Most scientists who create models trying to understand the mechanics and aerodynamics of insect flight have assumed that insect wings are relatively rigid as they flap.
General Physics
Jun 29, 2009
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Researchers from University of Tsukuba investigated the propulsion mechanism by visualizing water flow around a swimmer during underwater dolphin-kick swimming in a water channel via particle image velocimetry. Their findings ...
General Physics
Mar 12, 2024
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New 3-D visualizations that reveal how flames respond to electric fields could help improve combustion efficiency and reduce pollution.
Materials Science
Sep 12, 2017
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Bats catch food 'on the wing' without touching the ground, but how do they do it? A new study by Per Henningsson at Lund University, Sweden is the first of its kind to analyse the aerodynamics of bats performing manoeuvers ...
Plants & Animals
Jul 5, 2017
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Engineers at NASA's Langley Research Center in Hampton, Virginia, used lasers inside the 14- by 22-Foot Subsonic Tunnel to map how air flows over a Boeing Blended Wing Body (BWB) model – a greener, quieter airplane design ...
Engineering
Oct 14, 2016
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7
River beds, where flowing water meets silt, sand and gravel, are critical ecological zones. Yet how water flows in a river with a gravel bed is very different from the traditional model of a sandy river bed, according to ...
Environment
Oct 16, 2014
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For 60 years the world has believed that dolphins did not have enough muscle to propel them at high speed and that they were resorting to some fluid-flow trickery to pull off their impressive performance. But Frank Fish from ...
Plants & Animals
Jan 15, 2014
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(Phys.org)—Ever since the Wright brothers, engineers have been working to develop bigger and better flying machines that maximize lift while minimizing drag.
Engineering
Dec 13, 2012
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Pavlos Vlachos, associate professor of mechanical engineering at Virginia Tech, working with two engineers from Utah State University, has won the Lewis F. Moody Award for an outstanding original paper useful to the practice ...
Engineering
Feb 15, 2011
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(PhysOrg.com) -- "Smooth" and "quiet" are two words not usually associated with a helicopter ride, but NASA is working to change that. A full-size UH-60A Blackhawk helicopter rotor was the subject of tests the agency's Subsonic ...
Engineering
Jun 7, 2010
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