| Autors: Panayotov, F. K., Dobrev I., Massouh F., Todrov, M. D. Title: Numerical Model for Rapid Computation of the Flow-Field of a Rotor in Hover Keywords: helical wake, helicopter rotor, hover, induced velocity, sem Abstract: In the present article, the authors are performing a comparison study between two vortex models for the rapid numerical computation of the static thrust of a helicopter rotor in hover. The aim of this study is to access the rapidity and accuracy of a vortex model, comprised of a series of vortex rings and a single semi-infinite vortex cylinder, compared to a helical wake model with straight-line segmentation. Studies are performed for the optimal number of vortex elements, as well as for their optimal positioning, in order to provide both fast computation and good agreement with the experimental data obtained from a wind tunnel test of a model rotor. The studied vortex model is shown to significantly reduce the amount of computational time required to evaluate the performance of the model rotor, when compared to the helical wake model, while offering a similar degree of accuracy. © 2017 IEEE. References Issue
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Цитирания (Citation/s):
1. V. Serbezov, S. Dimitrov, K.Rangelov, Mobile test stand for evaluation of electric power plants for unmanned aircraft, MATEC Web of Conferences 133, 01006 (2017), BulTrans-2017, (index SCOPUS) - 2017 - в издания, индексирани в Scopus или Web of Science
2. J. Hnidka and D. Rozehnal, Calculation of the maximum endurance of a small unmanned aerial vehicle in a hover, IOP Conference Series: Materials Science and Engineering, 2019 IOP Conf. Ser.: Mater. Sci. Eng.664 012002 (index SCOPUS) - 2019 - в издания, индексирани в Scopus или Web of Science
3. J Hnidka, D Rozehnal, K Maňas, Optimization of SUAV’s propeller in a hover, MATEC Web of Conferences 313, 00045 (2020) - 2020 - от чужди автори в чужди издания, неиндексирани в Scopus или Web of Science
Вид: публикация в международен форум, публикация в реферирано издание, индексирана в Scopus
