Design of a Fuselage-Mounted Main Landing Gear of a Medium-Size Civil Transport Aircraft

Nuti, Alessio; Bertini, F.; Cipolla, Vittorio; Rito, Gianpietro Di

doi:10.1007/bf03405803

Cited by 10 publications

(5 citation statements)

References 18 publications

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“…Note that the impact of changing wing geometry on other onboard devices are not considered in this study, such as the landing gear. The increase in the wing aspect ratio results in the reduced design space in the wingbox which could require a completely different landing gear configuration, for example the fuselage mounted landing gear [35], and leads to additional complexity in the analysis. Authors also recognised the fact that the change in the 𝑋-position of the wing caused by the stretching process of the planform, which could potentially lead to the change of centre of gravity (cg).…”

Section: Aircraft Modelmentioning

confidence: 99%

Sizing of High Aspect Ratio Wings with Folding Wing Tips

Healy

Rezgui

et al. 2022

AIAA SCITECH 2022 Forum

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Section: Aircraft Modelmentioning

confidence: 99%

Sizing of High Aspect Ratio Wings with Folding Wing Tips

Healy

Rezgui

et al. 2022

AIAA SCITECH 2022 Forum

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“…In terms of components' integration, the larger width of the fuselage allows also to allocate the main landing gears on its sides, adding two sponsons in order to reduce aerodynamic drag. According to the preliminary design described in Nuti et al., 27 the main landing gear can be installed without any interference with the cargo bay. In addition, the presented solutions would be compatible with built-in airstairs.…”

Section: Conceptual Design Of the Fuselagementioning

confidence: 99%

Conceptual design of PrandtlPlane civil transport aircraft

Frediani

Cipolla

Salem

et al. 2019

Proceedings of the Institution of Mechanical Engineers, Part G:

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According to aircraft manufacturers and several air transportation players, the main challenge the civil aviation will have to deal with in the future is to provide a sustainable growth strategy, in order to face the growing demand of air traffic all over the world. The sustainability requirements are related to air pollution, noise impact, airport congestion, competitiveness of the air transportation systems in terms of travel time and passengers' comfort. Among the possible ways to allow a sustainable growth of the air transportation systems, disruptive aircraft configurations have been object of study for several years, in order to demonstrate that the improvement of aircraft performance can enable the envisaged growth. This paper presents the study of a possible novel configuration called “PrandtlPlane,” having a box-wing layout derived from Prandtl's “Best Wing System” concept. The paper deals with the definition of top level requirements and faces the conceptual study of the overall configuration, focusing on fuselage sizing as well as on the aerodynamic design of the box-wing system. This latter is designed through an optimization-driven strategy, carried out by means of a low-fidelity aerodynamic tool, which simulates the flow condition in the subsonic range and introduces corrections to take the transonic effects into account. Design procedures and tools are presented, showing preliminary results related to a PrandtlPlane compliant with ICAO Aerodrome Reference Code “C” standard, such as Airbus A320 and Boeing 737, whose wingspan is limited to 36 m. Activities and results here shown are part of the first phase of the research project “PARSIFAL” (Prandtlplane ARchitecture for the Sustainable Improvement of Future AirpLanes), funded by the European Commission under the Horizon 2020 Program, which aims to demonstrate that the PrandtlPlane configuration can improve aircraft payload capability, keeping their dimensions compatible with present airport infrastructures.

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“…The preliminary design phase has started from the outcomes of the high fidelity investigations and, taking further aspects into account, such as landing gear design ( [18]) and take-off performance analysis ( [19]), has ended up in the definition of a baseline PrP configuration, which is briefly described in Table 1. The baseline PrP has an important role in PARSIFAL, since it is not only the starting point for the advanced design loop, but it represent the reference configuration for assessing the impact assessment of the introduction of the PrP as a mean of transport.…”

Section: The Baseline Prandtlplane Configurationmentioning

confidence: 99%

The Project “Parsifal”: Prandtlplane Architecture For The Sustainable Improvement Of Future Airplanes

et al. 2019

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The activities reported in this paper are part of the project “PARSIFAL” (Prandtlplane ARchitecture for the Sustainable Improvement of Future AirpLanes), funded by the European Community under the Horizon 2020 program and coordinated by the University of Pisa (Italy); the other partners of the project are: Delft University of Technology (The Netherlands), ONERA (France), Arts et Métiers ParisTech-ENSAM (France), DLR (Germany) and SkyBox Engineering (Italy). The paper presents a summary of preliminary design activities, carried out with the project PARSIFAL in order to study the introduction of box-wing aircraft, known as “PrandtlPlane”, in the air transport system. PARSIFAL aims to investigate the adoption of the PrandtlPlane over short-to-medium routes, where aircraft compliant with the ICAO Aerodrome Reference Code “C” operate. According to such ICAO standard, the PrandtlPlane developed in PARSIFAL has a wingspan limited to 36m but, if compared to reference aircraft such as B737 and A320 families aircraft, it can improve the passenger capacity from about 200 to more than 300 units. This paper presents the design steps performed for the definition of a “baseline configuration” of the PrP, introducing the requirements and describing both the conceptual and preliminary design phases, including the high fidelity investigations CFD and FEM analyses.

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Design of a Fuselage-Mounted Main Landing Gear of a Medium-Size Civil Transport Aircraft

Cited by 10 publications

References 18 publications

Sizing of High Aspect Ratio Wings with Folding Wing Tips

Sizing of High Aspect Ratio Wings with Folding Wing Tips

Conceptual design of PrandtlPlane civil transport aircraft

The Project “Parsifal”: Prandtlplane Architecture For The Sustainable Improvement Of Future Airplanes

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