Aerodynamic guidelines in the design and optimization of new regional turboprop aircraft

Vecchia, Pierluigi Della; Nicolosi, Fabrizio

doi:10.1016/j.ast.2014.07.018

Cited by 51 publications

(28 citation statements)

References 9 publications

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“…Numerical calculations have been performed on a closed and streamlined nacelle shape and propeller effects are not considered. The effect of winglet on spanwise aerodynamic load has been carefully investigated during the winglet design, by controlling winglet toe and cant angles, as it also done by the authors in [19], [27] and [16]. The results in Fig.…”

Section: Longitudinal Analysismentioning

confidence: 97%

“…The winglet effect on the rolling moment coefficient cannot be evaluated with a classical semi-empirical approach, unless to define a wing equivalent dihedral angle. A method for predicting the winglet effect on the lateral stability can be found in Nickel and Wohlfahrt [13,27], where a formula to estimate the wing equivalent dihedral angle is provided. A summary of the most meaningful derivatives is shown in Table 8.…”

Section: Lateral-directional Analysismentioning

confidence: 99%

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Design and aerodynamic analysis of a twin-engine commuter aircraft

Nicolosi

Vecchia

Corcione

2015

Aerospace Science and Technology

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Section: Longitudinal Analysismentioning

confidence: 97%

Section: Lateral-directional Analysismentioning

confidence: 99%

Design and aerodynamic analysis of a twin-engine commuter aircraft

Nicolosi

Vecchia

Corcione

2015

Aerospace Science and Technology

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“…However, it is problematic to obtain accurate information related to these data. Therefore, taking into con sideration statistical information, estimation of PP LC is carried out depending on the size of the engine, its purpose, the level of technical sophistication, succession of design, and structural-circuit layout of engine and its unification [20,24]. It is believed that reducing AC operation cost requires the assessment of LC as early as the first stage of design.…”

Section: Materials and Methods To Examine Pp And Ac Characteristicsmentioning

confidence: 99%

“…To substantiate the choice of TAC PP engine, different techniques for agreeing on the characteristics of a airframe and an engine for PP [24,25] are used, based on the principles of comparison of AC and engines characteristics, and the developments by a series of research organizations are applies. Underlying the calculations is the notion of the tie parameters -specific load on the wing and the relative size of PP.…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

Analysis and selection of the parametric profile of a powerplant engine for a light trainer aircraft

Loginov

Ukrainets

Kravchenko

et al. 2019

EEJET

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“…Winglet taper ratio 0.25, 0.5 Combination of Lehmkuehler's [18] and Della Vecchia [20] optimal taper ratios.…”

Section: Variable (Unit) Values Justification/constraintsmentioning

confidence: 99%

Conceptual Design and Performance Optimization of a Tip Device for a Regional Turboprop Aircraft.

Lappas¹,

Ikenaga²

2019

Preprint

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An increasing number of aircraft is equipped with wing tip devices, which either are installed by the aircraft manufacturer at the production line or are retrofitted after the delivery of the aircraft to its operator. The installation of wing tip devices has not been a popular choice for regional turboprop aircraft, and the novelty of the current study is to investigate the feasibility of retrofitting the British Aerospace (BAe) Jetstream 31 with an appropriate wing tip device (or winglet) to increase its cruise range performance, taking also into account the aerodynamic and structural impact of the implementation. An aircraft model has been developed, and the simulated optimal winglet design achieved a 2.38% increase of the maximum range by reducing the total drag by 1.19% at a mass penalty of 3.25%, as compared with the baseline aircraft configuration. Other designs were found to be more effective in reducing the total drag, but the structural reinforcement required for their implementation outweighed the achieved performance improvements. Since successful winglet retrofit programs for typical short to medium-range narrow-body aircraft report even more than 3% of block fuel improvements, undertaking the project of installing an optimal winglet design to the BAe Jetstream 31 should also consider a direct operating cost (DOC) assessment on top of the aerodynamic and structural aspects of the retrofit.

show abstract

Aerodynamic guidelines in the design and optimization of new regional turboprop aircraft

Cited by 51 publications

References 9 publications

Design and aerodynamic analysis of a twin-engine commuter aircraft

Design and aerodynamic analysis of a twin-engine commuter aircraft

Analysis and selection of the parametric profile of a powerplant engine for a light trainer aircraft

Conceptual Design and Performance Optimization of a Tip Device for a Regional Turboprop Aircraft.

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