دورية أكاديمية
Sunlight-powered sustained flight of an ultralight micro aerial vehicle.
| العنوان: | Sunlight-powered sustained flight of an ultralight micro aerial vehicle. |
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| المؤلفون: | Shen W; School of Energy and Power Engineering, Beihang University, Beijing, China., Peng J; School of Energy and Power Engineering, Beihang University, Beijing, China., Ma R; School of Energy and Power Engineering, Beihang University, Beijing, China., Wu J; School of Energy and Power Engineering, Beihang University, Beijing, China., Li J; School of Energy and Power Engineering, Beihang University, Beijing, China., Liu Z; School of Energy and Power Engineering, Beihang University, Beijing, China.; Collaborative Innovation Center of Advanced Aero-Engine, Beijing, China.; National Key Laboratory of Science and Technology on Aero-Engine Aero-Thermodynamics, Beijing, China.; Beijing Key Laboratory of Aero-Engine Structure and Strength, Beijing, China., Leng J; Collaborative Innovation Center of Advanced Aero-Engine, Beijing, China., Yan X; School of Energy and Power Engineering, Beihang University, Beijing, China. yanxiaojun@buaa.edu.cn.; Collaborative Innovation Center of Advanced Aero-Engine, Beijing, China. yanxiaojun@buaa.edu.cn.; National Key Laboratory of Science and Technology on Aero-Engine Aero-Thermodynamics, Beijing, China. yanxiaojun@buaa.edu.cn.; Beijing Key Laboratory of Aero-Engine Structure and Strength, Beijing, China. yanxiaojun@buaa.edu.cn., Qi M; School of Energy and Power Engineering, Beihang University, Beijing, China. qimingjing@buaa.edu.cn.; Collaborative Innovation Center of Advanced Aero-Engine, Beijing, China. qimingjing@buaa.edu.cn.; National Key Laboratory of Science and Technology on Aero-Engine Aero-Thermodynamics, Beijing, China. qimingjing@buaa.edu.cn.; Beijing Key Laboratory of Aero-Engine Structure and Strength, Beijing, China. qimingjing@buaa.edu.cn. |
| المصدر: | Nature [Nature] 2024 Jul; Vol. 631 (8021), pp. 537-543. Date of Electronic Publication: 2024 Jul 17. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Nature Publishing Group Country of Publication: England NLM ID: 0410462 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1476-4687 (Electronic) Linking ISSN: 00280836 NLM ISO Abbreviation: Nature Subsets: MEDLINE |
| أسماء مطبوعة: | Publication: Basingstoke : Nature Publishing Group Original Publication: London, Macmillan Journals ltd. |
| مواضيع طبية MeSH: | Sunlight* , Aircraft*/instrumentation, Animals ; Time Factors ; Equipment Design |
| مستخلص: | Limited flight duration is a considerable obstacle to the widespread application of micro aerial vehicles (MAVs) 1-3 , especially for ultralightweight MAVs weighing less than 10 g, which, in general, have a flight endurance of no more than 10 min (refs. 1,4 ). Sunlight power 5-7 is a potential alternative to improve the endurance of ultralight MAVs, but owing to the restricted payload capacity of the vehicle and low lift-to-power efficiency of traditional propulsion systems, previous studies have not achieved untethered sustained flight of MAVs fully powered by natural sunlight 8,9 . Here, to address these challenges, we introduce the CoulombFly, an electrostatic flyer consisting of an electrostatic-driven propulsion system with a high lift-to-power efficiency of 30.7 g W - 1 and an ultralight kilovolt power system with a low power consumption of 0.568 W, to realize solar-powered sustained flight of an MAV under natural sunlight conditions (920 W m - 2 ). The vehicle's total mass is only 4.21 g, within 1/600 of the existing lightest sunlight-powered aerial vehicle 6 . (© 2024. The Author(s), under exclusive licence to Springer Nature Limited.) |
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| تواريخ الأحداث: | Date Created: 20240717 Date Completed: 20240717 Latest Revision: 20240717 |
| رمز التحديث: | 20240718 |
| DOI: | 10.1038/s41586-024-07609-4 |
| PMID: | 39020037 |
| قاعدة البيانات: | MEDLINE |
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Full Text Finder | تدمد: | 1476-4687 |
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| DOI: | 10.1038/s41586-024-07609-4 |