Science, Space and Technology News 2024
Danish researchers developed a universal equation that predicts the wingbeat and fin stroke frequencies of various animals using body mass and wing area. Credit: SciTechDaily.com
In their study, the researchers used dimensional analysis to calculate an equation that describes the frequency of wingbeats of flying birds, insects, and bats, and the fin strokes of diving animals, including penguins and whales.The researchers found that flying and diving animals beat their wings or fins at a frequency that is proportional to the square root of their body mass, divided by their wing area.
Additionally, the researchers demonstrated how their equation could provide insights into the wingbeat frequency of extinct species. Using their equation, the researchers estimated that the extinct pterosaur Quetzalcoatlus northropi, the largest known flying animal, beat its 10-meter-square wings at a frequency of 0.7 hertz.
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