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Flight Characteristics of Iced Aircraft

Deiler, Christoph (2019) Flight Characteristics of Iced Aircraft. AIAA Scitech 2019 Forum, 07.-11. Jan. 2019, San Diego, USA. DOI: 10.2514/6.2019-0560

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An evaluation of the effects of airframe icing on flight characteristics of fixed-wing aircraft is presented. The analysis is based on high-quality simulation models for different aircraft with distinct wing ice configurations (leading-edge and run-back ice), which are validated with flight test data and CFD results. A comparison of the distinct aerodynamic degradations leads to a general assessment of the icing influences. The icing-induced changes of the flight performance characteristics are revealed due to the interpretation of several parameters like thrust-to-weight ratio, specific excess power or lift-to-drag ratio for each ice configuration and aircraft. The change of aircraft eigenmodes is investigated by analyzing the system matrix of the linearized models at a specific trim point. Furthermore, ice-induced changes of the handling qualities are evaluated using numerical criteria of "MIL-STD-1797 A".

Item URL in elib:https://elib.dlr.de/126066/
Document Type:Conference or Workshop Item (Speech)
Title:Flight Characteristics of Iced Aircraft
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Deiler, ChristophFT-FDShttps://orcid.org/0000-0002-7143-2631
Date:January 2019
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
DOI :10.2514/6.2019-0560
Keywords:Aircraft Icing, Flight Dynamics, Degradation
Event Title:AIAA Scitech 2019 Forum
Event Location:San Diego, USA
Event Type:international Conference
Event Dates:07.-11. Jan. 2019
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation and Validation
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Flight Dynamics and Simulation
Deposited By: Deiler, Christoph
Deposited On:22 Jan 2019 13:02
Last Modified:22 Jan 2019 13:02

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