2016
DOI: 10.3390/aerospace3040032
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An Empirical Study of Overlapping Rotor Interference for a Small Unmanned Aircraft Propulsion System

Abstract: Abstract:The majority of research into full-sized helicopter overlapping propulsion systems involves co-axial setups (fully overlapped). Partially overlapping rotor setups (tandem, multirotor) have received less attention, and empirical data produced over the years is limited. The increase in demand for compact small unmanned aircraft has exposed the need for empirical investigations of overlapping propulsion systems at a small scale (Reynolds Number < 250,000). Rotor-to-rotor interference at the static state … Show more

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Cited by 36 publications
(30 citation statements)
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“…The estimated pitching moment at a h slant of 20 was lower than that of measured value. The effect of pitching moment reduction was smaller compared with the estimated values for h slant greater than 10 .…”
Section: Discussionmentioning
confidence: 65%
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“…The estimated pitching moment at a h slant of 20 was lower than that of measured value. The effect of pitching moment reduction was smaller compared with the estimated values for h slant greater than 10 .…”
Section: Discussionmentioning
confidence: 65%
“…It was verified in the experiment that rotor tilting by 20 to the outer side degrades the moment by 0.18 NÁm, which was 26% of the moment for a quad-rotor UAV with parallel rotors at an AOA of 90…”
Section: Discussionmentioning
confidence: 89%
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