Empirical measurements of small unmanned aerial vehicle co-axial rotor systems.
Article
Prior, S. and Bell, J. 2011. Empirical measurements of small unmanned aerial vehicle co-axial rotor systems. Journal of Science and Innovation. 1 (1), pp. 1-18.
Type | Article |
---|---|
Title | Empirical measurements of small unmanned aerial vehicle co-axial rotor systems. |
Authors | Prior, S. and Bell, J. |
Abstract | Small unmanned aerial vehicles (SUAV) are beginning to dominate the area of intelligence, surveillance, target acquisition and reconnaissance (ISTAR) in forward operating battlefield scenarios. Of particular interest are vertical take-off and landing (VTOL) variants. Within this category co-axial rotor designs have been adopted due to their inherent advantages of size and power to weight ratio. The inter-rotor spacing attribute of a co-axial rotor system appears to offer insight into the optimum design characteristic. The H/D ratio has been cited as a significant factor in many research papers, but to date has lacked an empirical value or an optimal dimensionless condition. In this paper the H/D ratio of a SUAV has been explored thoroughly, reviewing the performance of these systems at incremental stages, the findings from this study have shown that a range of H/D ratios in the region of (0.41-0.65) is advantageous in the performance of SUAV systems. This finding lends itself to the theory of inter-rotor spacing as a non-dimensionally similar figure, which cannot be applied across a spectrum of systems; this could be attributed to the viscous losses of flight at low Reynolds Numbers (< 50,000). |
Publisher | Taiwan Institute of Knowledge Innovation |
Journal | Journal of Science and Innovation |
ISSN | 2078-5453 |
Publication dates | |
25 Jan 2011 | |
Publication process dates | |
Deposited | 27 Jan 2011 |
Output status | Published |
Publisher's version | License |
Copyright Statement | Open access journal |
Additional information | Dr. Vincent, L.W. Ji, Executive Editor, Journal of Science and Innovation. |
Language | English |
https://repository.mdx.ac.uk/item/8317z
Download files
29
total views5
total downloads0
views this month0
downloads this month