Práce a štúdie

Permanent URI for this communityhttps://drepo.uniza.sk/handle/hdluniza/121

Browse

Author: search.filters.author.Jackuliak, JakubStart date: 2022

Search Results

Now showing 1 - 4 of 4
  • Thumbnail Image
    Item
    Využitie nových materiálov v konštrukcií krídel lietadiel
    (University of Žilina, 2025) Jánošíková, Soňa; Jackuliak, Jakub
    In this Bachelor thesis, the topic of utilizing new materials in aircraft wings construction was addressed. The technical and physical properties of modern materials were examined in order to assess their potential to improve flight performance and reduce structural weight. The work includes an overview of the evolution from traditional materials such as wood, through aluminum and titanium alloys, to current composite materials. Parameters such as strength, weight, corrosion and fatigue resistance, as well as aerodynamic impact and sustainability, were evaluated. The study highlighted the significant advantages of modern materials, which enable weight reduction, increased strength, and improved aerodynamic performance of wings. A theoretical application of a new material was conducted, and its impact on flight performance was assessed through a conceptual design of the wings of the Discus-2 and ASW-19 glider models. To achieve the objective, computational methods based on MacCready’s theory, basic aerodynamic formulas, and available data from scientific sources were used. Parameters such as glide ratio, optimal speed, wing weight, and flight time on a 300 km course were evaluated. The conclusion of the thesis confirms that the application of innovative materials in wing structures represents a significant contribution to the further development of aviation, while also emphasizing the need for continued research and optimization of technologies.
  • Thumbnail Image
    Item
    Analýza vplyvu tvaru zakončenia krídla na jeho aerodynamické vlastnosti
    (University of Žilina, 2025) Kremnický, Jakub; Jackuliak, Jakub
    The goal of this thesis is to investigate the different types of wingtip solutions, their historical development, current use and potential directions of further development. The basic aerodynamic principles influencing the airflow around the wing, the formation of vortex flow and the possibilities of its minimization by means of a suitable shape of the wingtip are described. Based on the analysis of different types of wingtips, ranging from simple fixed solutions to advanced active and mechanized concepts, the thesis proposes and evaluates the potential use of fixed, active and variable wingtips, as well as theoretical concepts of mechanization of current solutions and their application in practice. The final part of the thesis summarizes the knowledge gained, compares the advantages and limitations of the different wingtip solutions and outlines the perspectives for the future development of wing terminations. Thus conceived, the thesis provides not only an overview of current technologies, but also a proposal for an innovative solution with the potential to contribute to increasing the sustainability of future concepts.
  • Thumbnail Image
    Item
    Využitie pomocných stabilizačných plôch v civilnom letectve
    (University of Žilina, 2025) Mareš, Matej; Jackuliak, Jakub
    The implementation of technological innovations in civil aviation is essential for enhancing the efficiency of flight operations, safety, economic accessibility, and the overall attractiveness of commercial flights. One promising area of development is the application of stabilizing surfaces, specifically canard surfaces, which have historically been used primarily in military aviation technology. This study focuses on the conceptual design of implementing canard stabilizing surfaces on existing commercial aircraft, evaluating their benefits as well as analyzing the advantages and disadvantages of various other configuration solutions currently in use. In the practical part, a detailed analysis is conducted on the design of a stabilizing wing for the reference aircraft, the Airbus A320. This analysis includes analytical calculations of stabilizing characteristics and numerical flow simulations using the computational fluid dynamics (CFD) in the ANSYS FLUENT software environment. The results provide a quantitative assessment of the aerodynamic effects of applying stabilizing surfaces and their potential benefits for civil aviation.
  • Thumbnail Image
    Item
    Morphing wings of aircraft
    (University of Zilina, 2022) Jackuliak, Jakub; Bugaj, Martin
    Goal of the paper is to describe use of morphing wings on aircraft and their possible use to increase aerodynamic efficiency of aircraft. Paper is divided into two parts. First part focuses on design and material requirements of morphing wings as well as describes some of studied concepts. Second part compares studied concepts using gathered data and proposes possible combinations of concepts with goal of further increase of aerodynamic efficiency.