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올빼미는 어떻게 소리 내지 않고 날 수 있을까?

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올빼미는 어떻게 소리 내지 않고 날 수 있을까? Analytics Table

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비둘기가 날아오를 때는 ‘푸드덕’ 소리를 내고, 작은 파리도 날 때는 ‘윙윙’ 소리를 냅니다. 그런데 올빼미는 날갯짓을 하면서도 거의 소리 없이 날 수 있습니다. 몸집이 훨씬 큰 올빼미는 어떻게 이렇게 조용히 날 수 있을까요? 날개와 깃털에 숨은 비밀을 알아봤습니다. - 사물궁이 유튜브 채널 구독 : https://youtube.com/@사물궁이 - 사물궁이 시리즈 정주행 : https://youtube.com/playlist?list=PLs8vi5Jd35y55jcjDHMWIXfWjl206sSSF - 궁금증 제보 : https://forms.gle/xT6HQEpVTYbfe9EY8 - E-Mail : [email protected] ※ 참고자료·논문자료·자문 등 도움 - 원고 : 송현수 과학 분야 작가, 저서 : 『청소의 과학』 등 - Landell-Mills, N. "Dynamic soaring explained by Newtonian physics." Pre-Print DOI 10 (2019). - Jaworski, Justin W., and Nigel Peake. "Aeroacoustics of silent owl flight." Annual Review of Fluid Mechanics 52.1 (2020): 395-420. - Uppu, Shiva Prasad, and Naren Shankar Radha Krishnan. "Turbulent airflows over serrated wings: a review on experimental and numerical analysis." J Adv Res Fluid Mech Therm Sci 109.1 (2023): 27-40. - Islam, Suprabha, and Sifat Ullah Tanzil. "The effect of leading-edge serration at owl wing feathers on flow induced noise generation." AIP Conference Proceedings. Vol. 2121. No. 1. AIP Publishing LLC, 2019. - Rong, Jiaxin, and Hao Liu. "Effects of owl-inspired leading-edge serrations on tandem wing aeroacoustics." AIP Advances 12.11 (2022). - Jaworski, Justin, and Nigel Peake. "Vortex noise reductions from a flexible fiber model of owl down." APS Division of Fluid Dynamics Meeting Abstracts. 2013. - Wei, Zixiao, et al. "Towards silent and efficient flight by combining bioinspired owl feather serrations with cicada wing geometry." Nature Communications 15.1 (2024): 4337. ▪ 배경음악 : After the Soft Rains - South London HiFi : Cartoon Bank Heist (Sting) - Doug Maxwell/Media Right Productions : Gunpowder Tea - Mini Vandals ▪ 애니메이션 감독 : Studio S ▪ 음향효과 : 상업적 목적으로 이용할 수 있는 공정자료 이용 및 자체제작 ▪ 기타 사진·영상 : 상업적 목적으로 이용할 수 있는 사진과 영상 이용 #사물궁이 #궁금증 #호기심 #과학 #올빼미날개 #올빼미비행 #동물 #올빼미 #무음비행 #깃털 #생체모방 Copyright. 사물궁이 잡학지식. All rights reserved

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