Now showing items 1-20 of 303

    • Implementing the Digital Thread - A Proof-of-Concept 

      Oroz, Juan; Roohi, Zayn; Abelezele, Sabastian; Fronk, Gabriel; Al Fawares, Ruby; Pinon-Fischer, Olivia; Gharbi, Aroua; Marvis, Dimitri; Petersen, Melissa; Karl, Alexander; Matlik, John; Schwering, Bryan (Georgia Institute of Technology, 2023-01-25)
      Current engineering processes are heavily document-centric, which can add time and cost to projects, limit data accessibility, and make it difficult to actively manage models and data consistency throughout the lifecycle ...
    • Zero-Emission Regional Aviation in Sweden 

      Sorrentino, Robert T.; Parello, Romain C.; Delage, Martin; Justin, Cedric Y.; Mavris, Dimitri N.; Jouannet, Christopher; Amadori, Kristian (International Council of the Aeronautical Sciences (ICAS), 2022-11)
      Regional air operations, which can be defined as the transportation of passengers using smaller aircraft over short distances, have been overlooked in recent years by airlines focusing on high volume and profitable routes ...
    • Trajectory Energy Management Systems for eVTOL Vehicles: Modeling, Simulation and Testing 

      Wilde, Markus; Kish, Brian; Senkans, Emils; Kanchwala, Tahir; Beedie, Seumas M.; Harris, Caleb; Verberne, Johannes; Justin, Cedric Y.; Merkt, Juan (Georgia Institute of Technology, 2022)
      The rise of electric aircraft propulsion methods, the increased use of automated and integrated flight control systems, and the envisioned use of personal Vertical Takeoff and Landing (VTOL) vehicles in urban environments ...
    • Development of a Simulation Environment to Track Key Metrics to Support Trajectory Energy Management of Electric Aircraft 

      Verberne, Johannes; Beedie, Seumas M.; Harris, Caleb; Justin, Cedric Y.; Mavris, Dimitri N. (Georgia Institute of Technology, 2022-07)
      Growing concerns worldwide about anthropogenic climate change are leading to significant research in ways to reduce greenhouse gas emissions. Technologies are investigated to improve the overall energy efficiency of flying ...
    • Modeling and Simulation of Novel Electric/Hybrid Electric Multicopter Architectures for Urban Air Mobility 

      Demers Bouchard, Etienne; Verberne, Johannes; D’Arpino, Matilde; Ozcan, Metin; Porpora, Francesco; Gladin, Jonathan C.; Patel, Srujal; Justin, Cedric Y.; Mavris, Dimitri N. (Georgia Institute of Technology, 2021-08)
      This paper introduces a dynamic simulation environment developed for novel multi-copter aircraft architectures. The development is motivated by the need to better understand the safety implications of architectural design ...
    • Modeling Framework for Identification and Analysis of Key Metrics for Trajectory Energy Management of Electric Aircraft 

      Beedie, Seumas M.; Harris, Caleb; Verberne, Johannes; Justin, Cedric Y.; Mavris, Dimitri N. (Georgia Institute of Technology, 2021-08)
      To prepare for the upcoming entry into service of electric and hybrid-electric aircraft, regulators may have to update or develop new regulations and standards to ensure safe operations of these new vehicles. To ensure ...
    • Optimal Trajectory and En-Route Contingency Planning for Urban Air Mobility Considering Battery Energy Levels 

      Kim, Seulki; Harris, Caleb; Justin, Cedric Y.; Mavris, Dimitri N. (Georgia Institute of Technology, 2022-06)
      Urban Air Mobility (UAM) is an electric propelled, vertical takeoff and landing (eVTOL) aircraft envisioned for transporting passengers and goods within metropolitan areas. Planning UAM flights will not be easy as unexpected ...
    • Sensitivity Analysis of the Overwing Nacelle Design Space 

      Mavris, Dimitri N.; Ahuja, Jai; Renganathan, S. Ashwin (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, 2022-06-09)
      The overwing nacelle (OWN) concept refers to aircraft designs where the engine is installed above the wing. The OWN configuration offers several advantages over conventional underwing nacelle (UWN) vehicles, which include ...
    • Conceptual Design of Boundary Layer Ingesting Aircraft Capturing Aero-Propulsive Coupling 

      Ahuja, Jai; Mavris, Dimitris (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, 2022-03-01)
      The impacts of boundary layer ingestion on aircraft performance can be modeled using either a decoupled or a coupled approach. Several studies in literature have adopted the former, while some have shown differences between ...
    • Emergency Planning for Aerial Vehicles by Approximating Risk with Aerial Imagery and Geographic Data 

