Improving aircraft fuel efficiency by using the adaptive wing and winglets

Authors

DOI:

https://doi.org/10.15587/1729-4061.2020.200664

Keywords:

aerodynamic quality, fuel efficiency, adaptive wing, artificial laminarization, spiroid winglets

Abstract

Improving the aircraft’s fuel efficiency is one of the main requirements for prospective and modernized aircraft. This paper reports the assessment of change in aerodynamic quality resulting in the improved fuel efficiency of a long-range aircraft when using promising means to enhance aerodynamic quality. These means include the abandonment of the mechanization of wing edges and conventional controls through the use of an adaptive wing, the artificial laminarization of the flow around the elements of a glider, the application of winglets. The abandonment of conventional wing controls and wing mechanization is predetermined by the need to ensure a seamless surface of the glider elements to prevent the premature turbulization of the flow that consequently leads to a decrease in the profile drag of an aircraft. The use of winglets is aimed at reducing inductive drag. Determining a change in the aircraft’s fuel efficiency would make it possible to estimate a change in the operating costs during its life cycle.

The study employed the known modular software complex «Integration 2.1». The engineering and navigational calculation was performed for a typical flight profile of a long-range aircraft. The possibility of reducing fuel consumption by up to 20 % has been shown. The largest impact on the decrease in fuel consumption is exerted by the flow laminarization on the surface of the glider elements; the reduction in fuel consumption was 17.1 %. The abandonment of mechanization and ailerons decreases fuel consumption by 3.9 %, while the abandonment of ailerons, slats, and flaps reduces fuel consumption by 0.4, 1.5, and 0.4 %, respectively. The use of spiroid winglets made it possible to reduce fuel consumption by 1.95 %

Author Biographies

Viktor Popov, JSC "FED" Sumska str., 132, Kharkiv, Ukraine, 61023

PhD, Chairman of Board

Vasiliy Loginov, National Aerospace University "Kharkiv Aviation Institute" Chkalova str., 17, Kharkiv, Ukraine, 61070

Doctor of Technical Sciences, Senior Researcher

Department of Aircraft Engine Design

Yevgen Ukrainets, Ivan Kozhedub Kharkiv University of Air Force Sumska str., 77/79, Kharkiv, Ukraine, 61023

Doctor of Technical Sciences, Professor

Department of the Design and Strength of Aircraft and Engines

Volodymyr Shmyrov, Antonov State Enterprise Tupolieva str, 1, Kyiv, Ukraine, 03062

PhD, Vice President

Petro Steshenko, State Research Institute of Aviation Andryushchenko str., 6V, Kyiv, Ukraine, 01135

PhD

Research Laboratory of Automated Control Systems and Target Equipment for Unmanned Aerial Vehicles

Pavlo Hlushchenko, Ivan Kozhedub Kharkiv University of Air Force Sumska str., 77/79, Kharkiv, Ukraine, 61023

Adjunct

Department of Scientific and Organizational

Department of Design and Strength of Aircraft and Engines

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Published

2020-04-30

How to Cite

Popov, V., Loginov, V., Ukrainets, Y., Shmyrov, V., Steshenko, P., & Hlushchenko, P. (2020). Improving aircraft fuel efficiency by using the adaptive wing and winglets. Eastern-European Journal of Enterprise Technologies, 2(1 (104), 51–59. https://doi.org/10.15587/1729-4061.2020.200664

Issue

Vol. 2 No. 1 (104) (2020): Engineering technological systems

Section

Engineering technological systems

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Copyright (c) 2020 Viktor Popov, Vasiliy Loginov, Yevgen Ukrainets, Petro Steshenko, Pavlo Hlushchenko

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