THERMAL SCIENCE

International Scientific Journal

Mohammad Sakib Hasan

,

Jelena M. Svorcan

,

Aleksandar M. Simonović

,

Nikola S. Mirkov

,

Olivera P. Kostić

OPTIMAL AIRFOIL DESIGN AND WING ANALYSIS FOR SOLAR-POWERED HIGH ALTITUDE PLATFORM STATION

ABSTRACT
The ability of flying continuously over prolonged periods of time has become target of numerous research studies performed in recent years in both the fields of civil aviation and unmanned drones. High altitude platform stations are aircrafts that can operate for an extended period of time at altitudes 17 km above sea level and higher. The aim of this paper is to design and optimize a wing for such platforms and computationally investigate its aerodynamic performance. For that purpose, two-objective genetic algorithm, class shape transformation and panel method were combined and used to define different airfoils with the highest lift-to-drag ratio and maximal lift coefficient. Once the most suitable airfoil was chosen, polyhedral half-wing was modeled and its aerodynamic performances were estimated using the CFD approach. Flow simulations of transitional flow at various angles-of-attack were realized in ANSYS FLUENT and various quantitative and qualitative results are presented, such as aerodynamic coefficient curves and flow visualizations. In the end, daily mission of the aircraft is simulated and its energy requirement is estimated. In order to be able to cruise above Serbia in July, an aircraft weighing 150 kg must accumulate 17 kWh of solar energy per day.
KEYWORDS
optimization, wing design, CST parameterization, XFOIL, genetic algorithm, CFD
PAPER SUBMITTED: 2021-04-19
PAPER REVISED: 2021-06-27
PAPER ACCEPTED: 2021-07-16
PUBLISHED ONLINE: 2021-07-31
DOI REFERENCE: https://doi.org/10.2298/TSCI210419241S
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2022, VOLUME 26, ISSUE Issue 3, PAGES [2163 - 2175]
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Optimal airfoil design and wing analysis for solar-powered high altitude platform station

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence