Aviation research, sourced & cited.

Challenges and Opportunities in Electric Propulsion Systems for Low-Altitude eVTOL Aircraft

Low-altitude aviation is rapidly emerging as a transformative solution for next-generation transportation, driving significant advancements in electric propulsion systems.

A Systematic Review of Urban Air Mobility Development: eVTOL Drones’ Technological Challenges and Low-Altitude Policies of Shenzhen

Urban Air Mobility (UAM) is emerging as a transformative solution to urban traffic congestion and inefficient ground travel. This paper presents the UAM development of Shenzhen, a pioneering city of low-altitude economy …

Symbolic and Safety-Centric Formal Verification of MAVLink for Autonomous eVTOL Systems

The growing use of autonomous electric Vertical Takeoff and Landing (A-eVTOL) vehicles demands secure and reliable command and control (C2) communication to meet stringent safety and regulatory requirements.

Aircraft Icing: Modeling and Simulation

In-flight ice accretion poses a major safety concern in aviation. It occurs due to the icing from clouds of supercooled water droplets, the accumulation of ice crystals at high altitudes, or snow buildup.

Ice Shape Analysis of an eVTOL Propeller in Forward Flight at the NASA Glenn Icing Research Tunnel

Advanced Air Mobility (AAM) introduces many novel electric vertical takeoff and landing (eVTOL) aircraft configurations for which the effect of icing is not well understood.

Numerical Icing Simulations of Cylindrical Geometry and Comparisons to Flight Test Results

There is growing interest in government and industry to use numerical simulations for the Certification by Analysis of aircraft ice protection systems as a cheaper and more sustainable alternative to wind-tunnel and flig…

Energy management of an eVTOL aircraft with optimization based on the Equivalent Consumption Minimization Strategy (ECMS)

This article introduces an optimization-based energy management strategy developed and validated for electric vertical take-off and landing (eVTOL) aircraft.

Autonomous Navigation for eVTOL: Review and Future Perspectives

This survey paper explores the emergent domain of electric vertical takeoff and landing vehicles (eVTOLs), emphasizing the critical role of autonomous navigation capabilities essential for their effective integration and…

Performance-Based Ice Detection - First Results from SENS4ICE European Flight Test Campaign

Supercooled large droplets (SLD) icing conditions have been the cause of severe aircraft accidents over the last decades. As existing countermeasures even on modern aircraft are not necessarily effective against the resu…

Synthetic Data-Integrated Li-Ion Battery Modeling for eVTOL Energy Systems

Lithium-ion batteries play a crucial role in present-day energy storage systems, necessitating the development of precise prediction models to improve their performance and ensure safety.

Safe Architecture Design of Flight Control System for eVTOL

Advanced flight control system, aviation battery and motor technologies are driving the rapid development of eVTOL to offer possibilities for Urban Air Mobility.

Statistical Analysis of the Surface Roughness on Aircraft Icing

A statistical analysis of the surface roughness is performed on experimentally obtained ice shapes on an asymmetrical airfoil at [Formula: see text].

Challenges to the Operational Safety and Security of eVTOL Aircraft in Metropolitan Regions: A Literature Review

The start of urban air mobility operations using helicopters began in 1940s in Los Angeles to transport passengers and mail between various locations.

Design and Testing of an Indirect Ice Detection Methodology

Distinct atmospheric conditions containing supercooled large droplets (SLD) have been identified as cause of severe accidents over the last decades as existing countermeasures even on modern aircraft are not necessarily …

SENS4ICE EU Project Preliminary Results

The EU Horizon 2020 project SENS4ICE addresses reliable detection and discrimination of supercooled large droplets (SLD) icing conditions.

Coarray Fortran Parallel Implementation of a Finite Volume Method-Based Aircraft Ice Accretion Simulation Code

A parallel code using MPI and Coarray methods to reduce the computation time of an FVM-based ice accretion solver and showed good speedup and efficiency for the given number of mesh elements and processors.

Advanced Air Mobility Operation and Infrastructure for Sustainable Connected eVTOL Vehicle

Advanced air mobility (AAM) is an emerging sector in aviation aiming to offer secure, efficient, and eco-friendly transportation utilizing electric vertical takeoff and landing (eVTOL) aircraft.

Automotive safety approach for future eVTOL vehicles

The eVTOL industry is a rapidly growing mass market expected to start in 2024. eVTOL compete, caused by their predicted missions, with ground-based transportation modes, including mainly passenger cars.

A Multi-Autoencoder Fusion Network for fast image prediction of aircraft ice accretion

Icing scaling is of great importance for ice wind tunnel experiment and airworthiness certification. In this study, MAEFN (Multi-Autoencoder Fusion Network) method is developed to achieve fast icing image prediction.

Kinetic and thermal simulation of water droplets in icing wind tunnels

Within the certification process of aircraft, tests under specific icing conditions are required. For such safety relevant tests—which are performed under defined and repeatable test conditions—specially equipped Icing W…

Kinetic and thermal simulation of water droplets in icing wind tunnels

Within the certification process of aircraft, tests under specific icing conditions are required. For such safety relevant tests—which are performed under defined and repeatable test conditions—specially equipped Icing W…

Computational simulation of ice accretion and shedding trajectory of a rotorcraft in forward flight with strong rotor wakes

Abstract To ensure safe flight in icing conditions it is essential to understand ice accretion, its effect on aerodynamic performance and ice shedding in any aircraft certification program.

