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Mechanizmy oszczędzania energii przez migrujące gęsi kanadyjskie
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ISBN10: 6208974763
ISBN13: 9786208974763
Publisher: Wydawnictwo Nasza Wiedza
Published: Jun 18 2025
Pages: 52
Weight: 0.18
Height: 0.12 Width: 6.00 Depth: 9.00
Language: Polish
ISBN13: 9786208974763
Publisher: Wydawnictwo Nasza Wiedza
Published: Jun 18 2025
Pages: 52
Weight: 0.18
Height: 0.12 Width: 6.00 Depth: 9.00
Language: Polish
Oszacowaliśmy mechanizm lotu z machaniem skrzydlami gęsi kanadyjskiej, wykorzystując model ramienia z dwoma przegubami w niestabilnych warunkach aerodynamicznych, aby zbadac, ile energii można zaoszczędzic podczas migracji. Na podstawie rozkladu prędkości i ciśnienia na skrzydle ustaliliśmy, że gęś może zaoszczędzic okolo 15% energii dzięki zmniejszeniu oporu powietrza wynikającemu ze zmiany morfologii skrzydla. Na podstawie pola przeplywu powietrza w strumieniu powietrza za skrzydlem ustaliliśmy, że gęś lecąca za inną gęsią może zaoszczędzic okolo 16% energii, wykorzystując silę indukowaną przez parę trójwymiarowych wirów indukowanych przez trzepot skrzydel (FAV) w formacji V. Obliczyliśmy, że optymalna glębokośc wynosi okolo 4 m od końcówki skrzydla gęsi przed nami, a optymalna wartośc WTS wynosi od 0 do -0,40 m w przekroju poprzecznym. Różnicę faz machania skrzydlami gęsi przed nami i za nami oszacowano na okolo 90,7 , co pozwala efektywnie wykorzystac korzyści aerodynamiczne wynikające z FAV. Nasze wyniki pokazują, że wykorzystanie niestabilnego mechanizmu aerodynamicznego w locie migracyjnym z machaniem skrzydlami nie jest ograniczone do dużych i ciężkich ptaków o dużej prędkości machania, ale może byc również zastosowane w mini lub mikro pojazdach powietrznych (MAV), takich jak latające pojazdy szpiegowskie.
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