Aircraft Engineering and Aerospace Technology: Volume 91 Issue 2

Cold spraying and laser cladding as an alternative to electroplating processes

Jaroslaw Sienicki, Wojciech Zórawski, Adam Dworak, Piotr Koruba, Piotr Jurewicz, Jacek Reiner

The purpose of this paper is to propose cold spraying and laser cladding processes as alternatives to cadmium and chromium electroplating, respectively. There are many substances…

Experimental study of the solubility and diffusivity of CO2 and O2 in RP-3 jet fuel

Chaoyue Li, Shiyu Feng, Lei Shao, Jun Pan, Weihua Liu

This study aims to get the essential data of the solubility and diffusion coefficient of gas in jet fuel for appropriately designing a kind of on-board inert gas generation system.

Effect of scrubbing efficiency on fuel scrubbing inerting for aircraft fuel tanks

Lei Shao, Shiyu Feng, Chaoyue Li, Weihua Liu, Xuying Huang

This paper aims to improve the previous fuel scrubbing model and find out the relationship between bubble diameter and scrubbing efficiency (ƞ).

Application of computed tomography to hole expansion measurements

Wojciech Wronicz, Maciej Malicki

The purpose of this paper is to investigate a possibility of determination of the rivet hole expansion with the use of computed tomography (CT). This method offers several…

Multirotor UAV sensor fusion for precision landing

Michal Grzes, Maciej Slowik, Zdzisław Gosiewski

In relation to rapid development of possible applications of unmanned vehicles, new opportunities for their use are emerging. Among the most dynamic, we can distinguish package…

The mathematical model of UAV vertical take-off and landing

Marcin Chodnicki, Michal Mazur, Miroslaw Nowakowski, Grzegorz Kowaleczko

This paper aims to present a mathematical model of the dynamics of the unmanned aerial vehicle (UAV) vertical take-off and landing (VTOL). It will be used to develop control laws…

UAV application for precision agriculture

Rafal Perz, Kacper Wronowski

The purpose of this study is to show the potentials of a cost-effective unmanned aerial vehicles (UAV) system for agriculture industry. The current population growth rate is so…

Research and selection of MALE wing profile

Cezary Gorniak, Zdobyslaw Jan Goraj, Bartosz Olszanski

The purpose of this research is a preliminary selection of wing section, which would be the best suited for PW-100 – a MALE class UAV of 600 kg weight. PW-100 will be used as a…

Neutral component of the local interstellar medium

Wojciech Konior, Romana Ratkiewicz, Jan Kotlarz

This paper aims to review the current knowledge about the neutral component of the local interstellar medium (LISM), which due to the resonant charge exchange, photoionization and…

Developing the pilots’ load measuring system

Istvan Jankovics, Utku Kale

The main purpose of this study is to introduce the pilots’ load model and developed concept of load measuring system for operator load management.

Aircraft model for the automatic taxi directional control design

Mariusz Krawczyk, Cezary Jerzy Szczepanski, Albert Zajdel

This paper aims to present a concept of an automatic directional control system of remotely piloted aerial system (RPAS) during the taxiing phase. In particular, it shows the…

Passive control of cavity acoustics via the use of surface waviness at subsonic flow

Belkallouche Abderrahmane, Tahar Rezoug, Laurent Dala

Aircraft noise is dominant for residents near airports when planes fly at low altitudes such as during departure and landing. Flaps, wings, landing gear contribute significantly…

Fast identification of transonic buffet envelope using computational fluid dynamics

Jernej Drofelnik, Andrea Da Ronch, Matteo Franciolini, Andrea Crivellini

This paper aims to present a numerical method based on computational fluid dynamics that allows investigating the buffet envelope of reference equivalent wings at the equivalent…

Satellite angular motion classification for active on-orbit debris removal using robots

Karol Seweryn, Jurek Z. Sasiadek

This paper aims to present a novel method for identification and classification of rotational motion for uncontrolled satellites. These processes are shown in context of close…

Modeling of surface spectra with and without dust from Martian infrared data: new aspects

Natalia Ewa Zalewska, Maja Mroczkowska-Szerszeń, Joerg Fritz, Maria Błęcka

This paper aims to characterize the mineral composition of Martian surfaces based on Thermal Emission Spectrometer (TES; Mars Global Surveyor) as measured in the infrared thermal…

Numerical studies of active flow control on wing tip extension

Petr Vrchota, Ales Prachar, Shia-Hui Peng, Magnus Tormalm, Peter Eliasson

In the European project AFLoNext, active flow control (AFC) measures were adopted in the wing tip extension leading edge to suppress flow separation. It is expected that the…

Hybridization of training aircraft with real world flight profiles

Teresa Donateo, Roberto Totaro

The purpose of this paper is to analyze real-world flight data of a piston engine training aircraft collected from an internet-based radar service, along with wind data provided…

Conflict-resolution algorithms for RPAS in non-segregated airspace

Javier A. Pérez-Castán, Fernando Gómez Comendador, Álvaro Rodríguez-Sanz, Rosa M. Arnaldo Valdés, Jaime Torrecilla

The purpose of this paper is to focus on the development of conflict-resolution algorithms between Remotely Piloted Aircraft System (RPAS) and conventional aircraft. The goal of…

Propulsion model for (hybrid) unmanned aircraft systems (UAS)

Julius Dahms, Andreas Bardenhagen

This paper deals with the estimation of the necessary masses of propulsion components for multirotor UAS. Originally, within the design process of multirotors, this is an…

Earth-to-space and high-speed “air” transportation: an aerospaceplane design

Nikolaos Kehayas

The purpose of this paper is to attempt an aerospaceplane design with the objective of Low-Earth-Orbit-and-Return-to-Earth (LEOARTE) under the constraints of safety, low cost…