A thermodynamic model for ice crystal accretion in aircraft engines: EMM-C

Abstract Ingestion of high-altitude ice particles can be hazardous to aircraft engines in flight. Ice accretion may occur in the compression system, leading to blockage of the core gas path, blade damage and/or engine fl…

Present and Future of Air Navigation: PBN Operations and Supporting Technologies

The present work reviews the new concept of operation that will be soon implemented in SESAR and NextGen (January 2020) using new state-of-the-art technology mainly based on onboard avionics: data link equipment, broadca…

Sensitivity of ice accretion and aerodynamic performance degradation to critical physical and modeling parameters affecting airfoil icing

Abstract Understanding ice accretion and aerodynamic performance degradation is essential in any aircraft certification program to ensure safe flight in icing conditions.

Challenges in Vehicle Safety and Occupant Protection for Autonomous electric Vertical Take-off and Landing (eVTOL) Vehicles

The burgeoning electric Vertical Take-off and Landing (eVTOL) vehicle industry has generated a significant level of enthusiasm amongst aviation designers, manufacturers and researchers.

Impact of multi-criteria optimized trajectories on European airline efficiency, safety and airspace demand

Abstract Today the European airspace is facing multiple capacity constraints which are regulating demand during busy traffic periods of the day.

ICICLE: A Model for Glaciated & amp; Mixed Phase Icing for Application to Aircraft Engines

High altitude ice crystals can pose a threat to aircraft engine compression and combustion systems. Cases of engine damage, surge and rollback have been recorded in recent years, believed due to ice crystals partially me…

Method for Designing Hybrid Airfoils for Icing Wind-Tunnel Tests

The certification of modern commercial aircraft requires manufacturers to demonstrate flight safety under various scenarios, including icing conditions. Although computational tools play a key role...

Heat Transfer in the Core Compressor Under Ice Crystal Icing Conditions

It has been recognized in recent years that high altitude atmospheric ice crystals pose a threat to aircraft engines. Instances of damage, surge, and shutdown have been recorded at altitudes significantly greater than th…

Impact of Multi-critica Optimized Trajectories on European Air Traffic Density , Efficiency and the Environment

A trajectory calculation model capable of exploiting the 3D free route optimization potential while considering these divergent targets, especially the costs of condensation trails depending on the time of the day is pre…

Ice-Accretion Test Results for Three Large-Scale Swept-Wing Models in the NASA Icing Research Tunnel

Icing simulation tools and computational fluid dynamics codes are reaching levels of maturity such that they are being proposed by manufacturers for use in certification of aircraft for flight in icing conditions with in…

Improving Aircraft Safety in Icing Conditions

A safety assessment framework for the Automatic Dependent Surveillance Broadcast (ADS-B) system

This paper reviews existing safety assessment methods, identifies key limitations and proposes a novel, comprehensive and rigorous safety assessment framework for the ADS-B system.

Choosing Critical Ice Shapes on Airfoil Surface for the Icing Certification of Aircraft

Abstract There is no explicit definition for critical ice shapes, and it is only mentioned in some ACs. Here, a rational and applicable definition for critical ice shapes is given based on well understanding of present l…

Assessing the Benefits of NextGen Performance-Based Navigation

Two key components of the Next Generation Air Transportation System are Performance-Based Navigation (PBN) and the Optimization of Airspace and Procedures in the Metroplex (OAPM).

Validation of Unsteady Thermodynamic CFD Simulations of Aircraft Wing Anti- Icing Operation

In-flight icing is a major concern in aircraft safety and a non-negligible source of incidents and accidents, and is still a serious hazard today.

Characterization of Aircraft Icing Environments with Supercooled Large Drops for Application to Commercial Aircraft Certification

Integration of the “Constant Radius ARC to a Fix” (RF) navigation leg type into NextGen

Icing Certification of Civil Aircraft Engines

Abstract Aeroengine icing is an unwanted phenomenon which can normally lead to the hazardous effect to the power of aircraft during routine flight.

Aircraft Engine Icing Model

Sensitivity of Aircraft Performance to Icing Parameter Variations

A Study of U. S. Inflight Icing Accidents and Incidents, 1978 to 2002

FENSAP-ICE : A FULLY-3 D IN-FLIGHT ICING SIMULATION SYSTEM FOR AIRCRAFT , ROTORCRAFT AND UAVS

The past twenty years of icing research and development at Sikorsky Aircraft

Recent Canadian Research on Aircraft In-Flight Icing

Analysis of the aerodynamic effects of freezing drizzle inflight icing on a turboprop aircraft

Status of NTSB aircraft icing certification-related safety recommendations issued as a result of the 1994 ATR-72 accident at Roselawn, IN

Role of Wind Tunnels and Computer Codes in the Certification and Qualification of Rotorcraft for Flight in Forecast Icing

Model rotor icing tests conducted in 1989 and 1993 have provided a data base for correlation of codes, and for the validation of wind tunnel icing test techniques, which are summarized in this research.

Aircraft Icing Handbook. Volume 2