Aerodynamic Analysis of Rotor Spacing and Attitude Transition in Tilt-Powered Coaxial Rotor UAV.

Sensors (Basel) · 2024 · PMC11598316 · PMID 39598893

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an increasing trendno p-value reported

In an analysis of Figure 7 a, it can be seen that when the spacing ratio h/R is increased from 0.2 to 0.5, the rotor lift shows an increasing trend.

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a decreasing trendno p-value reported

When the tilt angle increases from δ = 9° to δ = 13°, the velocity distribution at the blade shows a decreasing trend.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.