Contra‐rotating propeller for fixed wing MAV: part 1

Jacek Mieloszyk (The Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, Warsaw, Poland)
Cezary Galiński (The Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, Warsaw, Poland)
Janusz Piechna (The Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, Warsaw, Poland)

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Publication date: 28 June 2013

Abstract

Purpose

This is the first of two companion papers presenting the results of research into a contra‐rotating propeller designed to drive a super manoeuvrable micro air vehicle (MAV). The purpose of this first paper is to describe the design process and numerical analyses. The second paper is devoted to the experimental results verifying the computations.

Design/methodology/approach

Software based on the analytical formulas derived by Theodore Theodorsen was used in the design procedure. Three‐dimensional finite‐volume simulation, performed with the use of commercial software verified the results. Finally, two‐dimensional simulation was conducted to explore the effect of the propeller‐wing interaction. The meshes applied in these analyses are described.

Findings

Propeller geometry received as a result of the design procedure is presented. The computation results for different turbulence models applied are discussed. Time dependent characteristics of contra‐rotating propeller are presented as well as conclusions regarding propeller‐wing interaction.

Research limitations/implications

Propeller was designed for a fixed wing aeroplane, not for helicopter rotor. Therefore, conditions characteristic for fixed wing aeroplane flight are analysed only. Reynolds numbers below 50000 are considered.

Practical implications

Designed contra‐rotating propeller can be used in fixed wing aeroplane if torque equal to zero is required. Software based on the formulas derived by T. Theodorsen can be used to design the propellers.

Originality/value

Software applied in the design procedure was originally developed by one of authors although it is based on the formulas derived by T. Theodorsen. Contra‐rotating propeller simulation results for different turbulence models are discussed for the first time. Moreover, unique time dependent characteristics of contra‐rotating propeller are presented.

Keywords

Citation

Mieloszyk, J., Galiński, C. and Piechna, J. (2013), "Contra‐rotating propeller for fixed wing MAV: part 1", Aircraft Engineering and Aerospace Technology, Vol. 85 No. 4, pp. 304-315. https://doi.org/10.1108/AEAT-Jan-2012-0008

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Publisher

:

Emerald Group Publishing Limited

Copyright © 2013, Emerald Group Publishing Limited

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