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Fluids
Special Issues
Aerodynamics and Design of Fixed Wing UAVs
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Aerodynamics and Design of Fixed Wing UAVs

A special issue of Fluids (ISSN 2311-5521). This special issue belongs to the section "Mathematical and Computational Fluid Mechanics".

Deadline for manuscript submissions: closed (30 April 2021) | Viewed by 3560

Special Issue Editor

Prof. Dr. Kyros Yakinthos

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Laboratory of Fluid Mechanics and Turbomachinery, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
Interests: computational fluid dynamics; turbulence modeling; transitional boundary layers; active flow control on wings; waste heat management technologies for aeroengines; innovative aeroengine thermodynamic cycles; UAV design and development
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Fixed-wing unmanned aerial vehicles (UAVs) is a rapid advancing technology in the field of aerospace in the 21st century. Every day hundreds of fixed-wing UAVs operate in the skies, performing various types of missions, such as surveillance, security, and search and rescue. Due to this wide variety in mission type, different layouts and configurations of UAVs exist, leading to different design and performance challenges mainly related to aerodynamics, aircraft design, flight performance, and flight dynamics, supported by technologies related to passive and active local flow control, laminar airfoils, and lightweight constructions, among others.

This Special Issue of Fluids is dedicated to the recent advances in the aforementioned scientific and technology fields, where researchers will be able to publish their work in order to provide new and innovative knowledge for the design and testing of UAVs, which will potentially lead to the designers’ target of maximizing flight endurance and optimized overall performance.

Prof. Dr. Kyros Yakinthos
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Fluids is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • fixed-wing UAVs
  • applied aerodynamics
  • layout design
  • lightweight materials
  • flight dynamics and control
  • laboratory and field testing
  • computational modeling
  • passive and active flow control techniques

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Published Papers (1 paper)

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Research

19 pages, 3040 KiB  
Article
A Mathematical Model for a Conceptual Design and Analyses of UAV Stabilization Systems
by Vadim Kramar, Aleksey Kabanov and Sergey Dudnikov
Fluids 2021, 6(5), 172; https://doi.org/10.3390/fluids6050172 - 26 Apr 2021
Cited by 3 | Viewed by 2748
Abstract
This article considers the principle of constructing mathematical models of functionally complex multidimensional multiloop continuous–discrete UAV stabilization systems. This is based on the proposal for constructing a mathematical model based on the class of the considered complexity of the stabilization system-multidimensionality, multi-rating, and [...] Read more.
This article considers the principle of constructing mathematical models of functionally complex multidimensional multiloop continuous–discrete UAV stabilization systems. This is based on the proposal for constructing a mathematical model based on the class of the considered complexity of the stabilization system-multidimensionality, multi-rating, and elasticity. Multiloop (multidimensional) UAV stabilization systems are often characterized by the control of several interconnected state elements and the existence of several channels for the propagation of signals and mutual connections between individual objects. This is due to the need not only to take into account the numerous disturbing factors (for example, wind) acting on the control object as well as the need to use several points of application of control actions. Additionally, an important point is the possible separation of the mutual influence of the roll and yaw channels of the UAV on its synthesis and analysis. For this purpose, a mathematical model has been constructed using a description in the form of transfer functions, and therefore, in the form of structural diagrams. The principle of obtaining transfer functions is shown to demonstrate additional dynamic constraints introduced by elastic deformations into the stabilization loop through gyroscopic devices and accelerometers. This will make it possible to formulate a methodology for analyzing the influence of aeroelastic constraints on the stabilization loop, which will allow developing approaches to formulate requirements for the effective placement of gyroscopes and accelerometers on the UAV. The proposed approach allows creating a complete system of analysis and synthesis tools for complex multidimensional continuous–discrete UAV stabilization systems. Full article
(This article belongs to the Special Issue Aerodynamics and Design of Fixed Wing UAVs)
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