      Harris, Caleb M.; Kim, Seulki; Payan, Alexia P.; Mavris, Dimitri N. (Georgia Institute of Technology, 2022-01)
      Urban Air Mobility and Advanced Air Mobility require the certification of novel electrified, vertical takeoff and landing, and autonomous aerial vehicles. These vehicles will operate at lower altitudes, in more dense ...
    • A Systematic Methodology for Populating the Aircraft Thermal Management System Architecture Space 

      Shi, Mingxuan; Gladin, Jonathan C.; Mavris, Dimitri N. (2021-01)
      The aircraft thermal management system functions to provide suitable working conditions for pilot, crew, passengers, and the other aircraft systems. The additional weight, drag and power consumption caused by it greatly ...
    • Performance Assessment of a Distributed Electric Propulsion System for a Medium Altitude Long Endurance Unmanned Aerial Vehicle 

      Markov, Alexander A.; Cinar, Gokcin; Gladin, Jonathan C.; Garcia, Elena; Denney, Russell K.; Mavris, Dimitri N.; Patnaik, Sounya S. (Georgia Institute of Technology, 2021-08)
      Distributed propulsion systems are enabled by electrified aircraft and can provide aero-propulsive benefits. The magnitude and impact of these benefits rely on the location of propulsors on the vehicle, the amount of ...
    • Impact of Adverse Weather on Commercial Helicopter Pilot Decision-Making and Standard Operating Procedures 

      Speirs, Andrew H.; Ramee, Coline; Payan, Alexia P.; Mavris, Dimitri N.; Feigh, Karen (Georgia Institute of Technology, 2021-08)
      Helicopter pilots face unique challenges with regard to adverse weather when compared to fixed-wing pilots. Rotorcraft typically operate at lower altitudes in off-field areas that are not always well covered by weather ...
    • Analysis of Weather-Related Helicopter Accidents and Incidents in the United States 

      Ramee, Coline; Speirs, Andrew H.; Payan, Alexia P.; Mavris, Dimitri N. (Georgia Institute of Technology, 2021-08)
      Helicopters typically operate at lower altitudes than fixed-wing aircraft and can take-off and land away from airports. Thus, helicopter pilots have decreased access to weather information due to connectivity issues or ...
    • Development of a Framework to Compare Low-Altitude Unmanned Air Traffic Management Systems 

      Ramee, Coline; Mavris, Dimitri N. (Georgia Institute of Technology, 2021-01)
      Several reports forecast a very high demand for Urban Air Mobility services such as package delivery and air taxi. This would lead to very dense low-altitude operations which cannot be safely accommodated by the current ...
    • Forecasting the Global Supersonic Business Aviation Flight Movements Up to 2050 

      Wen, Jiajie (Terry); Zaidi, Turab A.; Mavris, Dimitri N. (Georgia Institute of Technology, 2021-01)
      Business aviation is typically the primary travel mode chosen by ultra-high-net-worth (UHNW) individuals and top executives. Business aviation passengers prefer the exclusivity associated with business jets, and are typically ...
    • Supervised Machine Learning-based Wind Prediction to Enable Real-Time Flight Path Planning 

      Kim, Junghyun; Zhang, Chao; Mavris, Dimitri N.; Briceno, Simon (Georgia Institute of Technology, 2021-01)
      Many research groups have been committed to developing numerical models for weather forecasts. The models are currently used to predict weather patterns and trends in the aviation industry. In particular, pilots receive ...
    • The Environmental Design Space: Modeling and Performance Updates 

      Salas Nunez, Luis; Tai, Jimmy; Mavris, Dimitri N. (2021-01)
      The Environmental Design Space (EDS) is a modeling and simulation environment devised for the design and evaluation of subsonic aircraft. One of the main features that sets it apart from other similar frameworks is its ...
    • Evaluation of Off-Nominal Performance and Reliability of a Distributed Electric Propulsion Aircraft during Early Design 

      Bendarkar, Mayank V.; Sarojini, Darshan; Harrison, Evan D.; Mavris, Dimitri N. (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, 2021-01-04)
      General Aviation (GA) is likely to be at the forefront of a paradigm change in aviation, where the introduction of novel concepts such as Urban Air Mobility (UAM), architectures like e-VTOL, and technologies like Distributed ...
    • Use of Machine Learning to Create a Database of Wires for Helicopter Wire Strike Prevention 

      Harris, Caleb M.; Achour, Gabriel; Payan, Alexia P.; Mavris, Dimitri N. (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, 2021-01-04)
      Rotorcraft collisions with wires and power lines have been a major cause of accidents over the past decades. They are rather difficult to predict and often result in fatalities. For this reason, there is a push to provide ...