulation platform. The goal of this study was to complement BlueSky with aircraft performance models in order to enable performance- related Air...
conference paper 2016
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Guadalupe-Medina, V. (author), Metz, B. (author), Oud, B. (author), Van der Graaf, C.M. (author), Pronk, J.T. (author), Van Maris, A.J.A. (author)
Glycerol production by Saccharomyces cerevisiae, which is required for redox-cofactor balancing in anaerobic cultures, causes yield reduction in industrial bioethanol production. Recently, glycerol formation in anaerobic S.?cerevisiae cultures was eliminated by expressing Escherichia coli (acetylating) acetaldehyde dehydrogenase (encoded by mhpF...
journal article 2013
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Herold, S. (author), Bischof, R. (author), Metz, B. (author), Seiboth, B. (author), Kubicek, C.P. (author)
The ascomycete Trichoderma reesei is a paradigm for the regulation and production of plant cell wall-degrading enzymes, including xylanases. Four xylanases, including XYN1 and XYN2 of glycosyl hydrolase family 11 (GH11), the GH10 XYN3, and the GH30 XYN4, were already described. By genome mining, we identified a fifth xylanase, XYN5, belonging to...
journal article 2013
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